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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, 12:58 AM
epremsoft epremsoft is offline
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Location: United States
 
Join Date: Aug 2012
Posts: 49
Mein Auto: 1998 528i
Question Some codes

Hi guys, I'm having some problems with my 1998 BMW 528i. I got this code, can you guys help me? I searched but I didnt get it.

P1250
P0154
P1189
P1519
P0170
P1188
P0134
P0173


I think most of them its o2 sensor and maf sensor right?
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  #2  
Old 02-02-2013, 02:18 AM
IkeRay IkeRay is offline
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Posts: 189
Mein Auto: 1997 BMW 528i (white)
http://www.obd-codes.com/trouble_codes/
http://www.obd-codes.com/trouble_codes/bmw/


P0134 - O2 sensor
P0154 - O2 sensor
P0170 - air-fuel computer error - possibly caused by bad O2 sensor or MAF connector; also vacuum leak or cam/crank sensor
P0173 - air-fuel computer error
P1188 - Fuel control (bank 1) - another air-fuel error - possibly MAF or air leak intake hose
P1189 - Fuel control (bank 2)
P1250 - Fuel level too low (also could be failing fuel sensor)
P1519 - Camshaft position actuator (bank 1)

people were reporting this problem after changing out the head gasket or messing with the vanos timing. many reported that re-adjusting the vanos timing eliminated this code

Quote:
The code means you don't have enough (or any) VANOS travel. You need to retime your cams and check your vanos advance with air pressure.
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  #3  
Old 02-02-2013, 08:58 AM
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bluebee bluebee is offline
Seek to understand,^Value
Location: San Jose, California
 
Join Date: Mar 2008
Posts: 22,028
Mein Auto: 02 BMW 525i M54 auto 130K
Personally, I wonder if it would be useful if the OP cleared the codes, stuck the scanner in the OBD port and then drove for a couple of miles. Stopped. Checked for pending codes, and then, worked on the FIRST code that is pending.

Would that be a good way to reduce the plethora of codes to something more manageable?

That's kind of what I did when I debugged mine:
- Does the order of the misfire OBDII DTCs diagnostic trouble codes actually matter (1)
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Please read the suggested threads, where the best 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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  #4  
Old 02-02-2013, 12:17 PM
epremsoft epremsoft is offline
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Mein Auto: 1998 528i
Yes, I start getting of these codes after changing the head gasket.
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  #5  
Old 02-02-2013, 01:58 PM
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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
Quote:
Originally Posted by IkeRay View Post
messing with the vanos timing. many reported that re-adjusting the vanos timing eliminated this code
I didn't know you could CHANGE vanos timing!
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Please read the suggested threads, where the best 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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  #6  
Old 02-11-2013, 09:27 AM
epremsoft epremsoft is offline
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Location: United States
 
Join Date: Aug 2012
Posts: 49
Mein Auto: 1998 528i
P1250
P0154
P1189
P0170
P1188
P0134
P0173

I fixed all these codes by changing mass air flow sensor and one o2 sensor and unbelievable increase in power!
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