829101 has been specificallydesigned to set the balance shafts onBMW engines when the balance shaftshave been disturbed. BMW N40, N42, N43, N45, N46, N49,N52 Equivalent to OEM 11 7 700, 11 5140, 11 9 280, 11 9 330 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)