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E39 (1997 - 2003)
The BMW 5-Series (E39 chassis) was introduced in the United States as a 1997 model year car and lasted until the 2004 when the E60 chassis was released. The United States saw several variations including the 525i, 528i, 530i and 540i. -- View the E39 Wiki

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  #1  
Old 02-17-2010, 07:21 AM
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bluebee bluebee is offline
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It would be interesting to post smog emission results for our E39s (for comparison)

It would be interesting to post state smog emission test results for our E39s (for comparison among us).

Who know what we'll learn from this ... I'll start.

Below are my emissions test results (long story here) on my 2002 E39.

What I learned is that it makes NO difference (for emissions tests) whether you use 87AKI or 91AKI California-specific fuel (actually, the 91AKI results are slightly worse but not statistically so).

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  #2  
Old 02-17-2010, 07:28 PM
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bmw_n00b13 bmw_n00b13 is offline
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I didn't think I had mine still, but I found it. This was done by the used car dealer I bought from. It was running on fumes when I bought it, and I'm betting it was 87 octane.

Note to Admins-BBCode Tables aren't working!

approx 145,000km on a M52TU no VANOS repair.















ASM 2525 (40km/h)
Test Reading Limit
HC ppm 5 55
CO % 0.01 0.31
NO ppm 36 0408
RPM1769VALID
Dilution>14.61VALID














Curb Idle Tailpipe Emissions
Test Reading Limit
HC ppm 6 150
CO % 0.0 0.7
RPM731VALID
Dilution>14.70VALID
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Mods: Stoptech SS brake hose, 280piece toolkit resting on trunk floor, Beisan VANOS seals
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Last edited by bmw_n00b13; 02-17-2010 at 07:39 PM. Reason: Tables fail.
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  #3  
Old 02-18-2010, 05:26 AM
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Interesting.

Comparing only what I can match:
--------------------------------------
HYDROCARBONS:
at idle: bmw_n00b13: 6 ppm (limit = 150 ppm)
15mph: bluebee: 0 ppm (limit=52, avg=4)

25mph: bmw_n00b13: 5 ppm (limit = 55 ppm)
25mph: bluebee: 0 ppm (limit=36, avg=4)
--------------------------------------
Carbon Monoxide:
at idle: bmw_n00b13: 0% (limit = 0.70%)
15mph: bluebee: 0% (limit = 0.49%)

25mph: bmw_n00b13: .01% (limit = 0.31%)
25mph: bluebee: 0% (limit = 0.46%)
--------------------------------------
Nitrogen Oxides:
25mph: bmw_n00b13: 36 ppm (limit = 408 ppm)
25mph: bluebee: 25 ppm (limit=711, avg=18)
--------------------------------------
PS: I don't know how to do tables but this belongs in a tabular format.

Last edited by bluebee; 02-18-2010 at 05:28 AM.
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  #4  
Old 08-24-2010, 01:48 AM
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Looks like few have taken us up on the offer to collect emissions data on our E39s.

Here's a thread from today that comes from the UK.

Here's the combined data so far:
--------------------------------------
- Canada (bmw_n00b13), 1999, 528iA
- Northern California (bluebee), 2002 525i, 87 AKI (just after rebuilding the ABS control module)
- Northern California (bluebee), 2002 525i, 91 AKI (after clearing P0500 code & driving for two weeks)
- Southern California (Gian), 2002 530i
- Southern California (bugratu), 1997 528i
- Southern California (bugratu), 1997 528i (after adding CRC "Guaranteed to Pass Smog Test", plugs, engine air filter)
- Southern California (+moulin), 2002 530i 5-spd 105K
- UK (dunk1127), year? 540i
--------------------------------------
HYDROCARBONS:
- at idle: bmw_n00b13: 6 ppm (limit = 150 ppm) PASS
- 15mph (2400 rpm): bluebee: 0 ppm (limit = 52 ppm, avg = 4 ppm), 87AKI, PASS
- 15mph (2445 rpm): bluebee: 9 ppm (limit = 52 ppm, avg = 4 ppm), 91AKI (worse than 87AKI), PASS
- 15mph (1757 rpm): gian: 1 ppm (limit = 51 ppm, avg = 4 ppm), PASS
- 15mph (1784 rpm): bugratu: 58 ppm (limit = 51 ppm, avg = 9 ppm) FAIL
- 15mph (1798 rpm): bugratu: 90 ppm (limit = 51 ppm, avg = 9 ppm) FAIL
- 15mph (1540 rpm): +moulin: 0 ppm (limit = 51 ppm, avg = 4 ppm), PASS
- fast idle: dunk1127: 42 (limit = 200 ppm), PASS

- 25mph: bmw_n00b13: 5 ppm (limit = 55 ppm), PASS
- 25mph (2400 rpm): bluebee: 0 ppm (limit = 36 ppm, avg = 4 ppm), 87AKI, PASS
- 25mph (2393 rpm): bluebee: 2 ppm (limit = 36 ppm, avg = 4 ppm), 91AKI (worse than 87AKI), PASS
- 25mph (1279 rpm): gian: 1 ppm (limit = 35 ppm, avg = 4 ppm), PASS
- 25mph (1718 rpm): bugratu: 34 ppm (limit = 35 ppm, avg = 7 ppm), PASS
- 25mph (1767 rpm): bugratu: 35 ppm (limit = 35 ppm, avg = 7 ppm), PASS
- 25mph (1717 rpm): +moulin: 0 ppm (limit = 35 ppm, avg = 4 ppm), PASS
- 2nd fast idle: dunk1127: 83 ppm, PASS
--------------------------------------
Carbon Monoxide:
- at idle: bmw_n00b13: 0% (limit = 0.70%), PASS
- 15mph (2400 rpm): bluebee: 0.00% (limit = 0.49%, avg = 0.01%), 87AKI, PASS
- 15mph (2445 rpm): bluebee: 0.01% (limit = 0.49%, avg = 0.01%), 97AKI (worse than 87AKI), PASS
- 15mph (1757 rpm): gian: 0.01% (limit = 0.48%, avg = 0.01%), PASS
- 15mph (1784 rpm): bugratu: 0.14% (limit = 0.48%, avg = 0.02%), PASS
- 15mph (1798 rpm): bugratu: 0.28% (limit = 0.48%, avg = 0.02%), PASS
- 15mph (1540 rpm): +moulin: 0.00% (limit = 0.48%, avg = 0.01%), PASS
- at idle: dunk1127: 0.468%, FAIL

- 25mph: bmw_n00b13: .01% (limit = 0.31%), PASS
- 25mph (2400 rpm): bluebee: 0.00% (limit = 0.46%, avg = 0.01%), 87AKI, PASS
- 25mph (2393 rpm): bluebee: 0.01% (limit = 0.46%, avg = 0.01%), 97AKI (worse than 87AKI), PASS
- 25mph (1279 rpm): gian: 0.01% (limit = 0.46%, avg = 0.01%), PASS
- 25mph (1718 rpm): bugratu: 0.14% (limit = 0.46%, avg = 0.03%), PASS
- 25mph (1767 rpm): bugratu: 0.07% (limit = 0.46%, avg = 0.03%), PASS
- 25mph (1717 rpm): +moulin: 0.00% (limit = 0.46%, avg = 0.01%), PASS
- fast idle: dunk1127: 0.627% (limit = 0.200%) FAIL (2nd fast idle: dunk1127: 0.467%.... another FAIL)
--------------------------------------
Carbon Dioxide:
- at idle: bmw_n00b13: ?
- 15mph (2400 rpm): bluebee: 15.0% (no limit provided), 87AKI
- 15mph (2445 rpm): bluebee: 15.1% (no limit provided), 91AKI (worse than 87AKI)
- 15mph (1757 rpm): gian: 14.9% (no limit provided)
- 15mph (1784 rpm): bugratu: 14.88% (no limit provided)
- 15mph (1798 rpm): bugratu: 14.4% (no limit provided)
- 15mph (1540 rpm): +moulin: 15.0% (no limit provided)
- at idle: dunk1127: ?

- 25mph: bmw_n00b13: ?
- 25mph (2400 rpm): bluebee: 15.0% (no limit provided), 87AKI
- 25mph (2393 rpm): bluebee: 15.1% (no limit provided), 91AKI (worse than 87AKI)
- 25mph (1279 rpm): gian: 14.9% (no limit provided)
- 25mph (1718 rpm): bugratu: 14.90% (no limit provided)
- 25mph (1767 rpm): bugratu: 14.5% (no limit provided)
- 25mph (1717 rpm): +moulin: 15.0% (no limit provided)
- fast idle: dunk1127: ?
--------------------------------------
Nitrogen Oxides:
- 15 mph: bmw_n00b13: untested
- 15mph (2400 rpm): bluebee: 21 ppm (limit = 424 ppm, avg = 16 ppm), 87AKI, PASS
- 15mph (2445 rpm): bluebee: 53 ppm (limit = 424 ppm, avg = 16 ppm), 91AKI (worse than 87AKI), PASS
- 15mph (1757 rpm): gian: 14 ppm (limit = 419 ppm, avg = 16 ppm), PASS
- 15mph (1784 rpm): bugratu: 354 ppm (limit = 419 ppm, avg = 57 ppm), PASS
- 15mph (1798 rpm): bugratu: 161 ppm (limit = 419 ppm, avg = 57 ppm), PASS
- 15mph (1540 rpm): +moulin: 3 ppm (limit = 419 ppm, avg = 16 ppm), PASS
- idle: dunk1127: not tested

- 25mph: bmw_n00b13: 36 ppm (limit = 408 ppm), PASS
- 25mph (2400 rpm): bluebee: 25 ppm (limit = 711 ppm, avg = 18 ppm), 87AKI, PASS
- 25mph (2393 rpm): bluebee: 63 ppm (limit = 711 ppm, avg = 18 ppm), 91AKI (worse than 87AKI), PASS
- 25mph (1279 rpm): gian: 1 ppm (limit = 706 ppm, avg = 18 ppm), PASS
- 25mph (1718 rpm): bugratu: 72 ppm (limit = 706 ppm, avg = 50 ppm), PASS
- 25mph (1767 rpm): bugratu: 0 ppm (limit = 706 ppm, avg = 50 ppm), PASS
- 25mph (1717 rpm): +moulin: 5 ppm (limit = 706 ppm, avg = 18 ppm), PASS
- fast idle: dunk1127: not tested
--------------------------------------
Oxygen:
- at idle: bmw_n00b13: no number provided
- 15mph (2400 rpm): bluebee: 0.0% (no limit provided), 87AKI
- 15mph (2445 rpm): bluebee: 0.0% (no limit provided), 91AKI
- 15mph (1757 rpm): gian: 0.0% (no limit provided)
- 15mph (1784 rpm): bugratu: 0.03% (no limit provided)
- 15mph (1798 rpm): bugratu: 0.0% (no limit provided)
- 15mph (1540 rpm): +moulin: 0.0% (no limit provided)
- fast idle: dunk1127: 1.028% (limit = 1.030%), PASS

- 25mph: bmw_n00b13: no number provided
- 25mph (2400 rpm): bluebee: 0.0% (no limit provided), 87AKI
- 25mph (2393 rpm): bluebee: 0.0% (no limit provided), 91AKI
- 25mph (1279 rpm): gian: 0.0% (no limit provided)
- 25mph (1718 rpm): bugratu: 0.02% (no limit provided)
- 25mph (1767 rpm): bugratu: 0.0% (no limit provided)
- 25mph (1717 rpm): +moulin: 0.0% (no limit provided)
- 2nd fast idle: dunk1127: lambda.. 1.040% (limit = 1.030%), PASS
--------------------------------------
Note: This list will be updated with new data coming in below for as long as the forum will allow us.

Last edited by bluebee; 10-14-2010 at 02:01 PM.
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  #5  
Old 09-14-2010, 05:18 AM
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It's too bad not many people have posted their smog results as we can learn from the HUGE differences between them (as shown with just 3 results above).

Anyway, California is pretty lenient when it comes to vehicle inspections (compared to places I've lived in the past).

Here's the California pseudo-3-part inspection procedure described.
- How to Pass the California Emissions Test. 3-Part Test

FYI, where I live, the bay area, is an "enhanced smog" area so our cars are driven on a dynamometer while being tested.
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  #6  
Old 09-14-2010, 08:06 AM
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I always use premium fuel.

Last edited by Gian; 09-14-2010 at 08:09 AM.
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  #7  
Old 09-14-2010, 07:18 PM
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Quote:
Originally Posted by Gian View Post
I always use premium fuel.
These are very interesting results. Thank you for posting. I updated the previous comparison (post #3) so that all four of us are accounted for (so far).
--------------------------------------
- Canada (bmw_n00b13)
- Northern California (bluebee)
- Southern California (Gian)
- UK (dunk1127)
--------------------------------------
Comparing just you (socal) and me (norcal), we find:
--------------------------------------
HYDROCARBONS:
- 15mph (2400 rpm): bluebee: 0 ppm (limit = 52 ppm, avg = 4 ppm)
- 15mph (1757 rpm): gian: 1 ppm (limit = 51 ppm, avg = 4 ppm)

- 25mph (2400 rpm): bluebee: 0 ppm (limit = 36 ppm, avg = 4 ppm)
- 25mph (1279 rpm): gian: 1 ppm (limit = 35 ppm, avg = 4 ppm)
--------------------------------------
Carbon Monoxide:
- 15mph (2400 rpm): bluebee: 0.00% (limit = 0.49%, avg = 0.01%)
- 15mph (1757 rpm): gian: 0.01% (limit = 0.48%, avg = 0.01%)

- 25mph (2400 rpm): bluebee: 0.00% (limit = 0.46%, avg = 0.01%)
- 25mph (1279 rpm): gian: 0.01% (limit = 0.46%, avg = 0.01%)
--------------------------------------
Carbon Dioxide:
- 15mph (2400 rpm): bluebee: 15.0% (limit = unknown)
- 15mph (1757 rpm): gian: 14.9% (limit = unknown)

- 25mph (2400 rpm): bluebee: 15.0% (limit = unknown)
- 25mph (1279 rpm): gian: 14.9% (limit =unknown)
--------------------------------------
Nitrogen Oxides:
- 15mph (2400 rpm): bluebee: 21 ppm (limit = 424 ppm, avg = 16 ppm)
- 15mph (1757 rpm): gian: 14 ppm (limit = 419 ppm, avg = 16 ppm)

- 25mph (2400 rpm): bluebee: 25 ppm (limit = 711 ppm, avg = 18 ppm)
- 25mph (1279 rpm): gian: 1 ppm (limit = 706 ppm, avg = 18 ppm)
--------------------------------------
Oxygen: (What is this? Is it the oxygen in the exhaust?)
- 15mph (2400 rpm): bluebee: 0.0% (no limit provided)
- 15mph (1757 rpm): gian: 0.0% (no limit provided)

- 25mph (2400 rpm): bluebee: 0.0% (no limit provided)
- 25mph (1279 rpm): gian: 0.0% (no limit provided)
--------------------------------------

It's interesting that your limits in southern california are a bit lower than mine in the Silicon Valley; yet the averages are the same (duh) and your numbers, for most part, are about the same except for the nitrogen oxides.

My nitrogen oxides are a LOT larger than yours; but both of us are an order of magnitude below the limit.
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Old 09-18-2010, 05:34 PM
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Inadvertently, we have another "customer" who posted California LA smog test results (from this fuel-injector cleaner thread) which I'll re-use in the figures above.

The point is to compare our E39's and the value will be for others who follow. Another point is to see WHAT things (octane ratings, fuel injector cleaners, etc.) affect smog test results.

So far, lower octane improved numbers only slightly (study of 1); and injector cleaner worsened numbers slightly (another study of 1).

The first image below is the first test Bugratu took in Los Angeles on his 1997 E39 528i; the second (worse) is AFTER adding:
- Bosch 7402 spark plugs
- Air Filter
- Guaranteed to Pass Smog Test (CRC) fuel injector cleaner


Last edited by bluebee; 09-18-2010 at 05:38 PM.
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  #9  
Old 09-18-2010, 06:06 PM
bugratu bugratu is offline
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Yes my results are horrible when compared to yours.But I do not understand how can a fluid make this great change?
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  #10  
Old 10-01-2010, 07:07 PM
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Quote:
Originally Posted by bugratu View Post
I do not understand how can a fluid make this great change?
Especially in the wrong direction!

What finally happened? What did you do to pass inspection ... and what were the numbers?
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  #11  
Old 10-14-2010, 12:16 PM
+moulin +moulin is offline
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One more SoCal data set

--------------------------------------
- Southern California (+moulin), 2002 530i 5-spd 105K
--------------------------------------
HYDROCARBONS:
- 15mph (1540 rpm): +moulin: 0 ppm (limit = 51 ppm, avg = 4 ppm), PASS
- 25mph (1717 rpm): +moulin: 0 ppm (limit = 35 ppm, avg = 4 ppm), PASS

--------------------------------------
Carbon Monoxide:
- 15mph (1540 rpm): +moulin: 0.00% (limit = 0.48%, avg = 0.01%), PASS
- 25mph (1717 rpm): +moulin: 0.00% (limit = 0.46%, avg = 0.01%), PASS
--------------------------------------
Carbon Dioxide:
- 15mph (1540 rpm): +moulin: 15.0% (no limit provided)
- 25mph (1717 rpm): +moulin: 15.0% (no limit provided)
--------------------------------------
Nitrogen Oxides:
- 15mph (1540 rpm): +moulin: 3 ppm (limit = 419 ppm, avg = 16 ppm), PASS
- 25mph (1717 rpm): +moulin: 5 ppm (limit = 706 ppm, avg = 18 ppm), PASS
--------------------------------------
Oxygen:
- 15mph (1540 rpm): +moulin: 0.0% (no limit provided)
- 25mph (1717 rpm): +moulin: 0.0% (no limit provided)

This was the test results I got when I purchased the car a couple of weeks ago. Looked pretty clean for an 8-year old car with 105k. Hopefully it will turn out to be a good purchase.

btw. the oxygen is indeed measured in the exhaust. It is an indication that your O2 sensors are working correctly to create the correct stoichiometric ratio of fuel and air for complete combustion.
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Old 01-10-2011, 08:27 PM
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For the record, here are some E36 smog test results.

1st test (drove 20 miles on freeway before taking test):
/////////// 15mph // 25mph
RPM ////// 1716 // 1698
CO (mea) 15.1 // 14.9
O2 (mea) 0.1 // 0.2
HC (max) 61 // 35
HC (mea) 26 // 19
CO (max) 0.34 // 0.47
CO (mea) 0.15 // 0.21
NO (max) 486 // 502
NO (mea) 626 // 658

2nd test (drove 7 miles on surface road at 45mph max before test, idle 5 mins):
/////////// 15mph // 25mph
RPM////// 1929 // 1781
CO (mea) 14.8 // 14.4
O2 (mea) 0.0 // 0.0
HC (max) 61 // 35
HC (mea) 3 // 1
CO (max) 0.34 // 0.47
CO (mea) 0.01 // 0.01
NO (max) 486 // 502
NO (mea) 909 // 617

3rd Test:
/////////// 15mph // 25mph
RPM////// 1942 // 1950
CO (mea) 14.9 // 14.8
O2 (mea) 0.0 // 0.0
HC (max) 61 // 35
HC (mea) 59 // 23
CO (max) 0.34 // 0.47
CO (mea) 0.20 // 0.10
NO (max) 486 // 502
NO (mea) 320 // 86
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  #13  
Old 01-23-2011, 11:04 PM
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bluebee bluebee is offline
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For the record, here is another E36 smog test result.

For some reason, this California emissions report looks different than the other California report (I'm not sure why), but, the information is provided so that others, who come to this thread later, have as much comparison information of like-cars as possible.

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  #14  
Old 01-29-2011, 10:45 AM
wolfman1998 wolfman1998 is offline
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Will a check engine light fail the smog test if it's only the cam shaft position fault (P1519)
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  #15  
Old 01-29-2011, 11:23 PM
lydspop lydspop is offline
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Wolfman, YES. Check engine light will almost always fail an emissions test.
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Old 01-30-2011, 08:11 AM
franka franka is offline
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Quote:
Originally Posted by lydspop View Post
Wolfman, YES. Check engine light will almost always fail an emissions test.
Check light will always fail the test, unless you know a shop to pay to overlook it.
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  #17  
Old 01-30-2011, 09:03 AM
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bmw_n00b13 bmw_n00b13 is offline
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Yes. They fail you if you have ABS malfunctioning (don't ask me how that's related to smog). However there's usually a provision limiting how much you can spend to repair the problem. Look into it.

Bluebee, perhaps the test looks odd because it's not an official inspection?
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  #18  
Old 01-30-2011, 11:38 AM
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To wolfman, not only will a SES light (almost?) always fail you (certainly in California), but notice the very first post where there was no check engine light but there was a fault code of P0500 wheel speed sensor - and the vehicle failed. (Note: Even though it says the MIL was lit, it most definitely was not; when I asked, they told me that MIL trigger in the CA smog test goes on for every fault code registered - whether or not your car registers it as a visible SES.)

Quote:
Originally Posted by bmw_n00b13 View Post
don't ask me how that's related to smog
Yup. I agree. When I asked how a P0500 wheel speed sensor malfunction (which I knew to be a red herring because I had tested the sensors), they told me at the inspection station that you fail in CA for any fault code whatsoever. I find that hard to believe - but certainly you'll fail for a P0500 because I did. I passed simply by clearing the code and driving the car a few miles. Cost me two inspection fees for that learning privilege.

Quote:
Originally Posted by bmw_n00b13 View Post
perhaps the test looks odd because it's not an official inspection?
Yea. I see that. They didn't do the 'standard' California test, apparently.
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  #19  
Old 02-05-2011, 12:26 PM
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Today, Ågent99 had to replace his DISA valve because he failed California smog with lean error codes. So I added his before & after results (he lives right next to me so our numbers & environmental part of the test on the dyno should be similar).
- System Too Lean Error Codes and Others

Here's the combined E39 smog data so far
(Note all California tests are with the rear wheels on a dynomometer):
--------------------------------------
- Northern California (bluebee), 2002 525i, 87 AKI (just after rebuilding the ABS control module)
- Northern California (bluebee), 2002 525i, 91 AKI (after clearing P0500 code & driving for two weeks)
- Northern California (Ågent99), unknown E39 (before and after replacing DISA valve which caused failed smog tests)
- Southern California (Gian), 2002 530i
- Southern California (bugratu), 1997 528i
- Southern California (bugratu), 1997 528i (after adding CRC "Guaranteed to Pass Smog Test", plugs, engine air filter)
- Southern California (+moulin), 2002 530i 5-spd 105K
- Canada (bmw_n00b13), 1999, 528iA
- UK (dunk1127), year? 540i
--------------------------------------
HYDROCARBONS:
- 15mph (2400 rpm): bluebee: 0 ppm (limit = 52 ppm, avg = 4 ppm), 87AKI, PASS
- 15mph (2445 rpm): bluebee: 9 ppm (limit = 52 ppm, avg = 4 ppm), 91AKI (worse than 87AKI), PASS
- 15mph (1570 rpm): Ågent99: 13 ppm (limit = 51 ppm, avg = 4 ppm), Bad DISA, PASS
- 15mph (1582 rpm): Ågent99: 3 ppm (limit = 51 ppm, avg = 4 ppm), New DISA, PASS
- 15mph (1757 rpm): gian: 1 ppm (limit = 51 ppm, avg = 4 ppm), PASS
- 15mph (1784 rpm): bugratu: 58 ppm (limit = 51 ppm, avg = 9 ppm) FAIL
- 15mph (1798 rpm): bugratu: 90 ppm (limit = 51 ppm, avg = 9 ppm) FAIL
- 15mph (1540 rpm): +moulin: 0 ppm (limit = 51 ppm, avg = 4 ppm), PASS
- at idle: bmw_n00b13: 6 ppm (limit = 150 ppm) PASS
- fast idle: dunk1127: 42 (limit = 200 ppm), PASS

- 25mph (2400 rpm): bluebee: 0 ppm (limit = 36 ppm, avg = 4 ppm), 87AKI, PASS
- 25mph (2393 rpm): bluebee: 2 ppm (limit = 36 ppm, avg = 4 ppm), 91AKI (worse than 87AKI), PASS
- 25mph (1706 rpm): Ågent99: 6 ppm (limit = 35 ppm, avg = 4 ppm), Bad DISA, PASS
- 25mph (1665 rpm): Ågent99: 1 ppm (limit = 35 ppm, avg = 4 ppm), New DISA, PASS
- 25mph (1279 rpm): gian: 1 ppm (limit = 35 ppm, avg = 4 ppm), PASS
- 25mph (1718 rpm): bugratu: 34 ppm (limit = 35 ppm, avg = 7 ppm), PASS
- 25mph (1767 rpm): bugratu: 35 ppm (limit = 35 ppm, avg = 7 ppm), PASS
- 25mph (1717 rpm): +moulin: 0 ppm (limit = 35 ppm, avg = 4 ppm), PASS
- at idle: bmw_n00b13: 6 ppm (limit = 150 ppm) PASS
- 2nd fast idle: dunk1127: 83 ppm, PASS
--------------------------------------
Carbon Monoxide:
- 15mph (2400 rpm): bluebee: 0.00% (limit = 0.49%, avg = 0.01%), 87AKI, PASS
- 15mph (2445 rpm): bluebee: 0.01% (limit = 0.49%, avg = 0.01%), 97AKI (worse than 87AKI), PASS
- 15mph (1570 rpm): Ågent99: 0.06% (limit = 0.48%, avg = 0.01%), Bad DISA, PASS
- 15mph (1582 rpm): Ågent99: 0.01% (limit = 0.48%, avg = 0.01%), Bad DISA, PASS
- 15mph (1757 rpm): gian: 0.01% (limit = 0.48%, avg = 0.01%), PASS
- 15mph (1784 rpm): bugratu: 0.14% (limit = 0.48%, avg = 0.02%), PASS
- 15mph (1798 rpm): bugratu: 0.28% (limit = 0.48%, avg = 0.02%), PASS
- 15mph (1540 rpm): +moulin: 0.00% (limit = 0.48%, avg = 0.01%), PASS
- at idle: bmw_n00b13: 0% (limit = 0.70%), PASS
- at idle: dunk1127: 0.468%, FAIL

- 25mph (2400 rpm): bluebee: 0.00% (limit = 0.46%, avg = 0.01%), 87AKI, PASS
- 25mph (2393 rpm): bluebee: 0.01% (limit = 0.46%, avg = 0.01%), 97AKI (worse than 87AKI), PASS
- 25mph (1706 rpm): Ågent99: 0.01% (limit = 0.46%, avg = 0.01%), Bad DISA, PASS
- 25mph (1665 rpm): Ågent99: 0.02% (limit = 0.46%, avg = 0.01%), New DISA, PASS
- 25mph (1279 rpm): gian: 0.01% (limit = 0.46%, avg = 0.01%), PASS
- 25mph (1718 rpm): bugratu: 0.14% (limit = 0.46%, avg = 0.03%), PASS
- 25mph (1767 rpm): bugratu: 0.07% (limit = 0.46%, avg = 0.03%), PASS
- 25mph (1717 rpm): +moulin: 0.00% (limit = 0.46%, avg = 0.01%), PASS
- 25mph: bmw_n00b13: .01% (limit = 0.31%), PASS
- fast idle: dunk1127: 0.627% (limit = 0.200%) FAIL (2nd fast idle: dunk1127: 0.467%.... another FAIL)
--------------------------------------
Nitrogen Oxides:
- 15mph (2400 rpm): bluebee: 21 ppm (limit = 424 ppm, avg = 16 ppm), 87AKI, PASS
- 15mph (2445 rpm): bluebee: 53 ppm (limit = 424 ppm, avg = 16 ppm), 91AKI (worse than 87AKI), PASS
- 15mph (1570 rpm): Ågent99: 4 ppm (limit = 419 ppm, avg = 16 ppm), Bad DISA, PASS
- 15mph (1582 rpm): Ågent99: 22 ppm (limit = 419 ppm, avg = 16 ppm), New DISA, PASS
- 15mph (1757 rpm): gian: 14 ppm (limit = 419 ppm, avg = 16 ppm), PASS
- 15mph (1784 rpm): bugratu: 354 ppm (limit = 419 ppm, avg = 57 ppm), PASS
- 15mph (1798 rpm): bugratu: 161 ppm (limit = 419 ppm, avg = 57 ppm), PASS
- 15mph (1540 rpm): +moulin: 3 ppm (limit = 419 ppm, avg = 16 ppm), PASS
- 15 mph: bmw_n00b13: untested
- idle: dunk1127: not tested

- 25mph (2400 rpm): bluebee: 25 ppm (limit = 711 ppm, avg = 18 ppm), 87AKI, PASS
- 25mph (2393 rpm): bluebee: 63 ppm (limit = 711 ppm, avg = 18 ppm), 91AKI (worse than 87AKI), PASS
- 25mph (1706 rpm): Ågent99: 21 ppm (limit = 706 ppm, avg = 18 ppm), Bad DISA, PASS
- 25mph (1665 rpm): Ågent99: 108 ppm (limit = 706 ppm, avg = 18 ppm), New DISA, PASS
- 25mph (1279 rpm): gian: 1 ppm (limit = 706 ppm, avg = 18 ppm), PASS
- 25mph (1718 rpm): bugratu: 72 ppm (limit = 706 ppm, avg = 50 ppm), PASS
- 25mph (1767 rpm): bugratu: 0 ppm (limit = 706 ppm, avg = 50 ppm), PASS
- 25mph (1717 rpm): +moulin: 5 ppm (limit = 706 ppm, avg = 18 ppm), PASS
- 25mph: bmw_n00b13: 36 ppm (limit = 408 ppm), PASS
- fast idle: dunk1127: not tested
--------------------------------------
Carbon Dioxide:
- 15mph (2400 rpm): bluebee: 15.0% (no limit provided), 87AKI
- 15mph (2445 rpm): bluebee: 15.1% (no limit provided), 91AKI (worse than 87AKI)
- 15mph (1570 rpm): Ågent99: 15.2% (no limit provided), Bad DISA
- 15mph (1582 rpm): Ågent99: 15.3% (no limit provided), New DISA
- 15mph (1757 rpm): gian: 14.9% (no limit provided)
- 15mph (1784 rpm): bugratu: 14.88% (no limit provided)
- 15mph (1798 rpm): bugratu: 14.4% (no limit provided)
- 15mph (1540 rpm): +moulin: 15.0% (no limit provided)
- at idle: bmw_n00b13: ?
- at idle: dunk1127: ?

- 25mph (2400 rpm): bluebee: 15.0% (no limit provided), 87AKI
- 25mph (2393 rpm): bluebee: 15.1% (no limit provided), 91AKI (worse than 87AKI)
- 25mph (1706 rpm): Ågent99: 15.3% (no limit provided), Bad DISA
- 25mph (1665 rpm): Ågent99: 15.1% (no limit provided), New DISA
- 25mph (1279 rpm): gian: 14.9% (no limit provided)
- 25mph (1718 rpm): bugratu: 14.90% (no limit provided)
- 25mph (1767 rpm): bugratu: 14.5% (no limit provided)
- 25mph (1717 rpm): +moulin: 15.0% (no limit provided)
- 25mph: bmw_n00b13: ?
- fast idle: dunk1127: ?
--------------------------------------
Oxygen:
- 15mph (2400 rpm): bluebee: 0.0% (no limit provided), 87AKI
- 15mph (2445 rpm): bluebee: 0.0% (no limit provided), 91AKI
- 15mph (1570 rpm): Ågent99: 0.0% (no limit provided), Bad DISA
- 15mph (1582 rpm): Ågent99: 0.0% (no limit provided), New DISA
- 15mph (1757 rpm): gian: 0.0% (no limit provided)
- 15mph (1784 rpm): bugratu: 0.03% (no limit provided)
- 15mph (1798 rpm): bugratu: 0.0% (no limit provided)
- 15mph (1540 rpm): +moulin: 0.0% (no limit provided)
- at idle: bmw_n00b13: no number provided
- fast idle: dunk1127: 1.028% (limit = 1.030%), PASS

- 25mph (2400 rpm): bluebee: 0.0% (no limit provided), 87AKI
- 25mph (2393 rpm): bluebee: 0.0% (no limit provided), 91AKI
- 25mph (1706 rpm): Ågent99: 0.0% (no limit provided), Bad DISA
- 25mph (1665 rpm): Ågent99: 0.3% (no limit provided), New DISA
- 25mph (1279 rpm): gian: 0.0% (no limit provided)
- 25mph (1718 rpm): bugratu: 0.02% (no limit provided)
- 25mph (1767 rpm): bugratu: 0.0% (no limit provided)
- 25mph (1717 rpm): +moulin: 0.0% (no limit provided)
- 25mph: bmw_n00b13: no number provided
- 2nd fast idle: dunk1127: lambda.. 1.040% (limit = 1.030%), PASS
--------------------------------------
Note: This list will be updated with new data for as long as the forum will allow us.


It's interesting the effect the new DISA had on Ågent99's results:
- Hydrocarbons went down by more than a quarter!
- Carbon monoxide went down (for the most part)
- Nitrogen oxides went up (way up) by something like 500%
- C02 & oxygen remain unchanged

Last edited by bluebee; 02-06-2011 at 06:17 AM.
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  #20  
Old 02-05-2011, 12:51 PM
franka franka is offline
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What's a DISA valve ??
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  #21  
Old 02-05-2011, 08:59 PM
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bluebee bluebee is offline
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Quote:
Originally Posted by franka View Post
What's a DISA valve ??
Hmmmmm... Are you asking tongue-in-cheek 'cuz it's DISA (without the valve) or are you seriously asking what is the thing? I don't know. I'll assume the latter (although I'm open to a correction in terminology anytime, like maybe it's a "DISA flap" but I think Agent99's thread called it a "DISA valve" (I'd have to doublecheck)).

According to the E39 acronyms ********
- BMW E39 glossary of terms, abbreviations, acronyms, slang, and oft-used brand names

The word "DISA" stands for:
DISA = DIfferenzierte SAuganlage - "Differential Air Intake"

And, according to a recent update to that thread (post #68):

... the DISA valve does not change the length of the intake system on the six-cylinder engines from the M52TU onwards - its function is to be open at low speeds, so feeding all six intake pipes together. At mid-range speeds it closes, separating the front and rear groups of three cylinders from each other. At higher speeds it opens again, joining the cylinder groups together. It therefore acts like a massive balance pipe which can be closed when required. The effect of this is to give more mid-range torque without interfering with bottom and top-end torque

Just for the record, here's a thread where the DISA valve disintegration is a bad thing (as it ruined an engine!).

Here's what the best links has as references:
- DISA VALVE FLAP BREAKS: the DIfferenzierte SAuganlage ("Differential Air Intake") valve flap breaks (1), sometimes with parts sucked into the intake manifold (1) (2) (3) (4) (5) (6) (7) (8) or the disa valve o-ring fails (1) (2) & where to get just the DISA valve o-ring (1) & when the DISA valve flap closes (1) (2) & an example of how this can ruin your engine (1) & how to test DISA operation (1)

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  #22  
Old 02-06-2011, 07:46 AM
franka franka is offline
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Thanks. Yes serious. I just needed a short answer to understand. Still, thank you.
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  #23  
Old 02-06-2011, 09:31 AM
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bmw_n00b13 bmw_n00b13 is offline
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Found something in the TIS that may be of interest to the thread. I'm also looking for my latest figures... they're here somewhere!

BMW has released nominal emissions values for all their engines. It's on a CD, part number 01 59 0 030 372. Not sure if anyone can get that for us though.
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  #24  
Old 02-06-2011, 11:01 PM
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bluebee bluebee is offline
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Quote:
Originally Posted by bmw_n00b13 View Post
BMW has released nominal emissions values for all their engines.
Ooooooh. I'll bet that is interesting!

If anyone has access to the TIS, please post the relevant information so that we all learn from your efforts!
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  #25  
Old 02-07-2011, 07:23 AM
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bmw_n00b13 bmw_n00b13 is offline
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It's not in the TIS, that's where I learned about the CD. I got excited for a bit though, seeing a bulletin on nominal emissions values.
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