N55 engine eccentric shaft set is a core part of a BMW electronic valve control system. It consists of eccentric shaft, eccentric shaft motor, needle bearing, and other components.

Service life of an N55 engine eccentric shaft set:

The service life of an original N55 engine eccentric shaft set is typically about 150,000 kilometers of mileage.

Symptoms of a failed N55 engine eccentric shaft set:

Engine failure indicator alarming, weak acceleration, frequent stalling during drives, and difficulty startup.

The computer detects a failure in the electronic valve lift system, with a fault code of 2E0F.

Failure cause:

The failure is caused by wear of eccentric shaft gear and motor worm.

Advantages of vika N55 engine eccentric shaft set:

Eccentric shaft: Made of alloy steel in a forging process, it features high strength. The gear receives heat treatment to enhance hardness and wear resistance.

Eccentric shaft motor: An integrated Hall eccentric shaft sensor and a new type of brushless three-phase DC motor are adopted. The stroke range of the intake valve has been optimized to 0.18-9.9 mm.

Needle bearing: An original OE product is adopted.

Product testing: The vika product set receives 100% factory matching test.