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      03-05-2017, 07:29 AM   #38
JJZ4MR
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Drives: 06 Z4M Roadster
Join Date: Nov 2016
Location: Largo Fl

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The large plate on bottom of motor. In preparing to get my new constant pressure valve seal replaced I came across info on the 8 bolts that hold it in. Yes they are tightened to a particular torque, then turned an additional 90* and MOST people will say, they are NOT reusable. I'm not reusing them and shop owner confirmed this. I thought that using a 10.9 hardness rated bolt ( instead of OEM 8.8 ), would only make this better/stronger. This info is discussed when researching replacement of mounting bracket bolts being a known weak point of the motor mount issues. I purchased the mounting bracket bolts from Tri City, because I had all the dimensions. Maybe I should just stay with the OEM on the plate, just figured if I'm doing this, go with the best/strongest.
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