BMW 745i Sedan 7 Series 2004 Owner's Manual
![BMW 745i Sedan 7 Series 2004 manual cover](/images/b06056583a26007566a00e00/thumbs/thumb175x175.webp)
To reset the service light, turn the ignition to position 1 without starting the engine. Press and hold the trip reset button on the instrument cluster until the service message appears. Release and press the button again until "Reset?" appears. Hold the button to confirm the reset.
The recommended tire pressure for the BMW 745i is typically 32 PSI for the front tires and 35 PSI for the rear tires. Always check the placard on the driver's side door jamb for the most accurate information.
If the iDrive system is not responding, try restarting the car. If the issue persists, check the fuses related to the infotainment system. A software update at a BMW service center might be necessary if the problem continues.
For the 2004 BMW 745i, BMW recommends using synthetic oil with a viscosity of 5W-30. Ensure the oil meets BMW Longlife-01 specifications for optimal performance.
The BMW 745i does not have a traditional dipstick for checking transmission fluid. It is best to have a professional check the fluid level, as the vehicle needs to be on a lift and at a specific temperature to get an accurate reading.
To change the cabin air filter, locate the filter housing under the hood near the windshield. Remove the cover, take out the old filter, and replace it with a new one. Ensure the filter is seated correctly and secure the cover back into place.
A rough idle can be caused by several factors such as dirty fuel injectors, a malfunctioning mass air flow sensor, or worn spark plugs. A diagnostic check can help pinpoint the exact cause.
Brake pads should be inspected every 10,000 miles for wear. Replacement is typically needed every 30,000 to 50,000 miles, depending on driving habits and conditions.
Common causes include leaving lights or accessories on, a faulty alternator, or a parasitic draw from electronic systems. A thorough diagnostic test can help identify the specific issue.
To replace a headlight bulb, open the hood and locate the back cover of the headlight assembly. Remove the cover, disconnect the electrical connector, and replace the old bulb with a new one. Reconnect the connector and secure the cover.