Reply With QuoteWhat were they originally made for? I have 15" Type H's on my e28 without hubcentric rings.
2 Grand Master
Borbet Type H - what size rings do I need?
I picked up a pair of borbet type H rims, and I know I need to run hubcentric rings with them. Tirerack only sells rings for rims that they sell, and Borbet is not on the list. I have found other sites that sell rings of various sizes - how do I know which size ring I need for my 525? The rims are 15 inch.
Big Time Poster
What were they originally made for? I have 15" Type H's on my e28 without hubcentric rings.
1989 11/88, M30B35 175k-miles 535iM
1988 04/87, M20B27 153k-miles 528e
1987 01/87, M30B34 126k-miles L6
Washington D.C
2 Grand Master
i don;t know. The previous owner had them on his e34, he said he used hubcentric rings but he had lost them by the time he sold the wheels to me.Originally Posted by Sixdown
Big Time Poster
I believe BMW's, outside of the e39 and z3, have a 72.6mm hub. The e39 has a 74.1mm hub. Measure the inside of the wheel, where it fits onto a hub.
http://www.lakeshorewheelandtire.com...category&id=34
That site has some rings with measurements too.
1989 11/88, M30B35 175k-miles 535iM
1988 04/87, M20B27 153k-miles 528e
1987 01/87, M30B34 126k-miles L6
Washington D.C
4 Grand Master
I think many aftermarket wheels designed after the intro of the E39 have the larger 74mm hub bore making them usable on all the others with hub rings.
I think it a safe bet to order the 72/74 rings if you need them at all.
"The gas pedal wouldn't go to the floor if it weren't meant to be there"
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