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

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