RacingDiffs All Solutions Limited Slip Differential SpecificationsManufactured by RacingDiffs this clutch-type limited slip differential for BMW is one of the highest performing on the market. Extremely versatile as suggested by its name All Solutions it is suitable for all types of motorsports such as drifting rallying hill climbing circuit time attack... It is also perfectly compatible with a street use.The differential is fully adjustable: it offers the choice of the number of active clutches initial preload and ramp angles. The lock is easily adjustable from 25% to 100% both on 1.5 or 2 ways. To do this you can change the clutches/discs order for example from A-B-A-B... to A-A-B-B... in order to increase or decrease the lock percentage. You can also change the angle of the ramp by simply rotating the cross-pins to a different position in order to modify the lock progressivity of the differential (dry or progressive locking see video below).Thanks to the almost infinite variations and combinations possibilities of this differential you can modify the handling of your vehicle very precisely so that it perfectly meets your needs. It offers a true all-in-one solution and allows you to switch from one configuration to another (drift to rally for example) without having to replace the unit. Proven in competition this differential benefits from an excellent manufacturing quality and has been designed to withstand the most extreme conditions of use.Here are some examples of set-ups for specific applications:Drift : 2 way (30°/30° ramp angle) - maximal number of active clutchesRally (gravel) : 1.5 way (30°/60° ramp angle) - maximal number of active clutchesCircuit (grip driving) : 1.5 way (50°/65° ramp angle) - maximal number of active clutchesStreet driving : 1.5 way (50°/65° ramp angle) - number of active clutches may vary (check diagram on the last picture)Video explaining how to adjust lock available on the manufacturer's YouTube channel: click here to watch.Several variations of this differential exist depending on your BMW model. If you are not sure of the compatibility with your vehicle feel free to contact us.Please note: Original BMW output flanges part number 33131214068 required for M3 E92 M5 E60 and M6 E63/E64 and part number 33131214087 for M3 E46 and Z4 M.Unit contents:4 or 6 moly-ceramics clutches with 4 or 6 Dog ear steel plates2 spring shimsMulti-variant pressure plates with 3 different ramp options: 50°/65° 30°/30° 30°/60°Billet steel housing heat-treated for high durability