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Rear spring disassembly - BN1


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I'm trying to disassemble my BN1 rear springs. Of course, I can't get the screws that hold the clamps to come loose. Are these screws available? I don't see a number for these in the parts list.

Rear spring screw.jpg


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My BN6 original springs have similar flathead screws which, on my car, are 1/4-28. Was never able to find exact replacements, but did find 1/4-20 and 5/16-18 flatheads at FMW fasteners:

After removing the screw, you might be able to punch the area around the hole and re-thread it to 1/4-20. Or put a nut on the screw.
I'm currently running British replacement springs which use small bolts and nuts in place of the flathead screws.
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