There is an important part in your car named crankshaft thrust washer. The crankshaft thrust washer is not a technically washers, but bearings that just look like washers. The location of the crankshaft thrust washer is between the rotating component and a stationary component, and the crankshaft thrust washer acts to keep the rotating component in place by giving it something to brush up against if it starts to move sideways. The crankshaft thrust washer, like some main bearings, is a flat bearing. However, the crankshaft thrust washer in your car can be failing one day over time. Some of parts are checked during the routine service and regular maintenance, but except this, you are supposed to know the symptoms of a failing part and check it in time. Once you decide to change, you are glad to offer you BMW genuine OEM crankshaft thrust washer with a discounted price.