Unfortunately, the S54 engine used in early 2001-2003 E46 M3 and MZ3/4 cars was released with a rod bearing failure problem. The factory addressed the issue with a rod replacement, but there is still room on the table for a better bearing solution.
Our treated rod bearings are not coated – coatings too often add too much material and interfere with proper tolerances, causing more problems than they solve. The bearings we use in our kits have been treated with a process that smoothest the grain structure in the surface of the bearing. The treated surface also aids in oil retention, providing more lubricity in this critical area of the S54 engine.
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California Emissions Regulations:
Please be aware that certain products offered on our website may not be street-legal in California and may not comply with the state’s stringent emissions standards as regulated by the California Air Resources Board (CARB). Products not CARB-approved are intended for off-road or competition use only.
By purchasing any products from this site, you acknowledge and agree to comply with all applicable federal, state, and local laws, and you assume all responsibility for the installation and use of the products in accordance with these regulations. Epic Motorsports is not liable for any violations of these laws.
For more information about California’s emissions regulations, please visit the CARB website.