1999 BMW 318 ti
Problem for BMW 1999 318 ti

Bmw 318i e46 idle bad




By pastie on May 30, 2008

" "
my 1999 318i e46 bmw is hunting badly on tick over i have replaced the air breather pipe comin from the rocker box and made no differance

Same Problem

May 02, 2009

-   I have a bmw E46 which is hunting when left to idle, its fine untill the engine reaches operating temperature. The ECU is showing fault code P0171 is present, which suggests an air leak. Any ideas where from? The diagnostic computer also suggests it could be the MAF sensor however the MAF sensor seems to be operating ok when looking at the live data.-   elliotthills

Best Solution

posted on Jun 08, 2008
Helpful)

Jac1kle

Rank: Apprentice 
Rating: 90%, 6 votes
have u also changed the plastic valve that that pipe is connected to located underneath 2-3 allen key bolts easy if u take off throttle body and housing to get to it???

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Solution #2

posted on May 15, 2009
Very Helpful)

r_nunes_1

Rank: Apprentice 
Rating: 100%, 3 votes
try disconnecting the air mass meter sensor if it runs better then ur air mass meter has failed had the same problem
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3 people thought this was helpful

Solution #3

posted on Aug 26, 2009
Not Rated)

ardspositive

Rank: Apprentice 
Rating: 0%, 0 votes
I recently Bought a 318is 1996 E36 the engine is very sluggish, i took it to a mechanic who informs me that the engine had been changed to a 318i engine withh the computer boxes be different?
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