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Thread: ITR Z3 rebuild thread

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  1. #33
    Join Date
    Aug 2005
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    1,717

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    Tonight I placed the main-bearings in the block and inserted the crank, but have hit a road block. It seems my Bently manual doesn't have torque specs for the bottom end. So I need torque specs for the main bolts, rod bolts, main cap truss bolts, maybe even the piston oil jet bolts. Would these be on the ETK disk? I'll probably need to get one sooner or later, rather get it later than sooner though. So can anyone help me with these specs for a M-52 aluminum block single vanos?

    Update.....
    Nevermind, I've found a pdf of the specs from google. Good thing I ordered new main cap bolts as they're torque to yield just like the head, rod, flywheel, and cluch cover bolts. They're not here yet of course, but I'll assemble the bottom end without torquing the caps and when I get the new main cap bolts I'll torque the caps down then. Next the pistons will go in and torque the rods cap bolts.
    Last edited by Z3_GoCar; 09-15-2009 at 02:09 AM.
    STU BMW Z3 2.5liter

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