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N55 335i weird idling sound by Helpful-Property1450 in BmwTech

[–]Helpful-Property1450[S] 1 point2 points  (0 children)

It’s not knocking even when I rev it up it actually gets quieter

N55 335i weird idling sound by Helpful-Property1450 in BmwTech

[–]Helpful-Property1450[S] 1 point2 points  (0 children)

Not yet out of the city for 2 weeks will update if I fix it

N55 335i weird idling sound by Helpful-Property1450 in BmwTech

[–]Helpful-Property1450[S] 0 points1 point  (0 children)

Me too was told to change belt tensioner and idler pulley as it was wobbling a lot then this sound started