Quad exhaust that offers performance gains of RPI
Thread Starter
Members
Joined: Jul 2009
Posts: 76
Likes: 0
From: Bay Area, CA
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.
Thread Starter
Members
Joined: Jul 2009
Posts: 76
Likes: 0
From: Bay Area, CA
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
Thread
Thread Starter
Forum
Replies
Last Post
brian1225
E60, E61 Parts, Accessories and Mods
8
Jul 12, 2004 06:59 AM