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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Suspension | Brakes | Chassis > Cross-threaded Spindle Installing rear Wishbone



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      12-18-2018, 06:16 PM   #1
PARANOlD
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Angry Cross-threaded Spindle Installing rear Wishbone

Hi, was on the last bolt of my M3 rear control arm install today and reached the top hole in the spindle for the upper wishbone that takes this bolt:

Securing Bolt: 33306795821

Anyway - it was slightly cross threaded so I used some muscle and tried to get it back on track. After backing it out, I could tell the threads on the bolt are messed up, which means the spindle is too.

Are there any options for drilling this out and putting in a new bolt? Has anyone done this? I'd like to avoid replacing the spindle, obviously.
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      12-19-2018, 10:33 AM   #2
FCobra94
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Peeps have had good luck using a Time-Sert on the lower spindle area when toe arm installs go awry; the top one should have enough room for you to drill it out and just put a nut on it though.
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      12-19-2018, 12:09 PM   #3
PARANOlD
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Yeah good call. Maybe I'll just go get a longer M12X1 and nut and just drill it out.
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      12-19-2018, 01:37 PM   #4
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Try to drive the bolt from the other side to fix the damaged treads first. If that does not work longer bolt with nut will do at FCobra94 said above.
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      12-19-2018, 02:38 PM   #5
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I screwed that thread up earlier this year, but only the first 2/3 threads. I was able to save the existing thread by running a tap in the original size. I'm not sure you can run a bolt through the other end; iirc the thread ends just before the hole on the other end.
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