BMW 728 Workshop Manuals and Repair Manuals
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BMW 728The BMW 7 Series is the flagship line up from the German Automaker BMW since 1977. These are full-size luxury vehicles only available as a sedan or extended length limousine. The 728 was available with a Solex four-barrel carburetor from 1977 until 1979, when they were replaced by fuel-injected 728i and this model was produced from until 1986. The 728iL was produced from 1996 to 2001; it was petrol engine that could produce horse power of 193 PS. The BMW 728i was launched with traction control, ABS, alloy wheels, dual airbags, air-conditioning, leather upholstery, and electric front seats.
BMW 728 FAQ's
How do I check the transmission fluid level in a BMW 728?
To check the transmission fluid level in a BMW 728, start the engine and let it idle for a few minutes to warm up the transmission. Then, locate the transmission dipstick under the hood and remove it. Wipe the dipstick clean, reinsert it, and remove it again to read the fluid level. The fluid level should be between the minimum and maximum marks on the dipstick. Add more fluid if necessary, using the recommended type and weight as specified in the owner's manual.
How do I replace a blown fuse in a BMW 728?
To replace a blown fuse in a BMW 728, locate the fuse box under the dashboard or in the engine compartment. Use the fuse diagram on the cover or in the owner's manual to identify the fuse that needs to be replaced. Use a fuse puller or needle-nose pliers to remove the old fuse and replace it with a new one of the same amperage rating. It is important to use the correct amperage rating to prevent electrical damage or fire.
How do I replace a headlight bulb in a BMW 728?
To replace a headlight bulb in a BMW 728, first turn off the engine and open the hood. Locate the headlight assembly and remove the cover or bulb holder. Disconnect the wiring harness and remove the old bulb, being careful not to touch the glass with your bare hands. Install the new bulb and reconnect the wiring harness, making sure to secure the bulb holder or cover. Repeat the process on the other headlight.
How do I replace the brake pads on a BMW 728?
To replace the brake pads on a BMW 728, first jack up the car and remove the wheel. Use a brake caliper compressor tool to compress the caliper piston and remove the caliper from the rotor. Remove the old brake pads and install the new ones, making sure to apply brake grease to the back of the pads. Replace the caliper and wheel, and repeat the process on the other side. It is important to follow the correct brake pad replacement procedure to ensure safe and effective braking.
How do I replace the cabin air filter in a BMW 728?
To replace the cabin air filter in a BMW 728, first locate the filter housing under the dashboard on the passenger side. Use a screwdriver or pliers to remove the cover or clips and slide out the old filter. Install the new filter, making sure to align it properly and replace the cover or clips. It is important to replace the cabin air filter regularly to maintain clean and fresh air inside the car.
How do I reset the service indicator light in a BMW 728?
To reset the service indicator light in a BMW 728, turn the ignition key to the "on" position without starting the engine. Press and hold the odometer reset button until the service indicator light flashes. Release the button and press it again for a few seconds until the display shows "Reset." Turn off the ignition and start the engine to confirm that the service indicator light has been reset.
How often should the oil be changed in a BMW 728?
The oil in a BMW 728 should be changed every 7,500 miles or every 12 months, whichever comes first. It is important to use the recommended oil type and weight, as specified in the owner's manual. Regular oil changes are essential for keeping the engine running smoothly and prolonging its lifespan.
What is the recommended interval for replacing the air filter in a BMW 728?
The air filter in a BMW 728 should be replaced every 30,000 miles or every 3 years, whichever comes first. A clean air filter is essential for maintaining optimal engine performance and fuel efficiency. A dirty air filter can restrict airflow to the engine and cause it to work harder, leading to reduced power and increased fuel consumption.
What is the recommended interval for replacing the fuel filter in a BMW 728?
The fuel filter in a BMW 728 should be replaced every 60,000 miles or every 6 years, whichever comes first. A dirty or clogged fuel filter can cause reduced fuel efficiency and engine performance. It is important to use the recommended fuel filter type and to follow the correct replacement procedure to prevent fuel leaks or other problems.
What is the recommended interval for replacing the spark plugs in a BMW 728?
The spark plugs in a BMW 728 should be replaced every 100,000 miles or every 10 years, whichever comes first. A worn or fouled spark plug can cause misfiring, reduced power, and increased fuel consumption. It is important to use the recommended spark plug type and to follow the correct installation procedure to ensure proper engine operation.
What is the recommended interval for replacing the timing belt in a BMW 728?
The BMW 728 does not have a timing belt, but rather a timing chain. The timing chain does not require regular replacement like a timing belt, but it should be inspected periodically for signs of wear or damage. A worn or damaged timing chain can cause engine damage and should be replaced as soon as possible.
What is the recommended tire pressure for the BMW 728?
The recommended tire pressure for the BMW 728 varies depending on the size of the tires. The recommended tire pressure for the standard 16-inch wheels is 32 psi in the front and 35 psi in the rear. For the optional 17-inch wheels, the recommended tire pressure is 32 psi in the front and 38 psi in the rear. Proper tire pressure is important for optimal performance, handling, and fuel efficiency.
What kind of battery does a BMW 728 use?
The BMW 728 uses a 12-volt lead-acid battery that is located in the trunk. It is important to use the correct battery type and to maintain proper battery voltage and charge levels. A weak or dead battery can cause starting problems and can damage the electrical system.
What kind of coolant should be used in a BMW 728?
The BMW 728 requires a specific type of coolant known as BMW Longlife-4. This coolant is a phosphate-free, silicate-free, and nitrite-free formula that is designed to provide long-lasting corrosion protection for the engine and cooling system. It is important to use the recommended coolant type and to maintain proper coolant levels to prevent overheating and engine damage.
What type of engine does the BMW 728 have?
The BMW 728 has a 2.8-liter six-cylinder engine that produces 193 horsepower. This engine is known for its smooth and refined power delivery, and it is capable of accelerating the car from 0 to 60 mph in just over eight seconds. The engine is also relatively fuel-efficient, with an EPA rating of 19 mpg in the city and 28 mpg on the highway.
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