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WPC Treated Rod Bearings BMW M3 S54 E46 (2001-2006) Upper & Lower Set
$112.99 – $147.99
Fitment Information
- BMW M3 E46 (2001, 2002, 2003, 2004, 2005, 2006)
Specs & Features
- We take a standard BMW bearing shell and give it the WPC treatment, a microscopic shot-peening of the bearing
- Removes high spots and imperfections
- Improves fatigue resistance
- Increase the surface’s oil retention abilities for more lubrication
- Safer than a coating and will not decrease clearances
- Preserves the factory bearing’s metallurgy
Rod bearings are a typical wear item and critical on high revving engines like the S54. The WPC treatment will prolong bearing life and reduce friction, however, bearings are still a wear item. There is no official replacement interval from BMW, and the last design revision seems to last a long time, but we feel comfortable recommending a preventative replacement every 100,000 miles. Track your bearing wear with regular used oil analysis and plan on rod bearing replacement some time in your engine’s future.
Bearings are sold by size. These are the standard 49.0mm inside diameter size. Replaces original BMW part numbers 11247835440 and 11247835439.
Note: connecting rod bolts cannot be re-used. They are stretch-to-yield and must be replaced.
Price is for the set of 12 bearings for the S54 I6.
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