BMW 640 Free Workshop and Repair Manuals

To check the engine oil level in your BMW 640, park the car on a level surface and wait for the engine to cool down. Remove the dipstick from the engine, wipe it clean with a cloth, and reinsert it. Remove the dipstick again and check the oil level. The oil level should be between the minimum and maximum marks on the dipstick.

To replace the air filter in your BMW 640, locate the air filter housing under the hood of the car. Open the housing and remove the old air filter. Install the new air filter and close the housing. It is recommended to replace the air filter every 30,000 miles or as needed.

To replace the battery in your BMW 640, locate the battery in the trunk of the car and disconnect the negative terminal first, then the positive terminal. Remove the battery from the car and install the new battery. Reconnect the positive terminal first, then the negative terminal. It is recommended to replace the battery every 3-5 years or as needed.

To replace the brake pads in your BMW 640, jack up the car and remove the wheels. Remove the caliper bolts and slide out the old brake pads. Install the new brake pads and reassemble the caliper. It is recommended to replace the brake pads every 30,000 miles or as needed.

To replace the cabin air filter in your BMW 640, locate the filter housing under the dashboard on the passenger side of the car. Open the housing and remove the old filter. Install the new filter and close the housing. It is recommended to replace the cabin air filter every 20,000-30,000 miles or as needed.

To replace the spark plugs in your BMW 640, locate the spark plug wells and remove the old spark plugs with a spark plug socket. Install the new spark plugs and torque them to the manufacturer’s specifications. It is recommended to replace the spark plugs every 60,000 miles or as needed.

To reset the oil change light on your BMW 640, turn the ignition key to the “on” position without starting the engine. Press the gas pedal all the way down to the floor three times within five seconds. Wait for the light to blink, then release the gas pedal. The oil change light should be reset.

BMW 640 requires an oil change every 10,000 miles or once a year, whichever comes first. The oil change interval may vary depending on driving conditions, such as frequent short trips or extreme temperatures. It is important to follow the recommended oil change interval to maintain the engine’s performance and longevity.

BMW 640 requires a specific type of brake fluid, such as the DOT 4 brake fluid. It is important to use the correct brake fluid to maintain the braking system’s performance and prevent corrosion or damage. The brake fluid should be checked and replaced as needed according to the manufacturer’s recommendations.

BMW 640 requires a specific type of coolant, such as the BMW Coolant/Antifreeze. It is important to use the correct coolant to maintain the engine’s cooling system and prevent corrosion or damage. The coolant should be checked and replaced as needed according to the manufacturer’s recommendations.

BMW 640 requires premium unleaded gasoline with an octane rating of 91 or higher. Using a lower octane fuel may cause engine knocking or damage, and may also affect the engine’s performance and fuel efficiency. It is important to use the recommended fuel type to maintain the engine’s performance and longevity.

BMW 640 requires a specific type of power steering fluid, such as the Pentosin CHF 11S fluid. It is important to use the correct power steering fluid to maintain the steering system’s performance and prevent damage. The power steering fluid should be checked and replaced as needed according to the manufacturer’s recommendations.

The recommended tire pressure for BMW 640 is 32 psi for the front tires and 36 psi for the rear tires. It is important to maintain the correct tire pressure to ensure optimal handling, fuel efficiency, and tire life. The tire pressure should be checked monthly and adjusted as needed.

BMW 640 requires a specific type of transmission fluid, such as the ATF+4 fluid. It is important to use the correct transmission fluid to maintain the transmission’s performance and prevent damage. The transmission fluid should be checked and replaced as needed according to the manufacturer’s recommendations.

BMW 640 requires different wiper blade sizes for the front and rear wipers. The recommended wiper blade size for the front wipers is 24 inches for the driver side and 19 inches for the passenger side. The recommended wiper blade size for the rear wiper is 14 inches.