I purchased a set E31 8-Series M-System II "Throwing Star" Wheels for my '95 E34 5-Series. I assumed all "Throwing Star" Wheels were the same and didn't know about the difference in offset until I found this very informative post:
http://bimmer.roadfly.org/e31/messa...1w05/12223.html
My question:
The E34 5-Series: M-System II "Throwing Star" Wheels have a 20 mm offset in the front (8 X 17) and a 22 mm offset in the rear (9 X 17). The E31 8-Series M-System II "Throwing Star" Wheels have a 10 mm offset in the front (8 X 17) and a 19 mm offset in the rear (9x17). What do I need to have for the E31 wheels to work with my E34 BMW? What damage, if any, could I do to the tires if I install the E31 wheels on my E34?
Please help. These wheels were just refinished and I'd hate to have to sell them and wait for the opportunity for the E34 wheels, a rear commodity, to become available again.
Thanks in advance,
David
The wheels from the E31 will obviously stick out 10mm farther at the front. You MAY get some tire rub on the fender lip, depending on how low the car is. You can also roll the lip of the front fender to prevent the tire from digging into it.
James Muskopf
RRT Racing
DC Metro's premier BMW service and racing facility
You may have an issue with the fronts, especially if you are lowered, but the rears are definitely not a problem. I have absolutely no rubbing on my e34 and I run 17 x 8.5 Hamann HM1's with 13mm offset.
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