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2Addicts | BMW 2-Series forum Technical Topics Wheels and Tires -- Sponsored by The Tire Rack Will m14x1.25 to m14x1.5 conversion bolts be okay?

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      06-30-2020, 04:08 PM   #1
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Will m14x1.25 to m14x1.5 conversion bolts be okay?

It's impossible finding spike lugs for my m14x1.25 converted bolts

So I think I'll have to change then again cause the common size is m14x1.5

Now will this be a issue for mounting the wheels?
I'm not familiar with bolt sizes and I don't know how much of a difference 1.25 vs 1.5 will do?
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      06-30-2020, 09:04 PM   #2
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Quote:
Originally Posted by Rahstyles.Com View Post
It's impossible finding spike lugs for my m14x1.25 converted bolts

So I think I'll have to change then again cause the common size is m14x1.5

Now will this be a issue for mounting the wheels?
I'm not familiar with bolt sizes and I don't know how much of a difference 1.25 vs 1.5 will do?
If you are saying that you have a stud kit that is m14x1.25 you can not use m14x1.5 nuts on them. Thread pitch might seem to be close enough, but they will have a lot of resistance and strip.

There are stud kits that convert the outer part to m14x1.5 though if your only option for nuts is m14x1.5
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      07-01-2020, 09:41 AM   #3
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Tom at Core Motorsports was very helpful with some of my Q's about wheel lugs/bolts, might give him an email to see what they suggest - they mostly do conversions to press-in studs, but very knowledgeable. When I need to pull hubs for anything I'm going to go for a conversion. Bottom line is that any screw-in studs are going to be inferior to bolts in terms of strength, so you may be better off staying with lug bolts (but longer if you are using spacers). www.Core4Motorsports.com
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