Crank Hub Bmw N55

Fix N55 crank hub issues with 5150's 4-pin upgrade-4340 billet steel, heat-treated, and built for boost. Includes BMW crank bolt. Precision OEM fitment.

Issues relating to the OE three-piece crank hub found in the S55 and N55 engine are unfortunately widely known. Thankfully, these issues are addressed with the MMR Performance one-piece billet crank hub. The OE crank hub unit's friction material is well known to slip, causing the timing to alter enough that piston-to-valve contact can occur and, if not totally standard and within the warranty.

Failed crank hubs have been a common ailment of the N54 / N55 / S55 family for the last 15 years, leading to crankshaft spin, causing skipped timing and potentially catastrophic engine damage. The VAC Motorsports 4 Pin Crank Hub is more exact than OEM due to precise engineering and careful CNC machining. Issues relating to the OE three-piece crank hub found in the S55 and N55 engine are unfortunately widely known.

Thankfully, these issues are addressed with the MMR Performance one-piece billet crank hub. Additionally, pairing the single piece crank hub with the optional MMR capture plate ensures complete peace of mind. * Price is shown without VAT and shipping costs.

Reinforced crank hub for BMW engines. Now we offer two versions - for N54 engine and for S55 / N55 engines. Stock crank hubs in these engines are common problems when reaching for higher power.

It tends to break or spin independently causing severe damage to the engine. Our upgrade solution is made for high quality materials, tested by our. BMW N55/S55 "Spline Lock" Crank Hub - Vargas Turbo VTT-CRANKHUB-1-N55-S55 VTT is proud to offer the only complete N54, N55, S55 complete crank hub solution that does NOT require the crank to be drilled for pins.

Upgrade your BMW's reliability and performance with the Insane Performance Single Crank Hub Kit. Precision-engineered from high-strength steel, this kit fits N54, N55, and S55 engines, including popular models like the M3, M4, and M2 Competition. Available in 2-pin and 4-pin designs, it includes all necessary components for a reliable and high.

The stock crank hub in BMW N54, N55, and S55 engines is a well-known weak point. Under higher power, it can slip or spin independently, leading to severe engine failure. Engine failures caused by the standard three-piece crank hub on the S55 & N55 engine are (unfortunately) well known, but these are fully addressed with the installation of the MMX Performance 4-Pinned Single-Piece billet Crank Hub, together with the option of adding our Capture Plate for ultimate security.

MMX Perf. BMW ONE PIECE CRANK HUB (N54, N55, S55).