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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 5 Series > E39 (1997 - 2003)

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 02-02-2013, 06:07 AM
sae85400 sae85400 is offline
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Location: Chicago
 
Join Date: Oct 2012
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Mein Auto: 2000 528i
Service Engine Soon

So yesterday when driving home..the dreaded SES light popped on.. Got the codes checked...P1622(not much info there, but replacing my coolant system next week so that might solve that code).. then P1421 and p1423 which from what i have read can be anything from hose leak to a new part..

Anyone every have p1421 and p1423 and find a fix..
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  #2  
Old 02-02-2013, 07:33 AM
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Fudman Fudman is offline
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Those codes indicate a failure in the secondary air pump (SAP) system. Typically the check valve or the pump. Do a search for SAP on this forum. A fairly common failure. If the valve fails, it can allow exhaust air into the pump and kill it, which is very expensive to replace ($400+).
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  #3  
Old 02-02-2013, 07:46 AM
sae85400 sae85400 is offline
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Mein Auto: 2000 528i
Is this the part i want...the electric valve everyone refers to ..
Part Number Description
Price
Qty
Total
11 74 7 537 612 Electric Valve - For Secondary Air System (for my 2000 528i)
$40.95

$40.95
remove item
.................................................. .................................................. ..
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  #4  
Old 02-02-2013, 08:14 AM
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bluebee bluebee is offline
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Location: San Jose, California
 
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Mein Auto: 02 BMW 525i M54 auto 130K
If you need to debug the SAP or SAS, I would recommend you start off NOT by throwing parts at the problem, but by simply typing /sas F3 into the bestlinks and READING the threads on how to diagnose the SAS.

I just did that for you, and this came up, among others:
- How the secondary air system (SAS) and secondary air pump (SAP) and air valve, check valve, & electrical valve operate (1) & how to maintain (1) (2) (3) & replace (1) & troubleshoot the BMW E39 SAS SAP valve secondary air pump system (1) (2) (3) (4) & an SAP valve group buy (1) & a BMW TIS on how to diagnose the SAS (1)





__________________
Each repair should invariably add to our knowledge base by the process of inexorable incrementalism.
Your job, in return, is to read the suggested threads, where the best people will always add value to those threads, either by pictures or by descriptions, so the next person with the same problem stands on your shoulders.
See also: E39 Bestlinks & How to easily find what you need
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  #5  
Old 02-02-2013, 08:51 AM
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Fudman Fudman is offline
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Location: Sudbury, MA
 
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Mein Auto: '02 530i Sport auto
Quote:
Originally Posted by sae85400 View Post
Is this the part i want...the electric valve everyone refers to ..
Part Number Description
Price
Qty
Total
11 74 7 537 612 Electric Valve - For Secondary Air System (for my 2000 528i)
$40.95

$40.95
remove item
.................................................. .................................................. ..
Research the problem. Read BB's threads. The electric valve is the least likely component to fail in the SAP system. Each failure mode has a direct cause and effect. The vacuum tubing is usually the #1 failure mode, followed by the check valve and then the pump. One failure can cause another to fail. Once you understand the SAP, you will know how to troubleshoot the problem and identify what to fix.
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  #6  
Old 02-04-2013, 08:38 AM
sae85400 sae85400 is offline
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So the lights went off yesterday.. Maybe because it was sitting outside in -23 weather it caused the problem..will look tonight at the diagram and some of the threads..
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  #7  
Old 02-04-2013, 08:53 AM
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bluebee bluebee is offline
Seek to understand,^Value
Location: San Jose, California
 
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Mein Auto: 02 BMW 525i M54 auto 130K
Quote:
Originally Posted by sae85400 View Post
So the lights went off yesterday.. Maybe because it was sitting outside in -23 weather it caused the problem..will look tonight at the diagram and some of the threads..
I highly recommend you buy this and use it while you debug:
- Cheapest CAN OBDII scanner on the net that reads DTCs, pending codes, & clears codes

__________________
Each repair should invariably add to our knowledge base by the process of inexorable incrementalism.
Your job, in return, is to read the suggested threads, where the best people will always add value to those threads, either by pictures or by descriptions, so the next person with the same problem stands on your shoulders.
See also: E39 Bestlinks & How to easily find what you need
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  #8  
Old 02-04-2013, 02:56 PM
sae85400 sae85400 is offline
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Location: Chicago
 
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Mein Auto: 2000 528i
Is that any better than what the have at autozone or aap?
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  #9  
Old 02-04-2013, 07:32 PM
bluebee's Avatar
bluebee bluebee is offline
Seek to understand,^Value
Location: San Jose, California
 
Join Date: Mar 2008
Posts: 21,026
Mein Auto: 02 BMW 525i M54 auto 130K
Quote:
Originally Posted by sae85400 View Post
Is that any better than what the have at autozone or aap?
Yes, and no.

It's not going to read anything more than the autozone reader does - but - in your hands, it's gonna CLEAR the codes (which Autozone won't do in most states).

Plus, it's gonna tell you the pending codes (because right after you clear the codes, you're gonna drive a couple of miles and then read the codes again BEFORE the SES light triggers).

And, it's gonna tell you the FIRST code that is triggered, which the Autozone won't do (simply because you can't keep checking).

Lastly, in California and Hawaii (go figure), there are no auto parts stores which will do the check for you - so - at least for us, it's impossible to get our codes read at Autozone - so we HAVE to use our own scanners.

But, if you want MORE information than what this el cheapo scanner provides, you can always go the more expensive route:
- Where to get a cheap OBDII DTC scanner (1) (2) or a better scanner (1) or the best diagnostic tools (1) (2) (3).

Or, use the BMW dealer software in the wild:
- INPA, EDIABAS, NCS Expert, DIS, EasyDIS, Progman, & other BMW factory & dealer programming, coding, and diagnostic software (1) (2) (3) (4) (5) (6) (7) (8) (9) & related BMW diagnostic tools forums (1) (2) (3) (4) (5) & the most often recommended BMW diagnostic tools & cable interfaces (1)
__________________
Each repair should invariably add to our knowledge base by the process of inexorable incrementalism.
Your job, in return, is to read the suggested threads, where the best people will always add value to those threads, either by pictures or by descriptions, so the next person with the same problem stands on your shoulders.
See also: E39 Bestlinks & How to easily find what you need
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  #10  
Old 02-05-2013, 04:14 AM
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Fudman Fudman is offline
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Location: Sudbury, MA
 
Join Date: Apr 2007
Posts: 6,192
Mein Auto: '02 530i Sport auto
Owning a scanner is virtually a REQUIREMENT for e39 ownership, IF you do any repairs yourself as it is the first step in the process to diagnose engine problems. Otherwise, take it to your mechanic, pull out your plastic, and leave the car.
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  #11  
Old 02-05-2013, 03:57 PM
sae85400 sae85400 is offline
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Location: Chicago
 
Join Date: Oct 2012
Posts: 32
Mein Auto: 2000 528i
Wont matter for a while.. i was rear ended at a stoplight..
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  #12  
Old 02-06-2013, 04:56 AM
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Fudman Fudman is offline
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Bummer. I hope you are OK. And your car is repairable.
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