BMW 850i Coupe 8 Series 1999 Owner's Manual
![BMW 850i Coupe 8 Series 1999 manual cover](/images/9ca6c245419aeefe972e0d8c/thumbs/thumb175x175.webp)
The recommended oil type for the BMW 850i Coupe 8 Series 1999 is 10W-60 synthetic motor oil.
To reset the service light, turn the ignition to position 1, hold the trip reset button, and wait for the service indicator to reset.
The proper tire pressure for the BMW 850i Coupe 8 Series 1999 is 32 PSI for the front tires and 36 PSI for the rear tires.
First, check the refrigerant level and ensure there are no leaks. Then, inspect the compressor and fuses for any faults.
The recommended coolant is BMW's long-life antifreeze/coolant, which should be mixed in a 50/50 ratio with distilled water.
Spark plugs should be replaced every 30,000 miles for optimal performance.
Common issues include fuel pump failures, clogged fuel filters, and faulty fuel injectors. Regular maintenance can help prevent these problems.
To replace the battery, disconnect the negative cable, followed by the positive cable. Remove the battery hold-down bracket and lift the battery out. Replace with a new battery and reconnect the cables.
Start the engine and let it idle. Move the gear selector through each gear and return to park. Use the dipstick to check the fluid level, ensuring it is within the marked range.
To improve fuel efficiency, ensure regular maintenance, keep tires properly inflated, drive at steady speeds, and remove excess weight from the vehicle.