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2Addicts | BMW 2-Series forum Technical Topics N55 (M235i) Engine, Transmission, Exhaust, Tuning Noise from short shifter?

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      03-20-2020, 05:57 PM   #1
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Drives: M235i 6MT EB
Join Date: May 2018
Location: Ontario, Canada

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Just bought a M235i that has an aftermarket short shifter. Didn't realize this on the test drives but it makes a sound when going from 1st to 2nd only under load shifting quickly. I think it also happened one time from 2nd to 3rd when I was really pushing it.

My first thought was the synchros but the noise sounds nothing like a grinding syncho and I don't feel anything in the shift knob. I took a spin with the BMW shop foreman and he definitely agrees it's not a synchro and is thinking this is somehow related to the short shifter.

I don't know what short shifter it is. The sound is sort of like a camera shutter and it happens right after I put it in gear.

What do you guys think? Anyone seen this before?

This thing rips! Very happy I chose an F22.

Edit: Of course I do some Googling and apparently what's happening is normal. What I read is that when you switch from a regular shifter to a short shifter there is actually a more direct connection with the transmission and the synchro noise is more easily transmistted. Would love it if someone could validate this for me and put me at ease. Thanks!
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