BMW Z4 sDrive30i Z4 Series 2011 Owner's Manual
![BMW Z4 sDrive30i Z4 Series 2011 manual cover](/images/b9e2895364c450182caa02cd/thumbs/thumb175x175.webp)
It is recommended to change the oil every 7,500 to 10,000 miles or at least once a year, whichever comes first. Always use the oil grade specified in the owner's manual.
Use a high-performance coolant with anti-corrosion properties, ideally BMW's own brand or another that complies with BMW's specifications.
To reset the service light, turn on the ignition without starting the engine, and hold the trip reset button until the service icon appears, then use the toggle switch on the indicator stalk to reset.
If your engine overheats, pull over safely, turn off the engine, and allow it to cool. Check coolant levels and for any leaks. Do not open the radiator cap until the engine is cool.
Activate Bluetooth on your phone and in the vehicle's iDrive system. Search for devices on your phone and select the BMW option. Enter the passkey if prompted.
A squealing noise upon startup could be due to a worn or loose serpentine belt. Inspect the belt for wear and tension, and replace if necessary.
The recommended tire pressure can vary, but generally, it's around 32 PSI for the front tires and 35 PSI for the rear tires. Check the driver's side door jamb for specific recommendations.
To replace a headlight bulb, access the headlight assembly from behind the wheel well or under the hood, remove the protective cover, disconnect the old bulb, and install the new one. Refer to the vehicle's manual for detailed instructions.
The check engine light could be triggered by a variety of issues, including a loose gas cap, faulty oxygen sensor, or issues with the catalytic converter. Use an OBD-II scanner to diagnose the specific problem.
Improve fuel efficiency by ensuring tires are properly inflated, using high-quality fuel, performing regular maintenance, and avoiding excessive idling and aggressive driving.