E46 M3 Rod Bearing Diy

We don t need the invoice from a mechanic stating rod bearing problems just drop a few posts and that s all the proof we need.

E46 m3 rod bearing diy.

Bmw e46 m3 s54 3 2l connecting rod bearing. Bmw gave owners a hassle early on claiming engine failures due to rod bearings were caused by over revving. To be more specific the width of them is relatively narrow compared to other engines that are designed to make that much power. Internal issues are never good.

Bmw began replacing rod bearings in affected s54 engines. Greater clearance and oil flow for less friction and wear. Be bearings performance rod bearing replacement kit. Eventually bmw succumbed to the serious s54 rod bearing issues.

One of the top jobs on our list was to inspect the rod bearings for wear and replace them if necessary. Available in standard size and std x with additional oil clearance as well as 0 025mm and 0 25mm oversizes. A guy with 38 posts thinks his rod bearing is failing because he s hearing an undiagnosed noise from his car. When we first began looking at the s54 knowing its history of rod bearing failure we immediately noticed how small the rod bearings were compared to other engines we d built.

That s because the s54 m3 engine is plagued by rod bearing wear issues so much so that there was a recall from bmw to replace the bearings on early 01 to mid 03 model year e46 m3s like ours. Includes everything needed for a rod bearing service featuring be bearings upgraded rod bearings. Quick add him to the bearing failure registry. Rod bearings are an essential component to proper internal function.

Diy at home on jack stands. Preparing to change the rod bearings on a s54 engine.