There are 4 bolts all the same length along the bottom of the timing cover on the right in the photo. The area looks like an oil slick from a grounded tanker. I have not loosened the AC bracket or the power steering pump yet.

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2001 x5 3.0 (sold with broken motor), 1990 e30 M3, 1991 318is, 2002 325i, 2008 335i Dinan stage 3 6 speed,