BMW 4 Series Workshop Manuals and Repair Manuals

To change a headlight bulb in your BMW 4 Series, locate the headlight assembly in the engine compartment. Remove the cover or clip that holds the bulb in place, and gently pull the bulb out of the socket. Replace the old bulb with a new one, making sure not to touch the glass portion. Reattach the cover or clip and test the headlight.

To change a taillight bulb in your BMW 4 Series, locate the taillight assembly on the back of the car. Remove the cover or clip that holds the bulb in place, and gently pull the bulb out of the socket. Replace the old bulb with a new one, making sure not to touch the glass portion. Reattach the cover or clip and test the taillight.

To change the air filter in your BMW 4 Series, locate the air filter housing in the engine compartment. Remove the clips or screws that hold the housing cover in place, and lift off the cover. Remove the old air filter and replace it with a new one, making sure it's properly seated in the housing. Reattach the housing cover and secure it with the clips or screws.

To check the coolant level in your BMW 4 Series, wait until the engine is cool and locate the coolant reservoir in the engine compartment. The coolant level should be between the minimum and maximum marks on the reservoir. If the level is low, add a mixture of 50% antifreeze and 50% distilled water until it reaches the proper level.

To check the tire pressure on your BMW 4 Series, use a tire pressure gauge to measure the pressure in each tire. The recommended tire pressure can be found in the owner's manual or on a sticker located on the driver's side door jamb. Make sure the tires are cold before checking the pressure, and add or release air as needed to reach the recommended pressure.

To check the transmission fluid in your BMW 4 Series, start the engine and let it idle for at least 5 minutes. Then, park the car on a level surface and engage the parking brake. Locate the transmission fluid dipstick, remove it, and wipe it clean. Reinsert the dipstick and remove it again to check the level of the fluid. The level should be between the minimum and maximum marks on the dipstick.

To jump start your BMW 4 Series, first park the donor car next to your car and turn off both engines. Connect the positive jumper cable to the positive terminal on the donor battery, and then to the positive terminal on your car's battery. Connect the negative jumper cable to the negative terminal on the donor battery, and then to an unpainted metal surface on your car's engine. Start the donor car and let it run for a few minutes, then try to start your car.

To replace the battery in your BMW 4 Series key fob, use a small screwdriver to carefully pry open the key fob. Remove the old battery and replace it with a new one, making sure the positive side is facing up. Reattach the key fob cover and test the key.

To replace the cabin air filter in your BMW 4 Series, locate the filter housing under the dashboard on the passenger side. Remove the cover and slide out the old filter. Replace it with a new one, making sure it's properly seated in the housing. Reattach the cover and test the air conditioning.

To replace the windshield wipers on your BMW 4 Series, lift the wiper arm away from the windshield and locate the release tab on the wiper blade. Press the tab and slide the blade off the arm. Attach the new wiper blade by sliding it onto the arm until it clicks into place. Lower the wiper arm back onto the windshield.

To reset the service light on your BMW 4 Series, turn the ignition key to the "on" position without starting the engine. Press and hold the odometer reset button until the service light flashes, then release the button. Press the button again to confirm the reset, then turn off the ignition.

The recommended oil change interval for a BMW 4 Series is every 10,000 miles or 12 months, whichever comes first. However, if you frequently drive in extreme temperatures or engage in heavy stop-and-go driving, you may need to change your oil more frequently. It's important to always refer to your owner's manual for the exact maintenance schedule for your specific model and year.

The recommended brake fluid change interval for a BMW 4 Series is every 2 years. However, if you frequently engage in heavy stop-and-go driving or drive in extreme temperatures, you may need to change your brake fluid more frequently. It's important to always refer to your owner's manual for the exact maintenance schedule for your specific model and year.

The recommended brake fluid for a BMW 4 Series is DOT 4 brake fluid. This type of brake fluid is designed to withstand high temperatures and provides superior braking performance. It's important to always refer to your owner's manual for the exact brake fluid specifications for your specific model and year.

The recommended oil for a BMW 4 Series is synthetic 5W-30 oil. This type of oil provides superior engine protection and performance, especially in extreme temperatures. It's important to check the owner's manual for the exact oil specifications for your specific model and year.