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      02-07-2022, 03:13 AM   #3
rtl32
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Drives: M235i 6MT
Join Date: Nov 2020
Location: NJ

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Interesting, take a look at your shifter when you load/unload the engine. Does it lean to the right when you load it? Mine does, moves maybe 3/4- a full centimeter over when I give it spool up a bit in second gear. No clunk or thump but I do notice that in 4-5-6 gear if I’m below 3400 rpm and whack the gas it will surge up a small bit, maybe 100rpm, I’ll hear my BOV hiss a little air and the tach will fall lower to the appropriate rpm. I always just thought this was an overboost situation because of the aggressive ots tune + lugging situation but it might be the same as yours- if we are actually just spinning the trans+diff combo on their soft stock mounts.

Can you post a video of the behavior? I’ll get one tomorrow and post it too.
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