http://forums.bimmerforums.com/forum/showthread.php?p=12637656#post12637656

Boss,

What's the offest on the E21 wheel?

Thanks.

20mm - same as E30.

Boss,

What's the offest on the E21 wheel?

Thanks.

20mm is incorrect. Stock offset is et12-13

20mm will require hub-centric spacers in the front to clear the tie rods on a 7" wheel, however 6.5" may clear but I can not verify this. You may be able to get away with no spacer on the rear.

Do these have a 57.1mm centerbore?

Customers that bought them reported not needing spacers but you should be safe with 5mm spacers in front.
They have a 67mm bore and come with 4 hubcentric rings to reduce it to 57.1mm.

20mm is incorrect. Stock offset is et12-13

20mm will require hub-centric spacers in the front to clear the tie rods on a 7" wheel, however 6.5" may clear but I can not verify this. You may be able to get away with no spacer on the rear.

Do these have a 57.1mm centerbore?

For some reason or other in previous threads I thought you had the et13 offset, and was hoping I was just verifying that.

The cost adder if spacers are to be used makes the deal a bit less appealing.

I'll ponder....

We've also sold 17" x 7.5" ET20 Kopi wheels to E21 owners with no rubbing issues (no spacers used), so there is no reason why the 20mm offset 15" x 6.5" Kopi wheels should not work without spacers.

For some reason or other in previous threads I thought you had the et13 offset, and was hoping I was just verifying that.

The cost adder if spacers are to be used makes the deal a bit less appealing.

I'll ponder....

^ Thats very, very unlikely.

^ Thats very, very unlikely.

agreed... 17's might clear the tie rods... 15's don't

You may be correct - we've sold quite a few sets of the 15" Kopis to E21 owners - not sure if they used spacers in front.
This photo is of a customer's car with 17" Kopis and no spacers - before it was lowered.
http://members.shaw.ca/nick86/day_kopi.jpg
agreed... 17's might clear the tie rods... 15's don't

17's are quite possible. 15's at that much of an offset will get AWFULLY close to the tierod. It might be possible. But that's pushing it.

We've also sold 17" x 7.5" ET20 Kopi wheels to E21 owners with no rubbing issues (no spacers used), so there is no reason why the 20mm offset 15" x 6.5" Kopi wheels should not work without spacers.

I've seen pics of E21's using Kosei K1's, which were 15x7 ET20, I don't recall the threads they were in mentioning spacers, so I imagine it should work. If I believe the simple math I did, relative to wheel/fender spacing those 15x6.5 would sit just where my 14x6's do spacing wise. That's good for the fronts, but I'd like the rears to come a bit farther out. I don't suppose you have 15x7's in that wheel?

Btw, those 17's are ugly on the E21, but to each his own.

They only come in 15" x 6.5" and yes, I agree, the 17's don't look good on the car but looked a lot better after the owner lowered it.

I've seen pics of E21's using Kosei K1's, which were 15x7 ET20, I don't recall the threads they were in mentioning spacers, so I imagine it should work. If I believe the simple math I did, relative to wheel/fender spacing those 15x6.5 would sit just where my 14x6's do spacing wise. That's good for the fronts, but I'd like the rears to come a bit farther out. I don't suppose you have 15x7's in that wheel?

Btw, those 17's are ugly on the E21, but to each his own.

The reason it doesn't look right because of lack of lip. E21 needs wheel with lip! Those wheels look like FWD wheels.

This looks pretty good to me:
http://homepage.mac.com/grapeos/kopi.JPG
http://www.bimmerwerkz.com/forum/attachments/3-series-e21-e30/7150-aplina-rims-alpina_kopis.jpg?

Those look okay.

But I think each to his own I guess I still prefer wheel with lip like BBS RS, OZ Futura, Borbet, etc.

This looks pretty good to me:
http://homepage.mac.com/grapeos/kopi.JPG
http://www.bimmerwerkz.com/forum/attachments/3-series-e21-e30/7150-aplina-rims-alpina_kopis.jpg?


Yeah well that is not an E21.

http://members.shaw.ca/nick86/day_kopi.jpg

that's a train wreck.

Sorry

I agree 100% that the 15" Kopis look better on the E21.

that's a train wreck.

Sorry