BMW Z4 sDrive30i Roadster Z4 Series 2008 Owner's Manual

To reset the TPMS, turn the ignition to position 2 without starting the engine. Press the reset button located on the dashboard until the TPMS light blinks three times, then start the engine and drive for a few minutes.
It is recommended to use synthetic oil that meets BMW LL-01 specifications, such as a 5W-30 or 5W-40 grade. Always check your owner’s manual for the most accurate information.
First, ensure there are no obstructions in the top's path. Check the hydraulic fluid level, and inspect the fuses related to the convertible system. If issues persist, it might be necessary to visit a technician for further diagnosis.
Regular maintenance includes oil changes every 10,000 miles, brake fluid every two years, and spark plugs every 45,000 miles. Refer to the owner's manual for a detailed schedule.
Locate the air filter housing in the engine bay, unclip the cover, and remove the old filter. Insert the new filter, ensuring it fits snugly, and replace the cover securely.
Safely pull over and turn off the engine. Allow it to cool before checking coolant levels. If low, refill with the appropriate coolant. If the problem persists, seek professional assistance.
Maintain proper tire pressure, perform regular maintenance, avoid excessive idling, and drive at steady speeds to improve fuel efficiency.
A knocking noise can be due to using the wrong octane fuel, engine timing issues, or worn engine components. It is advisable to have a mechanic inspect the vehicle.
Check for any electrical components left on, such as lights or the radio. Test the battery and alternator, and inspect for any parasitic drains with a multimeter.
Regularly clean the leather seats with a damp cloth, and apply a leather conditioner every few months to keep them moisturized and prevent cracking.