Thread: N55 5" CPE Downpipe Dyno
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      01-16-2013, 08:07 PM   #5
Mike@N54Tuning.com
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Drives: 2007 335i, 2015 M3
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Quote:
Originally Posted by mashimarho View Post
How come the 135 with the ISO JB4 had 389 whp and 470 WTQ?
It has an intercooler and the DCT puts more power to the ground vs. the steptronic. The 135i also has half the miles.

Mike
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