BMW 525i Sedan 5 Series 2002 Owner's Manual

The recommended oil type for the BMW 525i Sedan 5 Series 2002 is 5W-30 synthetic motor oil.
To reset the service light, turn the ignition to position 1, press and hold the trip odometer reset button, turn the ignition to position 2, and release the button when the service light flashes.
Common causes of overheating include a faulty water pump, a damaged thermostat, radiator issues, or coolant leaks.
The timing chain in the BMW 525i 2002 is designed to last the life of the engine, but it should be inspected regularly for wear and replaced if necessary.
The recommended tire pressure for the BMW 525i 2002 is typically 32 PSI for the front tires and 35 PSI for the rear tires. Check the owner's manual or the sticker on the driver's side door jamb for exact specifications.
Start by checking the fuses, inspecting the battery and alternator, and ensuring all connections are secure. A diagnostic scan tool can also help identify error codes.
Symptoms of a failing fuel pump include difficulty starting the engine, sputtering at high speeds, loss of power under stress, and a whining noise from the fuel tank.
To improve fuel efficiency, ensure regular maintenance, keep tires properly inflated, use the recommended oil, and drive at steady speeds without rapid acceleration or braking.
To replace the air filter, locate the air filter housing, remove the screws or clips, take out the old filter, insert the new filter, and secure the housing.
Checking the transmission fluid typically requires a lift, as the vehicle must be level and the engine running. Remove the fill plug from the transmission and ensure the fluid is at the correct level.