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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 3 Series / 4 Series > E36 (1991 - 1999)

E36 (1991 - 1999)
The E36 chassis 3-Series BMW was a huge hit among driving enthusiasts from the first moment the car hit the pavement. The E36 won numerous awards over the years it was produced and is still a favorite of many BMW enthusiasts to this day! -- View the E36 Wiki

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  #1  
Old 09-16-2014, 09:53 PM
Csaylo88 Csaylo88 is offline
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Exclamation Picked up a used 328i with codes

So my dad picked up a used 328i 97 with some issues. guy said the check engine light came on because it needed a oil change (yeah right) he was surprised when I popped out my OBDII scanner and found the following codes:

P1250 : Manufacturer Control
P0455 : Evaporative Emission System Leak Detected (Large Leak)
P1423 : Manufacturer Control
P1423 : Manufacturer Control

The car runs great doesn't stall and we couldn't see any leaks oil was good, so he picked it up. Plus the owner smogged the car on 9.5.14 its tagged till july 2015 IDK how he managed to pass smog with a check engine light and codes. but I guess he did.
I have no idea what the Manufacturer Control Codes are maybe one of you out there does? I will either have him buy the book on the car or I'll try to download a pdf of the manual?

The car does have some cosmetic damage bumper messed up a bit, missing wheel wells, no a/c. Did he pick up a lemon or a nice little project car?

please help me out

My E39 runs greats however I just did replace the back left CV joint 3 days ago and its running like a champ

any responses are greatly appreciated
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  #2  
Old 09-16-2014, 10:02 PM
toddster toddster is offline
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Mein Auto: 97 328is... and stuff.
If I understand correctly, BMW uses a bunch of codes that are not used in the standard list. They are all listed in the Bently manuals and probably on-line if you google. I'd look em up for ya, but I'd have to like, put down my beer and get off my ass.

(My PO solved the problem by swapping in a burned-out "check engine" light. Once I got a code reader, the first code comes up as "faulty check engine light."
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  #3  
Old 09-17-2014, 07:02 AM
hnaz hnaz is offline
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Op,

P1423 - http://blog.bavauto.com/5929/bmw-fau...secondary-air/
P1250 - Is usually your fuel pump or fuel pressure regulator. May want to get a fuel pressure testing kit and check and see if you are within the 50 (+/- 2 psi) range. If you are, might be your fuel pump starting to go caca. I've never seen this code come up on any of my cars, especially the M-Tech with 300K miles. What code reader did you use? Some code scanners sometimes give faulty codes.
P0455 - EVAP large leak detected. The ECM has detected a large leak in the EVAP system during a system monitor test.

Probable cause:
- Defective missing or loose fuel cap
- EVAP canister broke, house cracked or not connected
- Purge or vent solenoid defective
- Vacum leak at engine

The P0455 is usually because the gas cap seal has gone completely bad. Start off by replacing the fuel cap with a new one. If that resolves the problem, you're good to go. If not, you have to go to your canister next, which is in your wheel well.
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  #4  
Old 09-17-2014, 10:46 AM
Csaylo88 Csaylo88 is offline
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@hnaz dude thank you so much I feel a little better now knowing the codes, I downloaded the service manual (Bentley) for the car but my PDF viewer wasn't working right and it was a problem related to fixing the registry on my computer it was late and I didn't feel like messing with it. You are the man thanks again! I will pass this info onto my pops and see what he thinks.
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  #5  
Old 09-17-2014, 05:55 PM
Csaylo88 Csaylo88 is offline
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itis also throwing :

p1421 - Manufacturer Control

IDK what that is maybe one of you do?
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  #6  
Old 09-17-2014, 05:57 PM
Csaylo88 Csaylo88 is offline
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or if one of you actually has the bentley service manual for the e36 that would be awesome too since like I said my pdf reader is down for now I could forward the link to my pops or put it on the cloud so I can use it on his tablet?
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  #7  
Old 09-17-2014, 06:06 PM
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dc_wright dc_wright is offline
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Go to the "Useful Links...." sticky and click on the "This one went missing..." link and it will take you to a site where you can download a copy of the Bentley manual.
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  #8  
Old 09-18-2014, 04:57 AM
hnaz hnaz is offline
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Quote:
Originally Posted by Csaylo88 View Post
itis also throwing :

p1421 - Manufacturer Control

IDK what that is maybe one of you do?

The P1421 and 1423 are related to the secondary air pump and main pump. These two units are found in your engine bay, on the passenger side. One is a big black round thing that has a hose going out to the headlight. Usually you should hear this thing "whir" on cold starts. If it doesn't, either the resistor is busted, fuse is busted, relay is busted, or the unit itself is busted. The unit has to be replaced in tandem with the secondary air pump. Both are easy to get to so not an issue. The only issue is the cost. You're talking about $600 together for both the main box and secondary air pump. You will need to replace the gaskets as well.
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  #9  
Old 09-18-2014, 10:39 AM
toddster toddster is offline
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There is a detailed write-up on diagnosing and fixing secondary air pump problems on the Pelican Parts site. I have been procrastinating on doing anything about this - assuming that one doesn't have to pass emissions testing, how important is it?
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  #10  
Old 09-18-2014, 11:53 AM
hnaz hnaz is offline
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Quote:
Originally Posted by toddster View Post
There is a detailed write-up on diagnosing and fixing secondary air pump problems on the Pelican Parts site. I have been procrastinating on doing anything about this - assuming that one doesn't have to pass emissions testing, how important is it?
Zero importance. It's just something to keep the EPA goons, creeps, and perverts quiet.
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  #11  
Old 09-18-2014, 12:15 PM
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southpark11235 southpark11235 is online now
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Quote:
Originally Posted by toddster View Post
There is a detailed write-up on diagnosing and fixing secondary air pump problems on the Pelican Parts site. I have been procrastinating on doing anything about this - assuming that one doesn't have to pass emissions testing, how important is it?
It is only there to prolong the life of your cat and add weight. I have it removed on my car and IIRC it never came on the European e36. That should tell you how important it is.

The easiest way to “fix” the SAP, is just to sim it. For $70 you can buy a sim from here and install it yourself in under a half hour. If you want to save some money you can build a sim for under $20 http://www.m3forum.net/m3forum/showthread.php?t=298876.
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  #12  
Old 09-18-2014, 05:58 PM
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Engel12626 Engel12626 is offline
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Quote:
Originally Posted by southpark11235 View Post
It is only there to prolong the life of your cat and add weight. I have it removed on my car and IIRC it never came on the European e36. That should tell you how important it is.
Yep, the Euro cars had the expansion tank mounted there.
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  #13  
Old 09-18-2014, 06:59 PM
Burning2nd Burning2nd is offline
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Good old hard copy of the bible will not require a PDF reader... just saying..

there are several manufacture spesific codes... The manufacture is allow to use a certin block of numbers and they can make it what ever they want..

so keep this in mind that 1421 for BMW is not the same as say.... acura


brb sounds like the south air compressor just exspoded
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  #14  
Old Yesterday, 12:05 PM
Csaylo88 Csaylo88 is offline
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Lol @burning2nd your right that's why he bought the service manual lol I just haven't been around to look through it yet...... I was trying to isolate the problem before going to his house to try to save time but thanks everyone. He already picked up a gas cap so ill scan the car and see if that code went away for the p0455
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  #15  
Old Yesterday, 12:33 PM
hnaz hnaz is offline
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Quote:
Originally Posted by Csaylo88 View Post
Lol @burning2nd your right that's why he bought the service manual lol I just haven't been around to look through it yet...... I was trying to isolate the problem before going to his house to try to save time but thanks everyone. He already picked up a gas cap so ill scan the car and see if that code went away for the p0455
You may have to clear the code first and see if it returns. It's the best way to verify if the code goes away and STAYS away.

As far as the other things, I would follow Southpark's advice and just make a sim to get rid of that bloody air pump. It really isn't needed.

By the way, in a couple or so weeks, as was the case with my 328i, the O2 sensors will be throwing codes soon. May want to think about changing out the ones on the headers. The ones after the cats are fine.
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