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What are the reasons for severe wear of a BMW eccentric shaft?

01-14,2026

1.Lubrication issues

If the eccentric shaft is poorly lubricated due to oil passage blockage or low oil pressure, increased wear will occur.

2. Wear

During operation, the eccentric shaft continuously rotates and swings, making its surface prone to wear after prolonged use. Severe wear can cause a loss of precision and weaken engine performance.

3. Corrosion

If the working environment of the BMW engine is poor, or if the fuel contains moisture or impurities, the eccentric shaft can be corroded, resulting in an uneven surface and affecting the valve timing.

4. Fatigue factor

During operation, fatigue cracks are prone to develop in the eccentric shaft when it is subjected to cyclic loading. Once these cracks propagate to a certain extent, the eccentric shaft may fracture, leading to engine malfunction.

How to prevent severe wear of an eccentric shaft?

Replace the engine oil regularly to maintain good lubrication of engine components, thereby reducing wear.

Avoid excessive acceleration and sudden braking in order to prevent a sudden increase in engine load, thereby reducing wear on the eccentric shaft.

Inspect and maintain the engine regularly to identify and address issues of the eccentric shaft in a timely manner.

vika BMW eccentric shaft repair kit

vika BMW eccentric shaft repair kit:

1. Motor: Motors of Johnson Electric are adopted to effectively address the common issue of easy worm gear wear of BMW's original motors, and to achieve exceptional anti-wear performance.

2. Eccentric shaft: Made of forged steel, the products feature uniform hardness distribution.

3. Bearing: Matching OE products are adopted.