M3 stock wheel size?

[Brian 89 325i]

My brain took a shit on me and i cant seem to come up with the stock wheel and tire size on an M3? Help

Brian

[Bill 84 318i]

15x7 and I think et30.

[Jonathan M3]

What Bill said, and the stock tire size 205/55/15

[Brian 89 325i]

Cool thanks, if i swap to 5 lug on my car all the Offset and width rules still apply right?

Also whats the offset on the e28 caps?

Brian

[Jon325i]

Brian...

The U.S. E30 M3 had standard 15x7 wheels with an ET27 offset and weigh approx. 15-16lbs. each. I recently asked Dave Adams about this since I've got an E30 M3 suspension/brakes thing in the works for my car. From what Dave tells me, if you roll your fenders, you can run a 225/50 size tire on these wheels for the standard-bodied E30. Dave did this and he said he had no clearance issues.

The E28 wheels have a different offset (somewhere between 20 to 25 if I'm not mistaken) so you may not be able to run a 225 width tire. Perhaps a 215 instead? Lastly, The E30 M3 had optional 16x7 wheels with the same ET27 offset. These are much harder to find but if you do, you could run a 225/45 tire package at all four corners. The 16" wheels from the E28s look identical to these, but just like comparing the 15s, they have a slightly different offset so the ultra wide tire could not be used. However, they will fit.

HTH

Jon

[Bill 84 318i]

Looks like the 15x7 wheels were et30 and the 16x7.5 wheels were et27.

[Jon325i]

Dang-nabit!!!! That ETK has won again! :x

Jon

[Brian 89 325i]

Does anyone know the offset on the E28 caps? Im planning to runs performance all season tires on those untill i can get some nice rims. then ill do some fat rolling and get some 16x7 or somthing with a 225 tire.

Brian

[Jonathan M3]

The ETK quotes the E28 wheels with an et20 offset.

[808BMW]

Im planning to runs performance all season tires on those untill i can get some nice rims.

?

[Digitalwave]

I despise all season tires.

[Brian 89 325i]

yeah im not a fan of them either, BUT since i have to drive my car in the rain and enjoy going snowboarding i kinda need them.

Brian 89 325i wrote:
Im planning to runs performance all season tires on those untill i can get some nice rims.


?

I ment i was going to get a more perfomance oriented all season tire untill i can get some better rims and i would run the caps and all seasons in the winter.

Brian