The Litchfield fix for the infamous 'Crank Hub issue', which affects the 3.0 litre S55 engine found in the F8x BMW M3, M4 and the M2 Competition model is now available. Our solution is two part. When it comes to the BMW M2 Competition, enthusiasts know that this machine is built for performance.
However, like any high-performance vehicle, it comes with its own set of quirks and maintenance needs. One of the critical components that can cause headaches for owners is the crank hub. This part plays a vital role in connecting the crankshaft to the rest of the engine, and if it fails, it.
This blog is all about how to prevent crank hub failure on the 3.0L, 6 cylinder BMW S55 performance engine. The S55 can be found in the following BMW M Cars - F8x BMW M3, M4, and M2 Competition models. You MUST prime the oil system when the work is completed and before starting the engine.
Includes: New 1-piece crank hub/timing gear New keyed oil pump gear New crankshaft bolt Drill bit and drilling guide/template BMW Fitments: 2 Series F87 (2016-2021) > M2 CS Racing F87 (2016-2021) > M2 Competition S55 (2019-2021) 3 Series F80 (2015. Crank hubs are a known weak point once you start pushing BMW M2 Competition harder with tuning and track work. Here you'll find OE replacement and upgraded crank hub solutions to keep timing in check, protect your engine, and give you confidence when chasing more power or simply preserving long.
Our hub uses our proprietary 'Spline Lock' technology that uses high tolerance machined splines that press into the crank, and positively lock the hub to the crank. We spent many months testing, and retesting this design, utilizing well over 10 different samples to come to our final production version. Address the notorious crank hub slippage in your BMW S55 engine with the Evolve Pinned Crank Hub for the F80 M3, F82/F83 M4, and F87 M2 Competition.
Steve Dinan has been building BMW race engines for over 40 years! This vast experience has led us to this design. Crank Hub Kit uses modified BMW OEM sprockets keeping the metallurgical properties of the crank hub the same as the OEM BMW parts hence maintaining the durability same as the OEM part. A drill bit and alignment guide are provided as part of the kit to make installation for a trained professional easier.
Whether you're a performance enthusiast, a track day aficionado, or simply seeking to protect your investment, the Evolve BMW S55 Crank Hub Fix with the 2. CarBahn Crank Hub Kit - BMW / F8X / M2 / M3 / M4 CBS55-6001 Read Product Details $800.00 Pay over time with Affirm. See if you qualify at checkout.