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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > General E90 Sedan / E91 Wagon / E92 Coupe / E93 Cabrio > What this noise?



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      09-22-2016, 10:34 AM   #1
reckedhim
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What this noise?

My car is a making a ticking noise that I just started to notice Tuesday after work. When the car is idling it can be a little rough. Sometimes it feels like there are slight surges. When itís idling there is a loud-ish ticking sound. When I first heard it, I was parked between two cars and I thought the sound I heard was a helicopter flying overhead. I turned the car off and found that that sound was the car. When Iím accelerating I can hear the sound too and when I let of the gas and coast the sound is there as well and I can hear it when I drive down a street with cars parked on either side since the sound is bouncing off the cars.

Could it be the injectors? I had one bank replaced at the beginning of this year so is it likely the other three are on their way out? Should I try replacing spark plugs and coils? Itís been awhile since Iíve changed the spark plugs so Iím sure itís due anyway.

Iím not getting any codes so itís hard to figure whatís causing the noise.
Any help/suggestions would be great. Thanks!
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      09-22-2016, 07:14 PM   #2
reckedhim
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anyone?
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      09-23-2016, 12:15 AM   #3
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Have you opened the hood (and removed the engine cover) to try to isolate the precise location the noise is coming from?
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