M42club.com - Home of the BMW E30/E36 318i/iS
DISCUSSION => Engine + Driveline => Topic started by: bmwconnect on April 14, 2010, 10:55:29 PM
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I pulled one of my head bolts today thinking I was going to grab some ARPs but then I notice grade12.9 on the bolt. This surprised me naturally . Can anyone confirm they are actual 12.9 spec, stock on the M42?