BMW E46 Weld-On Kit for Quickchange Differential

Winters Quickchange differentials are highly sought after in the drifting world, particularly for competition-ready cars where rapid gear changes and reliability are crucial. Unfortunately they're not a bolt-on upgrade on any car out there.  We designed this kit to ease the installation process of your new differential. You won't have to fabricate any additional components. The only fabrication work required is cutting the subframe and welding our plates on it. This kit is engineered to ensure precise alignment of the differential with the driveshaft and axles. What's included? We provide all the necessary steel plates to install your new differential on your subframe. We also include the hardware you need to fix our plates. Does it fit my car? Designed to fit a 10" ring gear Winters Quickchange differential on the BMW E46 rear subframe.  Compatible with the M3 subframe, though additional trimming is required for proper fitment.