King Engine Bearings BMW B58B30A Performance Rod Bearing Set (Size +.50)

King Engine Bearings is well-known for making solid engine components, and their rod bearings are a popular choice for builds that need reliable performance. This set is specifically for the BMW B58B30A engine and comes in a +.50 size, which is important if you're rebuilding or refreshing an engine where the crankshaft journals have been machined to this size. These bearings are built with a silver-based material, offering a strong foundation for your engine's connecting rods.

When you're working on an engine like the B58B30A found in various BMW models, including the 340i, 440i, and 740i, ensuring the connecting rod bearings are in good shape is crucial. These bearings sit between the connecting rod and the crankshaft, handling significant loads and friction. This set is designed to handle the demands of performance applications, providing a durable interface that helps protect your crankshaft and maintain proper oil clearance. The +.50 sizing means they are intended for use with a crankshaft that has been turned down by 0.050 inches to ensure a fresh, perfectly sized surface for the new bearings.

If you're rebuilding a BMW B58B30A engine, this set is a solid option to consider. They fit a range of BMW vehicles from around 2016 to 2020, so be sure to check the full fitment list to confirm compatibility with your specific model. Proper installation is key, so always refer to the manufacturer's service manual for the correct procedures and torque specifications.