BMW M3 Performance Engine Internals
BMW S50B30/B32 87.00mm X 1.80mm MLS Spartan
Spline Lock Crank Hub, OEM bolt, OEM Oil pump sprocket, OEM oil sprocket retainer Included.
2X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
09-03-2026
Mounted on the front of the cylinder head
This product was last offered at the strikethrough price on
08-26-2026
Cometic MLS Head Gasket for S58 Engines (0.055" Thick)
Swap Out Your Rod Bearings With 5150's S54 Rod Bearing Kit!
Early Model S54 Engines up to 02/2003 production date
Includes ARP Rod Bolts!
Add functionality and durability to your engine bay
.25mm Oversize Rod Bearings
Secure the safety of your engine with a Crank Bolt Capture Plate.
Replace your Stock Main Bearings with 5150's Upgraded Alternative!
Swap Out Your Rod Bearings With 5150's S54 Rod Bearing Kit!
Late Model: S54 Engines after 02/2003 production and later use M10 Bolts.
For Late Model S54 Engines after 02/2003 production
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
05-02-2026
The strongest and smoothest bearings for your BMW, featuring heavy-duty ACL "Duraglide" bearing shells treated by WPC for reduced friction and enhanced durability.
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
06-13-2026
Two required per valve, necessary for use with certain supertech valves
Mounted on the front of the cylinder head