S54 Connecting Rod Bearings

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S54 connecting rod bearings.

For the s54 this is the rod bearing. But the problem is much more likely to happen in the s54 s65 and s85 for a few specific reasons. We have seen these types of failures in a wide variety of engines from subaru ejs to newer bmw s63s. The wrist pins connecting the pistons to the connecting rods are lubricated by oil splashing around.

S54 engines up tp 02 2003 production use the m11 bolts. For another engine it might be the rod or the cylinder wall or something else. 2005 e46 m3 98k miles. To supply the highest quality bearings available in the marketplace.

The xp series is a line of bearings with advanced metallurgical and geometric technologies that meet extreme performance loads. Oil changes at low intervals along with replacing rod bearings pre preemptively will lead to a long living engine. The mighty and powerful bmw s54 has an achilles heel it s rod bearings. Connecting rod bearing failure is catastrophic on any engine and will typically leave the vehicle in need of a complete replacement engine.

For s54 s there s also a spray of oil into the bottom of the piston for cooling. Available in standard size and std x with additional oil clearance as well as 0 025mm and 0 25mm oversizes. That also means plenty of oil splashing around. It takes approximately 15 minutes to review the content of the cd.

Pressurized oil flows up to the connecting rod bearings from the main bearings. Car exhibited no signs of bearing wear before the event had good oil. While our s54 rod bearing widening solution is a great way to save engines that have already spun a bearing we believe the s54 engine will run a long time on stock bearings if the proper maintenance is performed. As great and powerful as bmw made the s54 engine they left it lacking in a critical area it s rod bearing reliability.

King engine bearings was founded in 1960 with one simple objective. Our s54 treated rod bearing upgrade kit for late model engines 02 03 is the ideal solution for one of the only drawbacks of the legendary s54 motor. King racing xp series big end connecting rod bearings for the bmw s54b32 engine. Unfortunately the s54 used in e46 m3 and mz3 4 cars was released with a rod bearing problem in earlier 2001 2003 model years which often leads to failure.