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      09-20-2015, 09:28 AM   #6
PrematureApex
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Drives: N55 X1, N54 135, s54 m3
Join Date: Jan 2008
Location: Philadelphia

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Quote:
Originally Posted by bmwstve View Post
thanks for the replies! but is JB4 compatible with X6 N55?
Quote:
Originally Posted by BMW GENIUS View Post
Are you running a Catless downpipe without a tune? A JB4 would be the best route to go with that Downpipe.
I don't believe it is, no. Go with the stage I, you'll love it.
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'02 S54 M3 (500/500 GC/Koni)
'08 N54 135 (JB4, DCI, BMW PS/Bilstein B6s, H&R M3 FSB, Strongflex FCABs)
'14 N55 X1 (JB4, BMS DP, BMS Intake, Alpina TCU reflash, H&R Sports, Bilstein B6s, E93 M3 RSB, Strongflex FCABs, baby seat)
'08 N54 535xi touring (Bilstein B6s, Downpipes, MHD tune, baby seat)
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