BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i) - View Single Post - Anyone had the "shift bog" on a stock or tuned 1M ?

Fundahl · 05-30-2012, 12:00 PM

It's a boost targeting issue with the DME. I've tuned most of it out with the JB4, but the faster you shift the more likely it is to happen.

I say ditch all this vacuum canister shit for a single GTX3076 and run a conventional waste-gate!

05-30-2012, 12:00 PM	#6
Fundahl Captain 8 Rep 704 Posts Drives: VO 1M, 300zx TT Join Date: Mar 2011 Location: Corpus Christi, Texas iTrader: (0)	It's a boost targeting issue with the DME. I've tuned most of it out with the JB4, but the faster you shift the more likely it is to happen. I say ditch all this vacuum canister shit for a single GTX3076 and run a conventional waste-gate!
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