Quaife Limited Slip Differential QDF10N for BMW -
A direct replacement for the standard open differential, the Quaife ATB Helical LSD transforms your cars performance and handling. Unlike a conventional plate-style limited slip differential, the Quaife ATB Helical LSD differential relies on gears rather than clutch plates for its operation, meaning it is much smoother in operation and has no wear items. This means the Diff is a fit and forget part, no rebuild is required for the life of the differential
To install this, the old open differential requires machining off the stock ring gear to allow the new Quaife differential to be bolted in place. To do this there is an additional £750 + VAT surcharge that will be required to be paid before any parts are sent. This amount is refunded on return of your original final drive assembly. Alternatively you can send your original final drive for the installation to be carried out on that unit. This can take around 7 working days.