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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 09-19-2007, 07:48 PM
jrighter jrighter is offline
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BMW codes 202, 203 227, and 228

Need help here. These aren't the OBDII codes but the BMW codes. 2000 323i This is for a possible new purchase and the owner is saying these are the codes BMW gave him from the check engine light. I'd like to verify what they are and how to fix them.. They told him rich mixture

202, 203 227, and 228
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  #2  
Old 09-19-2007, 08:15 PM
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v33_n0d3 v33_n0d3 is offline
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202: Fuel Trim (bank 1)
203: Fuel Trim (Bank 2)
227: Fuel Control (Bank 1 Sensor 1)
228: Fuel Control (Bank 2 Sensor 2)

Sounds like a case of crappy gas to me.

Last edited by v33_n0d3; 09-19-2007 at 08:18 PM.
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  #3  
Old 09-19-2007, 08:25 PM
jrighter jrighter is offline
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Thanks! Any suggestions on how to fix it? The owner said it has been reset but eventually comes back on..
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  #4  
Old 09-19-2007, 08:30 PM
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Quote:
Originally Posted by jrighter View Post
Thanks! Any suggestions on how to fix it? The owner said it has been reset but eventually comes back on..
With any fuel-related codes, I'd replace the plugs and fuel filter first.
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  #5  
Old 09-19-2007, 08:33 PM
jrighter jrighter is offline
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He did have the plugs replaced but I don't believe the fuel filter was done. So I'm assuming this isn't something that I should be real concerned about? Everything else on the car ha checked out fine. Thanks again for all the help! BTW 85,000 miles..

Last edited by jrighter; 09-19-2007 at 08:35 PM.
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  #6  
Old 09-19-2007, 08:38 PM
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v33_n0d3 v33_n0d3 is offline
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The fuel filter was never replaced in those 85,000 miles? Oh yeah, definitely do that ASAP. Also, did you put any additives in the tank?
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  #7  
Old 09-19-2007, 08:39 PM
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Quote:
Originally Posted by jrighter View Post
He did have the plugs replaced but I don't believe the fuel filter was done. So I'm assuming this isn't something that I should be real concerned about? Everything else on the car ha checked out fine. Thanks again for all the help! BTW 85,000 miles..
It could be something to be worried about. No way to really tell until you've confirmed the root cause.


I personally wouldn't buy any car with error lights on. If the previous owner didn't care enough to at least get the issue diagnosed, who knows what else is going on.
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Old 09-19-2007, 08:46 PM
jrighter jrighter is offline
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I agree on not purchasing with the error light. The car seems fine, he had it checked by the dealer, they replaced the plugs and it came back on with the same codes a few weeks later. He actually even has the invoice for this. Not sure why they wouldn't have changed the fuel filter. The only other issue he has warned me about is the passenger side regulator is starting to go. I've replaced these so I'm not worried about that. He is the second owner with all the service records, oil changes evey 3000 miles, etc...
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  #9  
Old 09-19-2007, 08:58 PM
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Quote:
Originally Posted by jrighter View Post
I agree on not purchasing with the error light. The car seems fine, he had it checked by the dealer, they replaced the plugs and it came back on with the same codes a few weeks later. He actually even has the invoice for this. Not sure why they wouldn't have changed the fuel filter. The only other issue he has warned me about is the passenger side regulator is starting to go. I've replaced these so I'm not worried about that. He is the second owner with all the service records, oil changes evey 3000 miles, etc...
Hm, tough call then.
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Old 09-19-2007, 10:00 PM
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Yeah, I know What P codes do these translate to?
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  #11  
Old 09-20-2007, 01:21 AM
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Quote:
Originally Posted by v33_n0d3 View Post
202: Fuel Trim (bank 1)
203: Fuel Trim (Bank 2)
227: Fuel Control (Bank 1 Sensor 1)
228: Fuel Control (Bank 2 Sensor 2)

Sounds like a case of crappy gas to me.

Check your intake boot. Possible crack in boot. Might need an engine harness. I have seen those fault codes before & it could be either or.
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  #12  
Old 09-20-2007, 03:38 AM
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Id doubt he would have harness issues without some cause for it such as someone tinkering around with it or a wreck. But the tube leading from the mass air flow sensor is a good thing to check.
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  #13  
Old 09-21-2007, 10:27 AM
BMWtech75 BMWtech75 is offline
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Id doubt he would have harness issues without some cause for it such as someone tinkering around with it or a wreck. But the tube leading from the mass air flow sensor is a good thing to check.

Not neccesary. The corrosion in the contacts alone will cause it. There is a bulletin for fault code 227 & 228 to replace the engine harness on the X5 3.0 which is pretty much the same engine. I have replaced the harness before on an E46 & it fixed the problem. Just letting him know from past experience.
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  #14  
Old 09-21-2007, 01:04 PM
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Yikes! Engine harness? I guess the car has some slight hesitation in the mornings if you take off immediatly. Could it be a MAF?
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  #15  
Old 09-21-2007, 09:25 PM
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Originally Posted by jrighter View Post
Yikes! Engine harness? I guess the car has some slight hesitation in the mornings if you take off immediatly. Could it be a MAF?
Doubt it. With what you just said, I would lean more towards a torn intake boot. Really common place for the intake to tear is where it (smaller intake hose)bends right before going to the throttle. I'll try to take a pic for you of the common place to look tomorrow when I get to work.
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  #16  
Old 09-21-2007, 10:06 PM
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Thanks for the help!
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  #17  
Old 09-21-2007, 10:27 PM
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Thanks for the help!
No problem. Hope it is just something simple for you. Let me know if I can be of any other help.
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  #18  
Old 09-21-2007, 10:48 PM
jrighter jrighter is offline
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Me too. This has been stopping me from pulling the plug and buying this car. I can't decide if it's a good deal or not. Here in Ohio 3 series seem to be at a premium whereas the 5 and 7 series can be had very reasonable. Too bad I don't want a 5er! 2000 323I well maintained, 85k miles, 5 spd, Sports/Premium for 11k. If it weren't for this stupid SES issue. This will be my 5th BMW, one of the cheapest but I guess I'm becoming a tight ass after I hit 30! I'm very specific on my needs so that is part of my issue. I guess I should say "wants" not "needs". Gotta be Blue or Black exterior, black interior only, 5spd, well maint, Sports/Prem, and sedan.I went today and tried to plug in my Actron CP9175 OBDII scanner in the port just to confirm the readings for myself and it didn't seem to fit. I cannot win for losing!

Last edited by jrighter; 09-21-2007 at 10:55 PM.
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  #19  
Old 09-23-2007, 12:03 AM
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Did you remove the plug first? Theres a plastic cover over the obd port.
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  #20  
Old 09-23-2007, 06:45 AM
jrighter jrighter is offline
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Yeah, I got it. I'm not a total idiot. LOL! I just wasn't pushing it in far enough. The plastic that surrounds the port just makes it a very tight fit. I was afraid to force it but did so and what do ya know it snapped in! It slides into our Nissan with no force at all. Actually I never had to force it when I plugged it into my 2 previous 5 series either. Anyway, puled codes 1188, 1189, PO173, and PO172.

Last edited by jrighter; 09-23-2007 at 06:47 AM.
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  #21  
Old 09-23-2007, 09:16 AM
jrighter jrighter is offline
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Actually the codes were PO173, PO170, P1189, AND P1188
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  #22  
Old 09-26-2007, 09:03 PM
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Just wanted to give a big thank you to everyone here, especially BMWTECH. I took the chance and purchased the car Monday. Glad I did! After removing the air filter for a further inspection of the intake boot, sure enough the little elbow was completely ripped in half. Local BMW had the booger for 17 bucks. Replaced the intake boot, started the car, and discovered the sputter was completely gone so I reset the codes and sure enough they did not return as they did before when I reset prior to the boot install. The 17 dollar trip turned into $120.00 trip at the local stealer. I went ahead and changed the oil and filter, fuel filter, rear license plate bracket and air filter while I was at it. I cleaned the MAF for a little preventative maintenance as well. I saved the elbow and will post pics sometime this week for others to see since they could very well have the same issue. Thanks again guys!

Last edited by jrighter; 09-26-2007 at 09:05 PM.
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  #23  
Old 09-27-2007, 04:32 PM
BMWtech75 BMWtech75 is offline
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Originally Posted by jrighter View Post
Just wanted to give a big thank you to everyone here, especially BMWTECH. I took the chance and purchased the car Monday. Glad I did! After removing the air filter for a further inspection of the intake boot, sure enough the little elbow was completely ripped in half. Local BMW had the booger for 17 bucks. Replaced the intake boot, started the car, and discovered the sputter was completely gone so I reset the codes and sure enough they did not return as they did before when I reset prior to the boot install. The 17 dollar trip turned into $120.00 trip at the local stealer. I went ahead and changed the oil and filter, fuel filter, rear license plate bracket and air filter while I was at it. I cleaned the MAF for a little preventative maintenance as well. I saved the elbow and will post pics sometime this week for others to see since they could very well have the same issue. Thanks again guys!
No problem. Glad everything worked out for you. Enjoy your new vehicle.
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