Quote:
Originally Posted by nothingman
I've had several motors built back in my SR20 days with forged rods and pistons, so I've been through the process. Although there are plenty or reputable engine builders out there, finding one that will follow the tighter clearance tolerances required of high performance engines can be tough. Looking for a builder with BMW experience would be a good start. Here are a few I've found:
• ABR in Houston
• Ghassan Automotive
• Bavarian Rennsport
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I don't know anything about any of the shops listed, but there was a real comical thread about Ghassan in the F10 forum.
https://f10.m5post.com/forums/showthread.php?t=1704138