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I was going to get a square set of OEM ZCP 359 wheels (ET 31) 19X9 .

I've spent hours going through the forums but can't find a conclusive answer. I have a E90 LCI Msport 335 x-drive. It's on stock suspension and I don't plan on lowering the car.

Ideally I would run a 235/35 in the front and a 265/30 in the rear which is the recommended set up. Here's my confusion.

Running the calculators with an ET 31 and a 265/30 tire my rears will sick out 11 mm over the stock set up. From what I've read depending on the tire sidewall thickness it could be ok but it is not a recommended set up. I think the most aggressive you could go is a ET 33 on a 19X9.5 wheel with a 265/30 tire without rubbing issues.

I also read that you can run a 10-15 mm spacer on the e90 LCI with no rubbing issues with the stock 255/35/18 (et 37) wheels. So wouldn't that make the 365/30/19 ET 31 set up acceptable?

(One of the threads in question http://www.e90post.com/forums/showthread.php?t=803161)


In the front it will stick out 8 mm more and should be fine from what I've read.