Quote:
Originally Posted by DL335D
Quote:
Originally Posted by Bubbles
Quote:
Originally Posted by DL335D
This is driving me nuts. 2 new noises in 2 days! That has to be some kind of record.
Around 3,300 until 3,800 my engine makes a strange ticking/grinding sound (no check engine light). Notice how it goes away and smooths out after 3,800 and all you hear is that wonderful induction sound.
Any ideas? Vanos?
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Worn motor mounts or exhaust may have a backed out bolt or something is rubbing on the heat shield. Get it on a lift to check. |
Car has new motor mounts. I'll check the exhaust tomorrow.
Quote:
Originally Posted by Scrippy
Nothing wrong, what car did you have before this?
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2018 F80 ZCP and before that 440 Gran coupe. I've had quite a few NA cars. E39 540, 350Z, fJ80 Land Cruiser, Spec Miata and prob over 30 others. Yeah...I know...I have a serious car obsession. |
The reason I asked what car you had before was due to the S65 characteristics of noise. I came from a 335 and I thought my M3 had an exhaust leak as well as noisy valves because I was used to the much smoother N54. I was shocked how rough the S65 sounds but as I became more familiar as well as heard other M3's, I realized this motor is just a noisy fucking sewing machine but I still love it!