This bimetal (aluminum silicon base) main bearing set is specifically designed for BMW N20B20 engines. It's a perfect fit for multiple BMW models from 2012 - 2018, including 228i, 320i, 328i, 428i, 528i, X1, X3, X4, X5, and Z4 series. Ensure a smooth - running engine with this high - quality bearing set.

Using this main bearing set is straightforward. First, make sure your engine is turned off and cooled down. Then, carefully remove the old bearings. Install the new bearings in the correct position according to your engine's specifications. When handling the bearings, avoid scratching or damaging them. For maintenance, regularly check the engine oil level and quality. Clean or replace the oil filter as recommended by BMW. If you notice any unusual noises or vibrations from the engine, stop using the vehicle and have the bearings inspected.