6 cyl BMW M52 / M54 Pro-H 3/8

Designed for BMW M54B30 engines with 135mm rod length

Mishimoto's catch cans are different from most air-oil-separator (AOS) systems on a few levels

000 hours of data (at 1 KHz)

2 × AN-8 ORB fuel rails for BMW S65

OS Giken SuperLock LSD, BMW E31 640 6 cyl BMW M52 /OS Giken SuperLock LSD for BMW E31 840i 840Ci 850Ci 850CSi Precision Limited Slip Differential Give your BMW E31 the performance it deserves with the OS Giken SuperLock LSD. Engineered for BMW 840i, 840Ci, 850Ci, and 850CSi models, this advanced limited slip differential enhances traction, cornering control, and overall drivabilityon both street and track. Unlike typical LSD units, OS Gikens patented pressure ring and spline through side gear design