The lower links are replaced with a single arm

The factory units simply cannot dissipate enough heat to keep up with prolonged performance driving

as they require 145 mm Rods

It's a common problem with the factory plastic charge pipes to crack under pressure

engineered

CP-Carrillo Connecting Rod Set, BMW B46 Pro-Xtreme 4314 The lower links are replaced5150 AutoSport Pro Xtreme Connecting Rods for BMW B46 Engines Enhance your BMW B46 engine with 5150 AutoSport Pro Xtreme Connecting Rods by CP Carrillo. Designed for high performance applications, these rods are engineered to withstand extreme horsepower and high RPM demands, making them ideal for turbo builds, drag racing, or street strip applications. Product Features and Benefits Rated for up to 1200 horsepower, ensuring exceptional durability for