Permanent fix for that leaking rear main seal
2X Entries Into Our F80 M3 Sweepstakes
Permanent fix for that leaking rear main seal
2X Entries Into Our F80 M3 Sweepstakes
Permanent fix for that leaking rear main seal. Includes recommended installation tool and Dirko sealant to complete the job.
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
08-10-2026
"Dual pulley" gains without the hassle! Easily increase supercharger RPM by 22% and support up to 550HP.
10X Entries Into Our F80 M3 Sweepstakes
For use with OEM (63.25mm) Supercharger Pulley.
"Stage 2" Software Required for Compatibility
This product was last offered at the strikethrough price on
06-13-2026
Provides broad range control of destructive crankshaft torsional vibration for optimum horsepower and durability
Spin the supercharger faster without affecting the accessory drive system
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This product was last offered at the strikethrough price on
06-13-2026
Includes a OE Crankshaft Pulley with the necessary install hardware.
10X Entries Into Our F80 M3 Sweepstakes
Increases boost for "dual pulley" tune power levels without replacing the press-on supercharger pulley for an easier install.
Requires stage 2 dual pulley ECU tune
Permanent fix for that leaking rear main seal
Eliminates the problematic two-piece design and rubber isolator found in the stock crank pulley while reducing the mass of the motor's rotating assembly.
*To be used with 'Stage 2' software or software specific to a supercharger crank pulley upgrade*
Also referred to as the rear main seal
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Permanent fix for that leaking rear main seal. Includes recommended installation tool and Dirko sealant to complete the job.
10X Entries Into Our F80 M3 Sweepstakes
Increase supercharger rotational speed to provide more boost to your engine
2X Entries Into Our F80 M3 Sweepstakes
*Stage 2 software required after install. See ES4266021
Increases supercharger RPM by 26% when paired with IE 57.5mm overdrive supercharger pulley
Requires 57.5mm SC pulley and stage 2 dual pulley ECU tune
Includes Crank Pulley Bolt
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
05-29-2026
Eliminates the problematic two-piece design and rubber isolator found in the stock crank pulley while reducing the mass of the motor's rotating assembly.
*To be used with 'Stage 2' software or software specific to a supercharger crank pulley upgrade*
Larger diameter pulley increases the speed at which the supercharger spins, increasing the boost pressure output
*NOTE: This kit must be used with appropriate "Stage 2" performance software.
This product was last offered at the strikethrough price on
09-29-2026