BMW wheels on an fbody
BMW wheels on an fbody i remember seeing a thread on here about someone fitting BMW wheels on an fbody, but i searched and cant find it. i found the fbody bolt pattern size and all, but i cant find the bmw bolt pattern (its an M3).
would they work with an adapter?
would they work with an adapter?
I remember Tony making a post saying not to do that because the studs would all be off just a hair. But that would be enough to stress them to the point of breaking off eventually.
The lugnuts are designed to center the studs in the lug holes, however if the studs are not the correct pattern they will have a sheer force on them when torqued.
The lugnuts are designed to center the studs in the lug holes, however if the studs are not the correct pattern they will have a sheer force on them when torqued.
Originally Posted by KCFormula
I remember Tony making a post saying not to do that because the studs would all be off just a hair. But that would be enough to stress them to the point of breaking off eventually.
The lugnuts are designed to center the studs in the lug holes, however if the studs are not the correct pattern they will have a sheer force on them when torqued.
The lugnuts are designed to center the studs in the lug holes, however if the studs are not the correct pattern they will have a sheer force on them when torqued.
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I had a 96 BMW 328ic and yes, the bolt pattern are almost identical. I went to school with another guy who had some aftermarket "camaro" wheels on his 328i and he said he never had any problems. And as far as them cracking under stress, a bimmer that can 'corner out of the box' is a pretty good test IMO. Not to mention how hard he drove it with the rims on... 
Stew
Stew
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Originally Posted by stewbham
I had a 96 BMW 328ic and yes, the bolt pattern are almost identical. I went to school with another guy who had some aftermarket "camaro" wheels on his 328i and he said he never had any problems. And as far as them cracking under stress, a bimmer that can 'corner out of the box' is a pretty good test IMO. Not to mention how hard he drove it with the rims on...
Stew
Stew
In a perfect world, the difference between 120mm and 120.65mm would be important. But in a real world situation, I bet if you measured 100 different factory wheels, you would find that the range in wheel bolt patterns would be 120.65 +/- 2mm. So is it a big deal putting on a set of rims that are off by 0.65mm? In real world terms, NO, in an ideal world, it's not perfect, but we don't live in a perfect world.
To put it in perspective, 0.65mm is equal to 0.026", which is roughly half the thickness of a factory head gasket. That's the difference we are talking about here in bolt patterns. And with a 5 lug, take that difference and divide it by approximately 2 to get the actual difference at each lug nut, and now we're talking about 13 thousands of an inch difference.
To put it in perspective, 0.65mm is equal to 0.026", which is roughly half the thickness of a factory head gasket. That's the difference we are talking about here in bolt patterns. And with a 5 lug, take that difference and divide it by approximately 2 to get the actual difference at each lug nut, and now we're talking about 13 thousands of an inch difference.
Originally Posted by KCFormula
I remember Tony making a post saying not to do that because the studs would all be off just a hair. But that would be enough to stress them to the point of breaking off eventually.
The lugnuts are designed to center the studs in the lug holes, however if the studs are not the correct pattern they will have a sheer force on them when torqued.
The lugnuts are designed to center the studs in the lug holes, however if the studs are not the correct pattern they will have a sheer force on them when torqued.
120 mm vs 120.65 mm. We are talking about 0.65 mm difference, divided by half, meaning each lug would be approx 0.325 mm off of the correct bolt circle centerline.
0.325 mm is very small, probably even closer than the tolerance levels of these lug studs. Look on a metric ruler and see how small 1/3 of a mm is.
120 mm bolt circle (BMW) wheels should work just fine, and have proven to do so on these cars. Just make sure your lugs are torqued properly, to make sure.
o and another thing that tony didnt mention that i think will help would be acorn style lug nuts. they really do help with centering the studs.
that and some correct hub centering rings and your straight
that and some correct hub centering rings and your straight
