BMW N55 / S55 crank hub upgrade, Turbosystems

Turbosystems BMW N54 / S55 / N55 Upgrade Crank Hub

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. The Turbosystems upgrade crank hub is engineered to solve this issue with durable materials and proven motorsport testing.

• Prevents crank hub slip and engine damage
• Made from high-quality, reinforced materials
• Tested by professional racing drivers
• Keeps timing chain securely in place
• Kit includes installation drill bit and new crank bolt

Examples of models using these engines:

• BMW 135i (E82/E88) [2009–2013]
• BMW 335i (E90/E91/E92/E93) [2009–2013]
• BMW 335i (F30/F31/F34) [2012–2015]
• BMW 435i (F32/F33/F36) [2013–2016]
• BMW 535i (F10/F11/F07) [2009–2017]
• BMW 640i (F06/F12/F13) [2011–2018]
• BMW 740i / 740Li (F01/F02) [2011–2015]
• BMW X3 xDrive35i (F25) [2011–2017]
• BMW X4 xDrive35i (F26) [2014–2016]
• BMW X5 xDrive35i (E70 LCI / F15) [2010–2018]
• BMW X6 xDrive35i (E71 LCI / F16) [2010–2019]
• BMW M135i (F20/F21) [2012–2016]
• BMW M235i (F22/F23) [2014–2016]
• BMW M2 (F87, pre-Competition) [2016–2018]
• BMW X4 M40i (F26) [2016–2018]
• BMW X5 xDrive40i (F15) [2016–2018]
• BMW X6 xDrive40i (F16) [2016–2019]
• BMW M3 (F80, S55 engine) [2014–2018]
• BMW M4 (F82/F83, S55 engine) [2014–2020]
• BMW M2 Competition (F87, S55 engine) [2018–2021]