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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Wheels and Tires Forum Sponsored by The Tire Rack > What size wheel bolts do I need with 5mm spacers?



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      04-24-2015, 12:32 PM   #1
07chupacabra
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What size wheel bolts do I need with 5mm spacers?

I suppose a good question can be what is the stock wheel bolt size?
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      04-24-2015, 12:59 PM   #2
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Just buy a wheel spacer & stud kit
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      04-24-2015, 01:35 PM   #3
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Quote:
Originally Posted by MassBimmer View Post
Just buy a wheel spacer & stud kit
lol you still need to pick an appropriate length stud yo. What specs you got for dat!?
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      04-24-2015, 01:40 PM   #4
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Quote:
Originally Posted by FCobra94
Quote:
Originally Posted by MassBimmer View Post
Just buy a wheel spacer & stud kit
lol you still need to pick an appropriate length stud yo. What specs you got for dat!?
Many companies offer wheel spacer and stud kits that pair properly matched spacers and studs. The length of the stud varies depending on the width of the spacer.
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      04-24-2015, 01:54 PM   #5
07chupacabra
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Problem is I've already got 5mm spacers and I want to go somewhere local and just gets the wheel bolts I need.
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      04-24-2015, 02:01 PM   #6
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On our cars, with the threading, full engagement is 7-8 turns. A 5mm spacer is going to take up about 3 turns since our threading is 1.5. So if you have less than 10 turns on the stock bolts before the spacer, you'll need longer bolts.

Plenty of people run spacers without extended bolts and don't have full engagement. It'll work a lot of the time, but if your wheel falls off on the highway, you'll know why.

Easiest thing to do would be to take a stock wheel bolt to the shop and get one that's about 5mm longer.
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      04-24-2015, 04:11 PM   #7
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Quote:
Originally Posted by MassBimmer View Post
Many companies offer wheel spacer and stud kits that pair properly matched spacers and studs. The length of the stud varies depending on the width of the spacer.
The same can be said for spacers that come with longer lug bolts...that still doesn't answer any of the questions though.
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      04-25-2015, 01:52 AM   #8
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Quote:
Originally Posted by 07chupacabra View Post
Problem is I've already got 5mm spacers and I want to go somewhere local and just gets the wheel bolts I need.
Stock bolt has about 25mm thread so with 5mm spacer you need 30mm thread. Bolt is 60degree conical seat 12x1.5 with 17mm head.
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