#188mm_diff_upgrade

The Strength you need for your BMW Rear Differentials!

Ok BMW Race Fans! Racing Diffs has some goodies for you aswell! Introducing the BMW Rear Differential Steel Cap Upgrade!

Available for the E20-E30, E36-Z3 and E46 M3 these “LSD Steel Caps” address a lot of issues with breakage of standard the 168mm limited slip differential caps and allow a serious level of performance to be achieved for the 188mm rear differentials.

Their heavy duty construction…