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      04-05-2012, 09:51 PM   #9

Drives: 2013 4S, 2015 3500 HD Dually,
Join Date: Dec 2006
Location: Maple Valley, WA

iTrader: (1)

I didn't figure the question was about tuning the DCT, rather what ESS had available for the E89 w DCT. I asked them the same question directly and got the below response. But your r right, it's odd that they call it the stage 1 when it makes the same power as their stage 2 for non DCT trannies.

Per Asbjorn w ESS-
"The DCT version of the Z4 3.5is can only take the power of the Stage 1 (400chp, ~350rwhp). Any more and the DCT clutches can not handle it in the long run."
'16 235i
'15 3500 HD Dually
'13 C4S