Upgrade your BMW M3 with this high - quality King crankshaft main bearing set. Designed specifically for the BMW S65B40A engine from 2008 - 2013 M3 Base models. It comes in a +0.25mm size and includes a set of 5 bearings, ensuring smooth engine operation and long - lasting performance.

Using this bearing set is straightforward. First, make sure your engine is turned off and cooled down. Remove the old bearings carefully. Then, install the new bearings one by one, making sure they fit snugly. When it comes to maintenance, check the bearings regularly for any signs of wear or damage. Keep the engine oil clean and change it according to the manufacturer's recommendation. If you notice any strange noises or performance issues, stop using the vehicle and have the bearings inspected right away. This will help keep your BMW's engine running smoothly and extend the life of the bearings.