Nice! Looks like you're getting to the exciting part! AFAIK, once you get the subframe out bob' your uncle, easy access to turbos, oil pan, whatever down there...
Looks like a nice engine support- not the average harbor freight special. Share what, where and how much? Like it?
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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