View Full Version : New to Bimmerfest
10-13-2002, 05:10 AM
I am interested in finding out who in Baltimore, Md does the best modifications on BMW's? I also want BMW to still honor factory warranty?
I am considering for my 2001 540i 6-speed a cold air box kit,
exhaust upgrade? and positive traction rear end.
10-13-2002, 06:06 AM
As far as I know Dinan mods do not void the warranty and are offered at BMW dealerships. Dinan has exhaust and CAI for sure, not sure about the "positive traction rear end". Call your dealer! :)
10-13-2002, 06:27 AM
Thanks, Dinan seems to be the consistant answer I am getting from a lot of different areas.
11-02-2002, 03:49 PM
Dinan has a limited slip differential - same as "positive traction". You might also want to consider the M5 LSD instead. It's cheaper. Quaife is a third choice.
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