For engine builders and enthusiasts pushing the limits of the BMW M52TU series

For engines exceeding 800+ horsepower

they resist stretch and prevent engine damage by keeping your connecting rods securely fastened to the crankshaft

1mm  Valve Lift  Application  263° Intake / 257° Exhaust   10

45mm Exhaust   Rally / Race  303° Intake / 293° Exhaust   13

BMW M50 M52 S50 S52 Steel 8.5in Flywheel SFi For engine builders and enthusiastsTilton Engineering Steel Flywheel BMW M50 M52 S50 S52 Larger diameter. Greater inertia. Smoother power where it counts. Tilton Engineerings 12lb steel flywheel is a high performance upgrade for BMW M50, M52, S50, and S52 engines, engineered with a larger diameter than the OEM flywheel. This added size, combined with its 12 pound mass, provides increased rotational inertiatranslating to smoother, more consistent power delivery across the rev range.