Quote:
Originally Posted by SmithsonianX1
I just recently purchased a CPO X1 and would like to add a Dinan stage 2 flash, but was told by the dealer that the flash requires an exhaust upgrade. After looking around I can't find any info on a Dinan exhaust option. How can they require an exhaust upgrade that Dinan doesn't make?
I've got to be mistaken. Can someone help me out?
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There are a lot of tuner who don't sell hard part slike exhausts and stuff.
Any E series (335, 135, etc.) N55 downpipe will work. VRSF or a used BMS.
I think I got my BMS for like $150.
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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)