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Old 12-30-2012, 11:24 AM
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the540wgn the540wgn is offline
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Location: San Jose, CA / Littleton, CO
Join Date: Jul 2011
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Mein Auto: '11 335xi/'02 540iT
Originally Posted by Matthew540i View Post
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.
Don't know any e39ers that have the G-force Chip
Most of these "chips" are complete garbage

Better mileage -> higher octane fuel
More hp -> VF supercharger or M5

ColdWeather + Summer + Sport -- 20/30 Ceramic Tint -- Euro Armrest -- JL 13tw5-3 Subwoofer -- LED AEs

Last edited by the540wgn; 12-30-2012 at 11:26 AM.
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