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      03-28-2018, 11:48 AM   #9
houtan
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Drives: 2011 135i
Join Date: Jun 2013
Location: socal

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2011 135i  [9.85]
Quote:
Originally Posted by cesarortiz23 View Post
My car only has jb4 and dp and a 4 gallon e85 mix and my clutches tend to slip already
Like if I'm on 2nd and drop to first and wot it will slip throw me in to second instantly

I'm interested in knowing what is a next stage or just put a new clutch pack ?
The next stage is to upgrade your car by removing the JB4 . Next best thing would be to install the BMS BEF so your TCU sees actual boost. Grab a long and look at what the DME boost value is. Your car is boosting 15psi, your TCU is seeing probably 5psi, so it doesn't apply much clamping force.

You are not near the power limits of the factory clutchpack. If you do decide to do the MHD BEF, you may as well uninstall the JB4 and go flash only. Get a custom tune from Ken at Wedge your car will run much better.
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