Transmission Filter Transmission Oil Pan

The function of the transmission filter for the F30 BMW 3 Series:

Primary Function
1. Filters Transmission Fluid: The transmission filter filters the transmission fluid, removing contaminants and debris that can damage the transmission.

Secondary Functions
1. Prevents Transmission Damage: By filtering out contaminants, the transmission filter helps prevent damage to the transmission, such as wear on gears and bearings.
2. Maintains Transmission Performance: The transmission filter helps maintain transmission performance by ensuring clean fluid is circulating through the transmission.
3. Extends Transmission Life: Regular replacement of the transmission filter can help extend the life of the transmission.