[Bmwdriver22]

Hey guys, I searched but didn't find any definite information so that's why I'm posting here. I am looking for a bolt on exhaust (even just rear section) and also a tuning kit through the obd port. Basically stuff that is easily reversible with minimal effort for warranty purposes.
It would be nice to know what parts my x1 35i shares with other bmws since aftermarket seems to be limited at this time. Thank you.