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Hartge ECU
Well I am pretty excited, have an appointment to bring my car into Hartge in January for them to install their ECU for my 550. Been hemming and hawing over this for some time. Thanks Cidair for your feedback. I plan on letting the forum know how my experience went with some photos and my impressions afterwards.
Power increase is from 407 hp to 490 hp. Torque is from 600 Nm / 442 lbft to 720 Nm / 531 lbft.
So far my experience has been top notch with Jörg.
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2014 550i M-sport
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