MMR 4-pinned single piece crank hub for BMW N55 & S55
MMR 4-pinned single piece crank hub for BMW N55 & S55
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Description
MMR 4-Pinned Single Piece Crank Hub | BMW N55 & S55
Upgrade your BMW's engine reliability with the MMR 4-Pinned Single Piece Crank Hub, designed specifically for N55 and S55 engines. This UK-made, CNC-machined billet EN36 steel hub is heat-treated for maximum strength, ensuring long-lasting durability and performance.
Precision-Engineered Single-Piece Crank Hub
The MMR crank hub features a one-piece design with four aerospace-grade precision dowels that mechanically lock the hub to the end of the crankshaft, eliminating any risk of friction plate slippage. Included is a brand-new OE crank bolt for secure installation.
Professional Installation Kit Included
Installation of the 4-pin crank hub requires professional expertise. To assist, the kit includes a full installation jig with:
- Bolt-on drilling guide
- Location bolt for guide alignment
- High-speed HSS drill bit
These tools ensure precise crank modifications are performed safely and accurately, giving you peace of mind that your engine is fully protected.
Reliability & Performance Benefits
- Single-piece design prevents friction plate slippage
- Four-pin dowel system secures hub to crankshaft
- Heat-treated EN36 billet steel for ultimate strength
- Includes new OE crank bolt
- Full installation jig ensures safe, precise fitment
Vehicle Fitment
- Series: 1-Series, 2-Series, 3-Series & 4-Series
- Chassis Codes: F2x, F3x, F80, F82 & F87
- Model Years: 2011 - 2021
- Model Variants: M135i, M235i, 335i, 435i, OG M2, M2C, M3 & M4
- Engine Codes: N55 & S55
Always verify fitment with your specific vehicle before purchase.
Enhance your BMW's engine reliability and performance with the MMR 4-Pinned Single Piece Crank Hub — the ultimate solution for N55 and S55 engines.
Klarna Payment
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Clearpay Payment
Make your purchase more affordable with Clearpay's interest-free installment plan. Pay for your order in 4 equal payments, taken every 2 weeks. The first payment is made at checkout, with no interest or hidden fees when you pay on time. Instant approval decision with no impact on your credit score for on-time payments. Perfect for budgeting your shopping while getting what you need today.
