Hi
One Month Ago i had my bmw 318d remapped.
Now it makes a Weird whining noise when it is cold from appeoximately 1500 rpm.
It has only 90 thousand kilometers.
When engine is warm it goes away?
What can this be.?
Hello and welcome to the forum! Are you able to post a clip of this noise - it'll be easier for us to help out that way. Other than the noise, how does the car perform?
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It's not the remap.
Likely either an intake leak, or a failing pulley.
Chris Powell
Racer and Instructor since, well. decades, ok?
Master Auto Tech, owner of German Motors of Aberdeen
BMWCCA 274412
German Motors is hiring ! https://www.bimmerforums.com/forum/s...1#post30831471
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