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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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Old 07-16-2009, 04:25 PM
jm6158 jm6158 is offline
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Location: Roanoke
 
Join Date: Jul 2009
Posts: 8
Mein Auto: 2000 BMW 323i
Air/Gas problems with my 2000 323i

I have a 2000 bmw 323i. Just got the oil changed and cleaned the air filter and service engine light came on along with a rough idle. I used synthetic oil and cleaned/oiled k&n filter. Car is throwing code P0173 P0174 Fuel Trim Malfunction and P1188 P1189 Manufacturer Control Fuel Air Metering. Could this be from using cheaper gasoline? Also dealer recommended replacing intake hose at the throttle body. Wondering what I should do?
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Old 07-16-2009, 04:27 PM
jm6158 jm6158 is offline
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Location: Roanoke
 
Join Date: Jul 2009
Posts: 8
Mein Auto: 2000 BMW 323i
After some research I have seen similar problems resulting from over oiling the K&N and ruining the MAF sensor. I only used what the instructions said and let dry for 20 minutes and even soaked up excess. Could this have caused the problem?
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323i, bmw 3 series, e46 commom problem, maf sensor


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