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Description
Engine failures caused by the standard three-piece crank hub on S55 & N55 engines are completely resolved with the MMR Performance 4-Pinned Single-Piece billet Crankhub. This Crankhub locks onto the end of the crankshaft and prevents the friction plate from slipping, preventing expensive engine repairs. This kit includes a CNC-machined EN36 hardened steel crank hub, four aerospace plugs, and an OE bolt. For motors with high power and torque, this 4-pin version is the ultimate solution.
• CNC machined from a single piece of EN36 steel
• 4-pin lock for ultimate security
• Prevents friction plate slippage
• Includes OE bolt and installation template
• Suitable for BMW M2C, M3, M4, M2, M135i, M235i, 335i, 435i with S55/N55 engines
Contents:
MMR – 4-Pin Crankhub
Item number: MMR20-1004
Guarantee
MMR Performance offers a one-year warranty against manufacturing or material defects, excluding normal wear and tear or misuse. This warranty does not cover the installation of the products. Customers must provide us with a valid proof of purchase, and any defects or damage resulting from wear and tear or misuse will only be repaired or replaced; refunds will not be given. All products are inspected or tested by MMR Performance Ltd or the manufacturer before any adjustments are made for warranty claims. Customers are responsible for selecting a reputable installer with current liability insurance to cover any installation damage. MMR Performance's listings or recommendations of installation providers on the website or elsewhere shall not constitute a basis for liability. Regardless of any other provision in the agreement, MMR Performance's maximum combined liability is limited to the payments made by the facilitator under this agreement for the specific product that caused the alleged damage.
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