Synchrotech MFactory Helical LSD - BMW - MF-TRS-05E46A 5/16" Proprietary high temperature coatings along

Proprietary high temperature coatings along with embossments provide a micro seal for fluids against the head and block surface

The outlet side uses the stock o-ring which seals over the throttle body inlet

Wiseco 92mm Black Anodized Piston Ring Compressor Sleeve Tool - RCS09200

and includes our magnetic drain plug to collect any metallic debris in your cooling system

0L Si Coupe

Synchrotech MFactory Helical LSD - BMW - MF-TRS-05E46A 5/16" Proprietary high temperature coatings alongMFactory Helical LSD BMW E92 E46 (188mm Ring Gear) BMW E46 325i 328i 330i 1998 2006 (AT MT) with ratio 3. 15 or greater BMW E8X Z4 2. 2i 2. 5i 3. 0i 2002+ (AT MT) with ratio 3. 15 or greater BMW E8X 120i 128i 130i 2004 2013 (AT MT) with ratio 3. 15 or greater BMW E60 525i 540i 1996 2003 (AT) BMW E8X 135i Sept 2007 2013 (AT) BMW E9X 325i 328i 330i 2004 2013 (AT MT) BMW E9X 335i Sept 2007+ (AT)