BMW M42/M44 BMW M42/44 lighweight Flywheel £450.00 BMW M44 rocker geometry correction kit (high lift kit) £810.00 BMW M42/44 V1 head porting £750.00 BMW M42 wiring loom adapter £366.00 BMW M44 wiring loom adapter £346.80 ECU Master Classic series £670.80 ECU Master Black series £922.80 BMW M42/M44 Stage 2 £800.00 BMW M42/M44 Stage 3 £1,450.00 BMW M42/M44 Stage 4 £3,950.00 BMW M42/M44 V1 Cams £550.00 BMW M42/M44 V2 Cylinder Head £1,650.00 BMW M42/M44 V3 Cylinder Head £2,500.00