Quote:
Originally Posted by solidsleeper
What would be your mod goals for the car?
Basically all the FBO N55 e90/135i mods are direct fit with the X1 N55. Only thing that X1 lacks is catback exhaust options (Supersprint is the only option I'm aware of for direct fit, some take 135i exhaust options but need to be modified to fit). Coilovers/springs are available but pretty limited on options.
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i found the CTS chinese exhaust option also but have yet to see it installed
supersprint is pricey have downpipe ready to install inspection due now. in texas