BMW 328i Convertible 3 Series 2008 Owner's Manual
![BMW 328i Convertible 3 Series 2008 manual cover](/images/aadaafee3b080896130f2ae9/thumbs/thumb175x175.webp)
To reset the TPMS on a BMW 328i Convertible 2008, start the vehicle and navigate to the iDrive menu. Select 'Vehicle Info', then 'Vehicle Status', and finally 'Reset Tire Pressure'. Follow the prompts to complete the reset process.
The recommended oil type for a BMW 328i Convertible 2008 is SAE 5W-30 full synthetic oil, which meets BMW Longlife-01 specification.
First, check the trunk partition is in place and the trunk is closed. Ensure that the hydraulic fluid level is correct and check for any blown fuses. If the issue persists, consult a professional technician.
To replace the battery, remove the trunk liner to access the battery compartment. Disconnect the negative (-) then the positive (+) battery cables. Remove the securing bracket, and carefully lift out the old battery. Install the new battery, secure it with the bracket, and reconnect the positive (+) then the negative (-) cables.
Common causes of overheating include low coolant levels, a faulty thermostat, a malfunctioning water pump, or a clogged radiator. Check coolant levels and inspect these components for signs of wear or damage.
Ensure the vehicle is on a level surface. Open the brake fluid reservoir and use a turkey baster to remove as much old fluid as possible. Refill with new fluid, then bleed the brakes starting from the furthest caliper from the master cylinder. Repeat for each wheel.
Inspect the engine oil level and ensure it is at the correct level. If the noise persists, it could be due to a failing timing chain tensioner or VANOS system. Consult a professional for a detailed inspection.
Access the back of the headlight assembly through the engine bay. Remove the cover, disconnect the power connector, and release the retaining clip. Replace the bulb with a new one, ensuring not to touch the glass surface, then reassemble in reverse order.
Follow the manufacturer's recommended maintenance schedule, which includes oil changes every 10,000 miles, brake fluid replacement every two years, and coolant replacement every four years, among other inspections.
First, check the A/C system's refrigerant level and inspect for leaks. Ensure the blower motor is functioning and that the cabin air filter is not clogged. If these are in order, it may require a professional to diagnose the compressor or electrical components.