funfer_fahrer
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Hello everybody. I am planning to do chip tuning for my 2001 E39. Once installed I should be getting a slight increase in horsepower that is from 192 to 208 bhp, improved fuel economy, better throttle response for my throttle-by-wire and better driveability. Any of you guys tried this before? The company is based in Glenmarie. The tuning is done online from Austria. http://www.upsolute.com/ Any feedback and testimonials are most welcomed. Thanks.