BMW 8 Series Workshop Manuals and Repair Manuals

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BMW 8 Series

The BMW 8 Series (chassis code: E31) is a Grand Tourer manufactured by BMW from 1989 to 1999 powered by either a V8 or V12 engine. The 840Ci model is produced with two different engine packages. The first used the 4 liter M60B40 with 286 PS and was produced from 1993 thru 1995. The second engine used 4.4 liter M62B44 engine, which had better fuel economy. It was manufactured as 5-speed automatic, but 6-speed manual transmissions were available for European market. The 840Ci stayed in production until May, 1999.

BMW 8 Series FAQ's

How do I change the engine oil in a BMW 8 Series?

To change the engine oil in a BMW 8 Series, first, locate the oil filter housing and drain plug. Remove the drain plug and let the old oil drain into a container. Replace the oil filter and fill the engine with the recommended amount of new oil, checking the oil level with the dipstick to ensure it is at the correct level.

How do I check the transmission fluid in my BMW 8 Series?

To check the transmission fluid in a BMW 8 Series, first, ensure the vehicle is on level ground and the engine is warm. Remove the transmission dipstick and wipe it clean, then reinsert it and remove it again to check the fluid level. The fluid should be at the proper level and have a clear, reddish color.

How do I replace the air filter in my BMW 8 Series?

To replace the air filter in a BMW 8 Series, first, locate the air filter housing. Open the housing and remove the old filter, then install the new one and reassemble the housing. Regularly replacing the air filter can help ensure proper engine performance.

How do I replace the alternator in my BMW 8 Series?

To replace the alternator in a BMW 8 Series, first, locate the alternator and disconnect the battery. Remove the belt and wiring harness from the alternator, then remove the old alternator and install the new one. Reconnect the wiring harness and belt, then reconnect the battery and test the electrical systems.

How do I replace the battery in my BMW 8 Series?

To replace the battery in a BMW 8 Series, first, locate the battery and disconnect the negative cable. Remove the old battery and install the new one, then reconnect the cable and test the vehicle's electrical systems to ensure proper performance.

How do I replace the brake pads on my BMW 8 Series?

To replace the brake pads on a BMW 8 Series, first, remove the wheels and then remove the brake caliper. Take out the old brake pads and install the new ones. Reinstall the brake caliper and wheels, then pump the brake pedal to ensure proper braking performance.

How do I replace the serpentine belt in my BMW 8 Series?

To replace the serpentine belt in a BMW 8 Series, first, locate the belt tensioner and use a wrench to release the tension on the belt. Remove the old belt and install the new one, then release the tensioner to tighten the belt. Regularly replacing the serpentine belt can help prevent engine damage.

How do I replace the spark plugs in my BMW 8 Series?

To replace the spark plugs in a BMW 8 Series, first, locate the spark plug wires and remove them. Use a spark plug socket to remove the old spark plugs and install the new ones. Reattach the spark plug wires in the correct order and test the engine to ensure proper performance.

What is causing my BMW 8 Series to have a check engine light on?

A check engine light in a BMW 8 Series could be caused by a range of issues, including a malfunctioning sensor, a failing catalytic converter, or a fuel system issue. A diagnostic tool can help identify the specific issue and guide the appropriate repairs.

What is causing my BMW 8 Series to have a rough idle?

A rough idle in a BMW 8 Series could be caused by a dirty air filter, a malfunctioning oxygen sensor, a clogged fuel injector, or a failing ignition coil. Diagnosing and fixing the issue promptly can prevent further damage to the engine.

What is causing my BMW 8 Series to have a rough ride?

A rough ride in a BMW 8 Series could be caused by worn suspension components, a damaged wheel, or improperly inflated tires. Regular maintenance and prompt repairs can help ensure a smooth ride.

What is causing my BMW 8 Series to have a squealing noise when I start the engine?

A squealing noise when starting a BMW 8 Series could be caused by a worn or loose alternator belt, a failing starter motor, or a damaged serpentine belt. Diagnosing and repairing the issue promptly can prevent further damage to the engine.

What is causing my BMW 8 Series to have poor fuel economy?

Several factors could contribute to poor fuel economy in a BMW 8 Series, including a clogged air filter, worn spark plugs, low tire pressure, or a malfunctioning oxygen sensor. Regular maintenance and prompt repairs can help improve fuel efficiency.

What is causing my BMW 8 Series to make a rattling noise?

A rattling noise in a BMW 8 Series could be caused by a loose exhaust system, a failing water pump, or a damaged timing chain. Diagnosing the source of the noise is important to prevent further damage to the vehicle.

What is causing my BMW 8 Series to overheat?

There are several possible causes for a BMW 8 Series to overheat, including a malfunctioning thermostat, a clogged radiator, a leak in the cooling system, or a failing water pump. It is important to diagnose and fix the issue promptly to prevent engine damage.

BMW 8 Series Manuals Index

BMW 8 Series Workshop Manual

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