BMW 525i Sedan 5 Series 2008 Owner's Manual
![BMW 525i Sedan 5 Series 2008 manual cover](/images/ef14db221cb845d2747d9d4a/thumbs/thumb175x175.webp)
The recommended engine oil for the BMW 525i 2008 is SAE 5W-30, meeting BMW Longlife-01 specifications.
It is recommended to change the oil every 7,500 to 10,000 miles or once a year, whichever comes first.
The recommended tire pressure is 32 PSI for the front tires and 35 PSI for the rear tires.
To reset the service light, turn on the ignition without starting the engine, press and hold the trip reset button until the service indicator light appears, then release and press it again until 'Reset' is displayed. Hold the button until the indicator resets.
The recommended coolant is BMW's own brand, typically a blue or green ethylene glycol-based coolant, mixed 50/50 with distilled water.
Common signs include coolant leaks, overheating, whining noises from the front of the engine, and steam from the radiator.
To replace the battery, locate it in the trunk on the right side, disconnect the negative and positive cables, remove the battery bracket, and then remove the battery. Install the new battery by following these steps in reverse order.
First, check the battery for charge and connections. If the battery is fine, check for fuel delivery issues or ignition system problems. It's advisable to run a diagnostic test for error codes if the problem persists.
Improving fuel efficiency can be achieved by maintaining proper tire pressure, regular engine tuning, using recommended fuel, and avoiding aggressive driving habits.
The BMW 525i 2008 is not specifically designed for towing, but it can handle a light trailer with a towing capacity of around 2,000 pounds. It is recommended to consult the owner’s manual for specific guidelines.