Comes with "Preloadrr" flange tool only, use your own spring balance gauge.
Will fit BMW 3 E30 Series 4 bolt differential flanges only.
Pinion bearing preload information is supplied with our BMW diff rebuild kits, this tool is designed to help you measure the preload during rebuild.
Please see other tool for 3 bolt flange and "Nut" type flange preload gauge.