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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 > Jolt at 40 mph in drive



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      10-17-2024, 07:43 PM   #1
davideg07
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Drives: 2008 Bmw 335xi
Join Date: Jul 2024
Location: New Jersey

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Jolt at 40 mph in drive

Hey guys so I have a 2008 BMW 335xi
FBO W 17ts

I have index 12 injectors

The current tune I have on the car was before the injectors

I have a minor cylinder 4 misfire on coldtarts

After it warms up it’s good, but when I’m driving normally at 40mph in D, I feel like it’s jolting and the exhaust sputters a little. But this doesn’t happen in sport mode ever.

I have a stage 4 XHP tune as well

So my thoughts are to get a retune and do stage 3 xhp because stage 4 is way too aggressive.

I just did the coils and spark plugs, and the injectors are brand new.

Do you guys think I have an issue or could it really be because of the tune.

Last edited by davideg07; 10-17-2024 at 08:16 PM..
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