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do it yourself
I put in my ESS over 3 weeks ends last winter when the car was in the garage and it ended up fine - great support from the company and easily done with some tools that a lot of people have.
how about 40% - 330 to445 HP
Search ess install
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2006 M COUPE - 380 total production, 1 of 40 Imola Red produced for NA , ESS 455 Supercharger, Speedhut Gauges, VPM CLS wheels, 19" Hancooks, Stromung Exhaust, Carbon fibre accessories and black and white badging,  |