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Search: Keyword(s): ; Posts Made By: Matthew540i
Forum: E39 (1997 - 2003) 12-30-2012, 09:29 AM
Replies: 2
Views: 405
Posted By Matthew540i
e39 1997 "g-force" performance chips?

Any advice on increasing performance with these type chips?
Do any work without damaging engine?
Looking for better mileage and/or horsepower.
Any info would be appreciated...
Thank you.
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