1 x M6 stud for battery connection

and USB tuning port

optimal weight distribution

15mm Intake / 11

Throttle position sensor

BMW N63 S63 Connecting Rod Set, Pro-Xtreme Small End:Tapered 1 x M6 stud for5150 AutoSport Pro Xtreme Connecting Rods, manufactured by CP Carrillo, are designed to handle extreme horsepower and high RPM applications for BMW N63 and S63 Engines. Constructed from high strength, aircraft grade steel, these connecting rods are engineered to withstand the forces generated by high performance engines. Unique to 5150, these rods were also designed with optional tapered small end to ensure compatibility with factory OEM pistons.