ya know... I do my own work, and one of the side benefits of that is that the mechanic is always easy to find and force to claim responsibility when things get borked up....
You, and your dealer, may just be the exception to my rule.... Lucky bastid...
My mechanic is less expensive tho
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1and1
135i - E82.N54 2009 BSM - MHD / xHP / DCI, PR CP & 7.5" Race IC / N55 mid & Borla
. . WL RSFI, Koni, Eibach & Dinan CP's, M3 CA's / EBC Red's & Firehawk 500's
X1 - E84.N20 2013 MGM - JB4 - The Wife's, now with new turbo & ewg