This is because ZDDP and Detergent are both surface active - they compete for the same space

Please note that these Pro-H style connecting rods are designed to fit Porsche 964 RSR engines with 127 mm Rods and 23 mm Pins

8 Rows of Maximum Cooling with a High Density Multi-Louvered Fin Pitch Design

BMW E36 Inner Tie Rods Required

BMW VANOS Timing Spline Shaft 11-36-1-738-468 Camshafts This is because ZDDP andBMW part #11361738468 is a timing spline shaft for BMW M50 M52 S50 S52 and S54 engines. It directly interacts with the VANOS system by maintaining tension on the chain that drives the camshaft sprockets, including the sprocket connected to the VANOS (Variable Nockenwellensteuerung) unit. The timing spline ensures the timing chain stays taut, allowing the crankshaft to transfer rotational motion reliably to the camshaft sprockets. One of these