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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 01-16-2009, 08:37 AM
ads1983 ads1983 is offline
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Location: lexington
 
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Mein Auto: 328i
Error Codes P1421, P1188, P1250

Any help on this issue would be greatly appreciated.

I am getting this combo of codes. Has anyone else had this issue. I dont know what to do.
Codes are
P1421 Secondary Air System Bank 1
P1188 Fuel Control (Bank 1 Sensor 1)
P1250 Can not find description.
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  #2  
Old 01-16-2009, 08:41 AM
KeithS KeithS is offline
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Location: Central NJ
 
Join Date: Dec 2001
Posts: 1,614
Mein Auto: '11 335d, '00 540iT
Check out this link for decypering codes:
http://www.my330i.com/odb2.php

1250=Fuel Level Too Low

Did you run the car very low on gas? Frozen Fuel line?
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  #3  
Old 01-16-2009, 08:48 AM
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smolck smolck is online now
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Location: Birmingham, AL
 
Join Date: Jul 2007
Posts: 22,348
Mein Auto: 2004 ZHP Sedan
Quote:
Originally Posted by ads1983 View Post
Any help on this issue would be greatly appreciated.

I am getting this combo of codes. Has anyone else had this issue. I dont know what to do.
Codes are
P1421 Secondary Air System Bank 1
P1188 Fuel Control (Bank 1 Sensor 1)
P1250 Can not find description.
If memory serves the 1250 code is usually related to a fuel system issue caused by bad 02 sensors, bad MAF, or even a crack in your intake boot.
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now, go burn your Man Card, and buy yourself a Camry....
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  #4  
Old 01-16-2009, 09:48 AM
tallboy2023 tallboy2023 is offline
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Location: Spokane, WA
 
Join Date: Jun 2007
Posts: 14
Mein Auto: 2000 323i
Quote:
Originally Posted by smolck View Post
If memory serves the 1250 code is usually related to a fuel system issue caused by bad 02 sensors, bad MAF, or even a crack in your intake boot.
Yeah I had similar codes and replaced my intake boot and the problem was gone
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  #5  
Old 05-28-2009, 11:00 PM
BMWM33 BMWM33 is offline
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Location: brooklyn ny
 
Join Date: May 2009
Posts: 1
Mein Auto: bmw 328i 98 e36
i have this error p1250 n p0302....so to solve p1250 just change the intake boot n thats all? ive had missfire...do u have n idea of wat i should do?
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  #6  
Old 05-29-2009, 06:56 AM
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smolck smolck is online now
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Originally Posted by BMWM33 View Post
i have this error p1250 n p0302....so to solve p1250 just change the intake boot n thats all? ive had missfire...do u have n idea of wat i should do?
Yep. Probably fix both codes.
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now, go burn your Man Card, and buy yourself a Camry....
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