E46 M3 Schrick DLC-Coated Rocker Arm / Cam Follower
Schrick has developed this high performance rocker arm based on the original factory E46 M3 rocker (cam follower). Schrick coats the contact pad with a DLC coating for reduced friction and improved reliability. The stock S54 rocker arm is un-coated. With more aggressive camshafts there is much higher force and friction on the contact pad which will not only induce more wear on the rocker arm but also lead to higher temperatures and thinning of the oil in a critical spot. The Schrick rocker is preferred over the stock part with any of the more aggressive S54 cams (304/296 or high lift, etc). The DLC coating is extremely hard (DLC = Diamond-Like Coating) but with a graphite content that allows for low friction levels. The DLC coating resists oils and chemicals so it's perfect for an internal part like a cam follower.
New rocker arms are required with any new camshaft installation. Sold per rocker arm.
This item fits the following BMWs:
2001-2006 E46 BMW M3
2001-2002 Z3 BMW Z3 M Roadster M Coupe
2003-2008 E85 BMW Z4 M Roadster M Coupe
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