829102 is a crankshaft locking andholding tool is designed to lock thecrankshaft on the N47 (2.0L) and N57(3.0L) diesel engines from 2007found in the BMW range. It isspecifically required when replacing orrepairing the secondary drive chainson the engines listed.Additional Camshaft or Balance shafttooling may be requiredEquivalent to OEM 11 4 320. Please carry out an up-to-date cross reference test for thespecific vehicle on our Website For the professional engine repair For locking the crankshaft or camshaft and injectionpump Very high degree of accuracy In foam inlay in a durable BMCS (Blow mould case storage)