No the kit does not come with a MAC solenoid and is not required for an install

5150 AutoSport’s High-Performance Coated Rod Bearing Sets for BMW S54 engines are designed to meet the rigorous demands of high-performance builds

XMXTPAG1301

and/or boost controllers

The Nissan RB engine is a family of inline-six-cylinder engines produced by Nissan

OS Giken SuperLock LSD, BMW Z3 M 12639 No the kit does notOS Giken SuperLock LSD for BMW Z3 M Precision Limited Slip Differential Upgrade Enhance the performance and drivability of your BMW Z3 M with the OS Giken SuperLock LSDa track proven limited slip differential engineered for smooth, predictable engagement and superior traction under load. This advanced LSD features OS Gikens patented pressure ring system and spline through side gear design, allowing up to twice the number of friction plates compared to