BMW DOHC 4 cyl. and 6 cyl. engines and VANOS Variable Timing Control System BMW DOHC 4 cyl. and 6 cyl. engines and VANOS Variable Timing Control System Applications BMW: M42/M44 4 cyl. 1.8/1.9 DOHC engines M50 6 cyl. 2.0/2.5 DOHC non-VANOS engines M50/M52 VANOS engines BMW 316iS/318 Ti Compact (91-), 320i/325i, 520i/525i with M42, M44 and M50(-92) engines * AST4424 Adjustment Plate is used to achieve specific timing adjustment on M44 engines M3 (92-), 320i/323i/328i, 520i/523i/528i with M50 VANOS, S50, M52/S52 (92-) engines.