01-03-2017, 02:44 PM | #1 |
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Converting Wheel Bolts to Studs
Anyone know the length of the stock wheel bolts off the top off their head or what size stud they went with when they converted?
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01-03-2017, 03:07 PM | #2 | |
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Just FYI, F-series cars and E70 X5's are 14 x 1.25 mm lug bolts (designated as M14) |
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01-04-2017, 07:14 AM | #3 |
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To answer your question, stock bolts are generally described as being 25mm in length, whether or not they're M12/M14 in diameter or 1.25/1.5 in pitch.
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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) |
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01-04-2017, 07:51 AM | #4 | |
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I have the choice between 45mm and 60mm for studs, 20mm of which is the thread for the hub/rotor clearance. |
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01-04-2017, 09:08 AM | #5 | |
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Unless you're dead set on closed ended lugnuts, I'd run the 60s. Although, I think people can still get some closed ended nuts on 60s. 45 seems a bit short. 60 is common, as are longer lengths. http://www.m3forum.net/m3forum/showthread.php?t=332304
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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) |
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01-10-2017, 01:23 PM | #11 |
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01-10-2017, 08:29 PM | #13 |
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Here I did one, not seated fully, probably another 5-8mm left to screw into the hub.
50mm (total length) studs with regular open lug nuts would be about flush with the nut when seated. |
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