Thread: 550i with Supersprint exhaust
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      05-02-2011, 05:33 AM   #16
delvek
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Drives: 2014 550i Msport
Join Date: Apr 2010
Location: Tampa, FL

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Cid, having ACS springs and exhaust put on my 550 next week. Was curious how your feelings on the Hartge ECU are still? Any problems? thoughts?

Thanks
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