Quad exhaust that offers performance gains of RPI
08-31-2009, 11:54 AM
#11
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My Ride: Silver Grey 2007 530i
ECU flash is on my to-do list. Probably will have it done in conjunction with the exhaust depending on the progs warranty in regards to dealer software updates/overwrites.
08-31-2009, 12:27 PM
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My Ride: Silver Grey 2007 530i
Originally Posted by theXman' post='994056' date='Aug 31 2009, 01:22 PM
Another option is to put a dummy on the right with RPI ont
the left.
the left.
Eh, no offense to those who went this route, but that way seems like a waste of money
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