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      09-21-2023, 10:07 AM   #108
drwillb
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Drives: e30 M3, e30 M3, e46 M3
Join Date: Aug 2008
Location: northern NJ

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Quote:
Originally Posted by us722 View Post
Hi. Do you know how much wider is M3 rear suspension vs 135? Ie say I put in rear subframe from m3 with all extra bits, how much wider do the wheels sit
It's been 3 years so I'm going from memory.

If you are doing a full swap with LSD, axles, and M3 hubs then the face of the hubs end up 10mm inboard of the 135 hubs. That's 10mm per side. So, the width is actually narrower but it offers much more options for wheels. Track width is still limited by the fenders.
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2012 135i Mods: air scoops, CP, K&N filter, PS1, ADE FMIC, BMW PE, JB4, 1M front body, full M3 suspension front and rear, M3 brakes front and rear, M3 rear subframe and LSD
Owned so far: 88 M3 x 2, 95 325is, 95 M3 x 2, 06 Mini Cooper S, 08 335 xi, 09 Z4 35i, 01 M3, 12 135i
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