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Old 06-03-2010, 03:29 PM   #15
Join Date: May 2009
Location: Planet Earth
Posts: 217
MarkD, whats the info for M54B30 tune.
What kind of gains are we looking at? increased redline? better fuel mileage? ever need to retune or update once its installed.
Please educate me.
Thanks a lot, btw my car is a e39 530
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