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Asia and South Pacific Asian region, Australia, New Zealand and the Pacific.

 
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#1 (permalink) Old 03-24-2009, 08:14 PM
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my bimmer 2002 is on a distinguished road
(Thread Starter)
Post po171 po174

Im having problems and was wondering if ther eis any one that can help me bmw are very expensive to diagnose so maybe some one had a similar problem like me here we go

2002 bmw e39 525i with 70k miles

im getting a check engine light codes on obd2 read
po171 , po174 and in the morning when vehicle is cold the engine hesitate a litttle bit

I changed the fallowing parts
air filter ,spark plugs,all 4 oxygen sensors
vehicle only has 70k miles i always use premium gasoline
i never cleaned the maf sensor or replaced the fuel filter any advice on how to fix this problem thank you so much
my bimmer 2002 is offline  
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