BMW 3-Series (E90 E92) Forum - View Single Post

Bbox · 12-11-2013, 04:07 PM

Right now I have a 2006 330 with the Style 162 staggered 18" rims. But at least 2 or 3 of them are bent. So I want to downgrade to 17" rims, specifically the Style 286 from a newer E90.

Old --------------------> New
Front 225/40-18 -----> 225/45-17
Rears 255/35-18 -----> 255/40-17

The rears would have the same rolling diameter, but the fronts would be a tenth of an inch smaller in diameter. Would this screw up the FTM tire monitors? (I have FTM, not TPMS).

Also, the rims are the same width (8/8.5 staggered), but the new ones have different offset (34/39 instead of 34/37). This means the rears would be pushed in by 2mm. Would I even notice this?

12-11-2013, 04:07 PM	#1
Bbox Enlisted Member 4 Rep 48 Posts Drives: 06 330i sedan Join Date: Aug 2013 Location: Bay Area iTrader: (0)	Tired of 18's, want to downgrade to 17 Right now I have a 2006 330 with the Style 162 staggered 18" rims. But at least 2 or 3 of them are bent. So I want to downgrade to 17" rims, specifically the Style 286 from a newer E90. Old --------------------> New Front 225/40-18 -----> 225/45-17 Rears 255/35-18 -----> 255/40-17 The rears would have the same rolling diameter, but the fronts would be a tenth of an inch smaller in diameter. Would this screw up the FTM tire monitors? (I have FTM, not TPMS). Also, the rims are the same width (8/8.5 staggered), but the new ones have different offset (34/39 instead of 34/37). This means the rears would be pushed in by 2mm. Would I even notice this? Last edited by Bbox; 12-11-2013 at 04:22 PM..
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