Haj can you help me where are i can find complete crankshaft for bmw 316i ?

The dealer can sell you one or any parts store can sell you one also a machine shop can get them you will need the bearings as well, if the crank is damaged you will have to have the connecting rods shaved and fitted and you will have to remove them, since you havve t do this you will want to install new rings and hone the engine bores. And if you want a high performance raceing crank let me know and I will send you to a site where you can buy a high performance equipment for your beamer. Please rate if you find this helpful and post here if you need more information.