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      01-20-2020, 02:07 PM   #74
K-Fab
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Drives: 2020 BMW M2 Competition
Join Date: Aug 2019
Location: North Scottsdale, Arizona

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Quote:
Originally Posted by mcgarnigle View Post
Does the main hoop drill into the floor with plates, or does it bolt to an existing location (like the seatbelt mounts).
As stated above.
Rear down bars bolt into the seat belt retractor mounts, using the OEM fasteners and the legs are held in with three nut/bolt/washer. You drill three holes in the floorboard for each leg - outer rear is not mounted.

There are three or four 8mm head screws on the bottom of the car and five or six push pin retaining clips along the bottom edge of the belly pan just at the rear of the door - pull them and then pull down on the belly panel (discovered some swearing seems to help at times) and you can get to the location of the nuts. It's a tight fit but doable.

They supply nice zinc coated Grade 8 hardware and large washers to spread the load over the floor. Only thing I'd change is going to a shorter bolt than they supply - about half an inch of thread is just sticking out and there for nothing more than threading over. As a rule, you only need 1.5 to 2 threads extending out of the nut.
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