Evolve Pinned Crank Hub - BMW F87 M2 Competition | F80 M3 | F82 | F83 M4 (S55) | F87 M2 (N55)

The Evolve Pinned Crank Hub is designed to eliminate one of the most common issues with BMW’s S55 and N55 engines – crank hub slip. By replacing the weak factory hub with a precision-engineered 2-piece, 4-pin design, you protect your engine from timing errors and costly rebuilds. This upgrade is the ultimate preventative solution for both tuned and stock BMWs.

Key Features & Benefits

• High-strength EN36 material – same grade used for automotive crankshafts
  
  

• 2-piece 4-pin design – ensures secure engagement with the OE crank
  
  

• Durability under stress – engineered for high horsepower and track use
  
  

• Peace of mind – prevents crank hub failure that can cause major engine damage
  
  

• Professional-grade kit – includes drill bit and alignment guide for precise fitment
  
  

• Made in the UK – built to the highest quality standards
  
  

Vehicle Compatibility / Fitment

• BMW F87 M2 Competition (S55) 2018–2021
  
  

• BMW F80 M3 (S55) 2014–2018
  
  

• BMW F82 M4 Coupe (S55) 2014–2020
  
  

• BMW F83 M4 Convertible (S55) 2014–2020
  
  

• BMW F87 M2 (N55) 2016–2018
  
  

Technical Specifications

• Material: EN36 heat-treated steel
  
  

• Construction: 2-piece with 4-pin interface
  
  

• Finish: Precision-machined for exact tolerances
  
  

• Included tools: Drill bit and alignment guide
  
  

• Manufacture: Made in the UK for strength and consistency
  
  

Installation Information

• Tools required: Standard automotive tools plus supplied drill bit and guide
  
  

• Estimated install time: 5–7 hours with engine front dismantling
  
  

• Professional installation strongly recommended
  
  

• Other upgrades (downpipes, spark plugs, etc.) can be fitted at the same time
  
  

Performance Gains / Why It’s Needed

BMW’s factory crank hub design has a known weakness that can lead to hub slippage. When this happens, timing shifts, causing anything from poor performance to catastrophic engine failure. The Evolve Pinned Crank Hub solves this issue with a mechanically locked, pinned design. This ensures long-term reliability, especially on tuned or hard-driven cars, giving enthusiasts peace of mind whether on the road or track.

What’s Included in the Kit

• 1x Evolve 2-piece pinned crank hub
  
  

• Drill bit for pin installation
  
  

• Drill bit alignment guide
  
  

• All required hardware
  
  

Warranty & Guarantee

• Manufacturer-backed warranty against defects
  
  

• Returns accepted for unused kits in original packaging
  
  

The Evolve Pinned Crank Hub is a must-have BMW S55 crank hub fix and N55 preventative upgrade. By upgrading this critical component, you protect your engine investment and unlock safe, reliable performance. See also our BMW Engine Protection Upgrades for complementary solutions.

FAQs

Q1: Why is the stock crank hub a problem?
The OEM hub can slip under load, especially on tuned cars, leading to timing issues and possible engine damage.

Q2: Do I need this if my car is stock?
Yes. Failures have been reported on completely stock engines, so this is a preventative upgrade for all owners.

Q3: Can I install this at home?
Installation requires specialized tools and experience. Professional installation is strongly recommended.

Q4: Does it come with everything needed?
Yes, the kit includes the hub, pins, drill bit, and alignment guide.

Q5: Will this affect daily drivability?
No. Once installed, the upgrade is invisible in daily use but provides long-term reliability and security.