BMW M54 - M50 chain tensioner upgrade to the hydraulic

 Oil filter thread 3/4UNF , ports AN10 , M12x1,5 threaded hole for sensor 

King Racing main bearings.
For BMW 6 cylinder engines - 2.0 2.2 2.3 2.5 2.7 2.8 3.0 3.2 (M20 (just for variant with two bearing locks), M50B20, M52B20, M50B25, M52B25, M54B25,  M54B30, M50B27, S50B30, S50B32, S52B32, S54B32)

Top Ring: 1.0mm (.039)
Second Ring: 1.2mm (0.47)
Oil Ring: 2.8mm (.110)
Bore size: 85mm