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E46 (1999 - 2006)
The fourth generation 3 Series (E46 chassis) was introduced in 1999 and set the standard for engineering and performance during it's years of production including being named to Car & Driver's 10 best list every one of those years! ! -- View the E46 Wiki

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  #1  
Old 03-10-2005, 11:15 AM
MJTSUB MJTSUB is offline
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Mein Auto: x3, e30 325ix, e39 540i/6
Got the 40.1 Software Update (ZHP Related)

Well today I got my update done on my 04' 330i w/zhp. I went from software 39.2 to 40.1. This software is supposed to correct the idle problem (which the 39.2 update did for me) and it is also supposde to help with the power dip at around 4000 - 4300 rpms (see dyno below). So far I have put 30 miles on the car and it feels much better. I dont think the hesitation at 4kpms is completly gone (according to butt dyno) but it certainly feels better. The car pulls more evenly and smoothly. I have no idle or vibration issues so far. From what I was told is that there really is no complete fix due to the resonance valve (see image below) which opens/closes around 4k rpms. Anyone know different? Overall I would recommend ZHP owners to get the software update done. It is of no charge to you even if you are out of your 4 year/50k mile warranty because there is a BMW service bulletin about this.
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  #2  
Old 03-10-2005, 11:26 AM
EricSteinman EricSteinman is offline
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Will this update benefit those of us without ZHP on our 2005 330i?
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  #3  
Old 03-10-2005, 11:29 AM
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KrisL KrisL is offline
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Quote:
Originally Posted by EricSteinman
Will this update benefit those of us without ZHP on our 2005 330i?
Yes.

I never really noticed the 4krpm thing to begin with. You have to remain consious of what bimmerfest fools you into thinking you feel...


I can't wait until BiM-COM is released for the E46.. maybe we can do these DME upgrades ourselves...
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  #4  
Old 03-10-2005, 11:36 AM
MJTSUB MJTSUB is offline
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Quote:
Originally Posted by EricSteinman
Will this update benefit those of us without ZHP on our 2005 330i?
I dont know?
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  #5  
Old 03-10-2005, 11:37 AM
MJTSUB MJTSUB is offline
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Quote:
Originally Posted by KrisL
Yes.

I never really noticed the 4krpm thing to begin with. You have to remain consious of what bimmerfest fools you into thinking you feel...


I can't wait until BiM-COM is released for the E46.. maybe we can do these DME upgrades ourselves...

What is BiM-COM?
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  #6  
Old 03-10-2005, 12:19 PM
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KrisL KrisL is offline
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Quote:
Originally Posted by MJTSUB
What is BiM-COM?
Check out the Yahoo group 'BiM-COM'.

The same guy that developed the VAG-COM:
http://www.ross-tech.com/vag-com/index.html

is developing one for bimmers. The mini is first (to be released sometime this year), with the E46 coming second.

It'll allow us to view all fault codes, change our own car/key memory, and much more.
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  #7  
Old 03-10-2005, 05:02 PM
Nefilim Nefilim is offline
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I had my car serviced on Tuesday (15k service) and asked them to upgrade to 40 (I had it upgraded to 39.2 at 8k miles - after which the dip was gone and returned again after ECU adjusted). They did NOT do the upgrade, stating they cannot just upgrade it without cause (I told the service advisor about the lag at 4k rpm), they also searched and found no service bulletins apparently

Do you have the bulletin number or a scan by any chance ?

Quote:
Originally Posted by KrisL
I never really noticed the 4krpm thing to begin with. You have to remain consious of what bimmerfest fools you into thinking you feel...
You are welcome to come drive my car and feel for yourself, I'm in Cupertino.
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  #8  
Old 03-10-2005, 05:28 PM
MJTSUB MJTSUB is offline
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Mein Auto: x3, e30 325ix, e39 540i/6
Quote:
Originally Posted by Nefilim
I had my car serviced on Tuesday (15k service) and asked them to upgrade to 40 (I had it upgraded to 39.2 at 8k miles - after which the dip was gone and returned again after ECU adjusted). They did NOT do the upgrade, stating they cannot just upgrade it without cause (I told the service advisor about the lag at 4k rpm), they also searched and found no service bulletins apparently

Do you have the bulletin number or a scan by any chance ?



You are welcome to come drive my car and feel for yourself, I'm in Cupertino.

Sorry I dont have the service bulletin for 40.1. A lady from BMW NA told me about it.
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  #9  
Old 03-10-2005, 07:15 PM
Megatron Megatron is offline
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Mein Auto: 330i M Perf Pack
Quote:
Originally Posted by Nefilim
I had my car serviced on Tuesday (15k service) and asked them to upgrade to 40 (I had it upgraded to 39.2 at 8k miles - after which the dip was gone and returned again after ECU adjusted). They did NOT do the upgrade, stating they cannot just upgrade it without cause (I told the service advisor about the lag at 4k rpm), they also searched and found no service bulletins apparently
Try asking them what the problem is and tell them that drop is noticeable and annoying. If they don't believe it, try and get them to ride with you where you show them the lag on your car and on a regular 330i on their lot. (Hope their 330i doesn't show the dip too badly)

Then ask them to try updating the software to see if it fixes the problem because that dip is horrible....anything to try and get them to update your car.
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  #10  
Old 03-10-2005, 07:53 PM
tsbrown tsbrown is offline
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Quote:
Originally Posted by KrisL
I never really noticed the 4krpm thing to begin with. You have to remain consious of what bimmerfest fools you into thinking you feel...
I've never noticed it either. Maybe I already have 39.2 or 40.1 in my ECM. Anyone know if my August 2004 built ZHP ('05 model year) would have either of these newer software versions?
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  #11  
Old 03-10-2005, 08:11 PM
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Double Vanos Double Vanos is offline
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Quote:
Originally Posted by tsbrown
I've never noticed it either. Maybe I already have 39.2 or 40.1 in my ECM. Anyone know if my August 2004 built ZHP ('05 model year) would have either of these newer software versions?
I'm with you, my car pulls til redline without any hesitation. I think this might be earlier ZHPs or something. My build date is 05/2004 for the record.
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  #12  
Old 03-10-2005, 09:23 PM
MJTSUB MJTSUB is offline
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Mein Auto: x3, e30 325ix, e39 540i/6
Quote:
Originally Posted by Double Vanos
I'm with you, my car pulls til redline without any hesitation. I think this might be earlier ZHPs or something. My build date is 05/2004 for the record.

My build date is 02/04 so I dont know when they swithed. In fact the 39.2 update didnt come out until 9/17/04. That is the date the service bulletin was issued so it may have come out just slightly before than.
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  #13  
Old 03-10-2005, 10:42 PM
T330ciZHP T330ciZHP is offline
'04 jetblack330ci zhp 6MT
Location: San Diego,CA US
 
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Mein Auto: '04 330ci ZHP 6MT
Quote:
Originally Posted by MJTSUB
My build date is 02/04 so I dont know when they swithed. In fact the 39.2 update didnt come out until 9/17/04. That is the date the service bulletin was issued so it may have come out just slightly before than.

How do I find out which software version? Anyone? Thanks in advance
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  #14  
Old 03-11-2005, 05:44 AM
MJTSUB MJTSUB is offline
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Mein Auto: x3, e30 325ix, e39 540i/6
Quote:
Originally Posted by T330ciZHP
How do I find out which software version? Anyone? Thanks in advance


Here's how you can check:

Instructions to access the hidden OBC functions:
1. Hold Trip Reset while turning ignition key to on position
2. OBC should show "Test"
3. Use Trip Reset to select function 19.0 that unlocks all the features
3. Wait for display to show "Off"
4. Depress Trip Reset for 1/4 second and release it
5. With no delay press Trip Reset several times to select one of the following function s

BMW E46 On-Board Computer (OBC) Hidden Codes
nr example description
1 Car Engine and cluster data
1.0 46nnn Chassis nr/VIN serial number (last 5 digits)
1.1 4nnn K-number
1.2 690236 Cluster Part #
1.3 045210 Coding (04)/diagnosis (52)/bus index (10)
1.4 1200 Week (12)/year of manufacture (2000)
1.5 09_160 Hardware (09) and software # (16.0) of cluster
1.6 Not used
1.7 04__44 CAN-version (04) KI-revision index (44)
2 (test) Cluster System Test - Activates the gauge drivers,
indicators and LEDs to confirm function
3 SI Data
3.0 1098 Used fuel in liters since last SI (Service Inspection)
3.1 0231 Periodic inspection days; elapsed days (since last SI)
4 Momentary Consumption
4.0 0145+ Instant fuel consumption - 0145=14.5 liters/100km
4.1 0018 Instant fuel consumption - 0018=1.8 l/Hour
5 Distance Gone Consumption
5.0 082 Average mileage; 082=8.2 liters/100km
5.1 0536 Calc. km to refuel (momentary distance to go)
6 Fuel Level sensor inputs in liters
6.0 109330+ Fuel level averaged; Left half sensor input=10.9 liters; Right sensor input=33.0 liters
6.1 0439+ Total tank level averaged; vlgs 6.0: 10.9+33.0=43.9 liters
6.2 0442+ Indicated value (44.2) and tank phase
7 Temperature and Speed
7.0 021+ Coolant/Engine temperature (2.1C)
7.1 130 Ambient/Outside temperature - chg met 5 pts. 125/130/135
7.2 + Engine speed / Current RPMs 1/min
7.3 + Vehicle speed / Current Speed in km/hour
8 Input value in HEX form
8.0 1d0+ System voltage ADC-Value Hex code
8.1 26C33C+ ADC Values HG left/HG right
8.2 0000 ADC Value brake degradation sensor (000=o.k.)
8.3 18C ADC Value outside temperature
9 Battery
9.0 140 Battery Voltage - 140 = UB 14.0v
9.1 242013+?
9.2 074_78+?
9.3 0011+?
10 Not used
11 Not used
12 Not used
13 GonG Gong Test
14 Not used
15 Status cluster I/O-ports (bit codes) 0=low; 1=high
1st-belt contact, seat belt fastened=0; 2) ignition lock contact, key inserted=0; 3) door contact, door open=0; 4) clock button pressed=0; 5) SI reset=0, for reset=0; 6) EGS transmission failure=0
Status Digital Outputs (bits) 0=inactive, 1=active
1) Gong output; 2) Brake warning lamp; 3) Low fuel warning lamp; 4) EGA lamp; 5) seat belt lamp; 6) manipulation dot
16 Not used
17 Not used
18 Not used
19 Lock Status; unlocks functions in range 3-18
19.0 L-On/L-Off Unlock: press button when "L-Off"
20 Not used
21 Software Reset; reset OBC settings
00 End of test


You will be looking at 1.5 09_160 Hardware (09) and software # (16.0) of cluster
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  #15  
Old 03-11-2005, 07:12 AM
EricSteinman EricSteinman is offline
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If we access hidden OBC functions is this an invasive procedure or "read-only"? In other words, by accessing these functions could one really screw up their beloved 330i if something is not done correctly?

Also, anyone know if the latest software should be applied to a vehicle that does not seem to be exhibiting any issues? I guess what I am trying to understand is, do we apply this update like we would a "patch" for our computer as a "pro-active" measure or only if there is a known problem?
Thanks all!
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  #16  
Old 03-11-2005, 07:38 AM
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KrisL KrisL is offline
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Mein Auto: 330i ZHP
Quote:
Originally Posted by EricSteinman
If we access hidden OBC functions is this an invasive procedure or "read-only"? In other words, by accessing these functions could one really screw up their beloved 330i if something is not done correctly?

Also, anyone know if the latest software should be applied to a vehicle that does not seem to be exhibiting any issues? I guess what I am trying to understand is, do we apply this update like we would a "patch" for our computer as a "pro-active" measure or only if there is a known problem?
Thanks all!


It is my understanding that the OBC functions listed will only show the h/w and s/w versions of the cluster - they don't show you what DME version you are running.

Eric, 1) they are read-only if you wish to play around and 2) It's something you may want to mention to the dealer next time you are in. Only takes them a few minutes to perform the upgrade, so why not.. It could fix problems your car has yet to exhibit.
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  #17  
Old 04-01-2005, 04:22 PM
LDV330i LDV330i is online now
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Quote:
Originally Posted by Megatron
Try asking them what the problem is and tell them that drop is noticeable and annoying. If they don't believe it, try and get them to ride with you where you show them the lag on your car and on a regular 330i on their lot. (Hope their 330i doesn't show the dip too badly)

Then ask them to try updating the software to see if it fixes the problem because that dip is horrible....anything to try and get them to update your car.
I had my car at the dealer today for its first official oil service at 12,100 miles. I told my SA about how the idle would go unstable randomly and that I had a 4,000 rpm lag. When I picked my car up this afternoon I was told nothing was done because the issue could not be verified either via stored fault codes or when it was road tested.

I was asked to bring in the car when it happens. WFT, did I not say it was random.
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  #18  
Old 04-01-2005, 05:16 PM
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doeboy doeboy is offline
DHP pwns ZHP :p
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Quote:
Originally Posted by KrisL
I can't wait until BiM-COM is released for the E46.. maybe we can do these DME upgrades ourselves...
I don't think DME firmware updates are one of the things it will be able to do. I don't see any mention of that on VAG-COM's feature list either.

Customize programmable settings, yes. Update vehicle firmware? I doubt it. But I can't wait either.
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