Quote:
Originally Posted by fw_fw
Bumpstops
Front Bumpstop (OEM E36 M3) - BMW Part Number 31332225377 (x2)
Rear Bumpstop (OEM E84 Z4) - BMW Part Number 33536770350 (x2)
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There are no front external bumpstops when you move to the Bilsteins. There are internal stops inside the strut housings.
It's pretty easy to open it up and trim it down if you want to be sure you won't bottom out.
But you can't fit an OEM bumpstop over an inverted strut, the "shaft" is like 3x as thick. Nor would you want to with the internal stops.
Regarding the rear shock install, I just pulled the control arm bolt so avoid having to compress the shock any significant amount. But the zip-tie method is probably easier/quicker.
My part numbers would be the same as yours, but I trimmed the factory rear stops, and added an M3 vert rear bar.
Rear Bar is 33552283962
Bottom bushings halves 33552283709
Top Bushings halves bushing 33552283710
Brackets 33552283714
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'02 S54 M3 (500/500 GC/Koni)
'08 N54 135 (JB4, DCI, BMW PS/Bilstein B6s, H&R M3 FSB, Strongflex FCABs)
'14 N55 X1 (JB4, BMS DP, BMS Intake, Alpina TCU reflash, H&R Sports, Bilstein B6s, E93 M3 RSB, Strongflex FCABs, baby seat)
'08 N54 535xi touring (Bilstein B6s, Downpipes, MHD tune, baby seat)