CRANK BOLT CAPTURE KIT S55 BMW M3 F80 M4 F82 M2 COMPETITION F87

WHAT IS A CRANK HUB BOLT CAPTURE?

The S55 suffers from a weak point in its crankshaft. It has been reported that when increasing the power to the engine, the crank hub can move or spin slightly under an extreme load. This is most apparent under high-rev downshifts or in the case of increased boost pressure which creates more stress on the engines rotating assembly. In order to keep this from happening, the crank bolt must be secured to the hub to keep it from backing off, but this can be a tricky solution since a simple dab of Loctite will not suffice. 

WHY DO I NEED IT?

Here is an easy, and cost-effective way to secure the situation; The S55 Crank Hub Bolt Capture. This lightweight and durable ring slips over the head of the crank bolt fully encapsulating it, and locks it to the crank hub and eliminating its ability to spin. The EEP-CHBC is 100% Billet Aircraft Grade Aluminum. What's more is that it weighs only 36 grams meaning you aren't adding excess mass to the crankshaft which will avoid any imbalance or vibration issues.

While this is not a full fix for all crank hub spinning issues, the engineers at Elite Euro Performance have found most issues have stemmed from the bolt itself backing out, and this is a great way to keep that from happening. Extremely lightweight at only 36 gams it adds virtually no weight to the crank which is important for balance and vibration.

CRANK HUB BOLT CAPTURE INCLUDES:

• 1x EEP Billet Aluminum Crank Bolt Capture
• 8x Fasteners Gr. 12.9

INSTALLATION:

Installation of any crank hub solution is extensive and must be carried out by highly qualified technicians.

APPLICATIONS:

• BMW M3 F80 (2014-2018)

• BMW M3 F80 Competition (2016-2018)

• BMW M4 F82/F83 (2014-2020)

• BMW M4 F82/F83 Competition (2016-2020)

• BMW M4 GTS F82 (2016)

• BMW M2 CS F87 (2020)

• BMW M2 Competition F87 (2018-2020)