BMW 750i Sedan 7 Series 2008 Owner's Manual
![BMW 750i Sedan 7 Series 2008 manual cover](/images/589cea7ab2e0641e27d1264d/thumbs/thumb175x175.webp)
The recommended oil type for the 2008 BMW 750i Sedan is BMW High Performance SAE 5W-30. Always ensure the oil meets BMW Longlife-01 specifications.
To reset the service indicator, turn the ignition to the ON position without starting the engine. Press and hold the trip odometer button until the service menu appears. Use the toggle button to scroll to the service that needs resetting, then press and hold the BC button until the display shows 'Reset?'. Confirm by pressing the BC button again.
To replace the battery, first, ensure the vehicle is off and key removed. Open the trunk and remove the floor cover to access the battery. Disconnect the negative terminal first, followed by the positive terminal. Remove any securing brackets and replace the battery with a new one, ensuring secure connections. Reconnect the terminals positive first, then negative.
If the iDrive system is unresponsive, try a soft reset by holding down the volume button for 20-30 seconds until the system reboots. If this doesn't work, check for blown fuses related to the iDrive system in the fuse box. If issues persist, a professional diagnostic may be necessary.
The correct tire pressure for the 2008 BMW 750i varies depending on the load and speed, but generally, it's 32 psi for the front tires and 35 psi for the rear tires. Always refer to the sticker located on the driver's side door jamb for precise information.
To improve fuel efficiency, maintain regular engine tune-ups, keep tires inflated to the recommended pressure, use the recommended grade of motor oil, and drive at steady speeds. Avoid rapid acceleration and excessive idling.
Common signs of a failing alternator include dimming headlights, battery warning light on the dashboard, electrical issues, and the engine stalling or having difficulty starting. A professional inspection is recommended if these symptoms occur.
To replace the headlight bulb, turn off the vehicle and open the hood. Locate the back of the headlight assembly and remove the cover. Disconnect the electrical connector, remove the retaining clip, and carefully take out the old bulb. Insert the new bulb, secure the clip and connector, and replace the cover.
At 100,000 miles, a 2008 BMW 750i should undergo a comprehensive inspection including oil change, brake fluid replacement, coolant check, spark plug replacement, and inspection of belts, hoses, and suspension components. It is also advisable to check the timing chain and perform a diagnostic scan.
To update the navigation system, purchase the latest map update from a BMW dealership or authorized provider. Insert the update disc or USB into the vehicle's drive or port. Follow the on-screen instructions on the iDrive system to complete the update process.