Add Transmission Fluid: 2009 BMW 135i 3.0L 6 Cyl. Turbo Coupe Base 3.0L 6 Cyl. Turbo Coupe

Our research indicates that your vehicle does not have a transmission fluid dipstick. These types of transmissions are designed to be maintenance free. In order to check the transmission fluid, your vehicle likely has check valve on the bottom of the transmission on the bottom of your car. Your car must be level when the fluid is checked and we therefore recommend having a mechanic with a hydraulic lift or underground bay check your transmission fluid. Any fluid leaks for this type of transmission should be treated by a mechanic.

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Hans Angermeier has produced over 100,000 videos showing drivers how to fix things on their cars. He has broad expertise on basic repair procedures covering the majority of cars on the road.

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