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Does the BMW 5 Series Need a Transmission Oil Change at 90,000 Kilometers?

1 Answers

OscarAnn

07/29/25 10:09pm

The BMW 5 Series uses a manual-automatic transmission, which is a type of automatic transmission. Generally, it is recommended to change the automatic transmission oil every two years or approximately every 40,000 kilometers. Different vehicle models have different replacement cycles. Below are the replacement cycles for transmission oil: Manual Transmission: Manual transmission oil is generally recommended to be changed every three years or approximately every 100,000 kilometers. Automatic Transmission: Automatic transmission oil is generally recommended to be changed every two years or approximately every 40,000 kilometers. Continuously Variable Transmission (CVT): CVT transmission oil is generally recommended to be changed every two years or approximately every 60,000 kilometers. The methods for changing transmission oil are as follows: Unscrew the drain plug at the bottom of the transmission to drain the oil, then refill. Remove the transmission oil pan directly to drain and refill the oil: This method is more thorough than the previous one, as it removes impurities from the bottom of the oil pan. Use a circulation machine to change the automatic transmission oil: A smart circulation machine can perform a dynamic oil change, filtering and cleaning sludge and impurities inside the automatic transmission.

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What Causes an Increase in Car Antifreeze?

An increase in car antifreeze is often due to engine cylinder head gasket failure, which is a dangerous situation as engine oil enters the cooling system. Antifreeze is a crucial substance in the cooling system, circulating in the radiator and carrying away engine heat through pipes. Besides preventing freezing and cooling, it also has excellent properties such as preventing boiling in summer, rust removal, and corrosion resistance. Situations requiring antifreeze replacement include: 1. The color of the antifreeze in the reservoir has changed, showing a noticeable difference from the original; 2. Sediments or floating impurities are visible in the antifreeze; 3. The antifreeze level exceeds the designated limit; 4. Instruments detect insufficient freezing point of the antifreeze; 5. The engine temperature is too high.

What is the troubleshooting method for valve ablation and air leakage?

Valve ablation and air leakage troubleshooting methods are as follows: 1. Inspection: Check the sealing between the valve and the valve seat ring. Introduce 490~588 kPa compressed air into the cylinder and listen at the intake manifold and exhaust manifold respectively. Determine whether the air leakage is from the intake valve or the exhaust valve based on the sound of the leakage. 2. Characteristics of ablation: After valve ablation, the engine shows weak operation, black smoke from the exhaust pipe, and poor sound when firing. If the exhaust valve is ablated, the exhaust pipe will overheat or even turn red. 3. Determining valve ablation fault: The valve spring should be disassembled and inspected for obvious deformation and whether its stiffness meets the standard; check the valve and seat for ablation, grooves, pits, and pitting. Repair as much as possible according to the repair specifications, and replace with new parts if necessary.

How Long Does It Take for the Engine to Cool Down After Shutting Off?

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Are Jing AF green license plates subject to traffic restrictions?

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How to Check the Validity Period of Your Driving Course?

To inquire about the validity period of your driving test, you can check the information at the driving school or the vehicle management office. Below is some information about the driving test: 1. Subject 1: Road traffic safety laws, regulations, and related knowledge test. It is a written test conducted on a computer, with a full score of 100, and a passing score of 90 or above (including 90). 2. Subject 2: Field driving skills test. It is a practical test conducted in a designated area, with only pass or fail results. The test includes five mandatory items: reversing into a garage, parallel parking, S-curve driving, right-angle turning, and starting and stopping on a slope. The full score is 100, and a passing score is 80 or above (including 80). 3. Subject 3: Road driving skills test. It is a practical test conducted on a road or simulated area, with a full score of 100. The passing scores are 90 or above for large buses, 80 or above for large trucks, and 70 or above for other vehicle types. 4. Subject 4: Safety and civilized driving-related knowledge test. It is a written test with a full score of 100, and a passing score of 90 or above (including 90).

Is It Illegal to Replace Car Lights?

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