[adjojonegoro]

I’ve just ordered these tires for my 2011 335i xDrive:

Sumitomo HTR III
235/35/19 (F) – 816 Revolutions Per Mile
275/30/19 (R) – 811 Revolutions Per Mile

The since it’s an AWD, I made sure the front-to-back rolling diameter difference is less than 1%. With the above setup, it is actually 0.02%
However, I only realized later after ordering some here have suggested that the front and rear RPMs must be as close as possible, even ideally not more than 3 RPMs difference.

The newly ordered tires would have a 5 RPM difference front/back.

1. Will this cause AWD problems?
2. Should I change the rear tire to 265/35/19 (818 RPMs)? By doing so, I would reduce the front/back difference to 2 RPMs, but at the same time increase the rolling diameter difference to 0.8%
3. What’s more important, maintain a closer front/back rolling diameter match or RPMs?

Thanks