BMW 1 series 2007 2.0 diesel service and maintenance
Engine oil
Engine oil capacity: 5.2 litres (5.5 quarts)
Oil change interval is 10,000 km or one year, whichever comes first.
Recommended oil type (Oil Viscosity Classification SAE) is 5W-30
Air filter
Air filter change interval is 20,000 km.
After prolonged driving in particularly dusty conditions, it is advisable to check the condition of the air filter earlier and replace it if the filter is visibly dirty.
Fuel filter
BMW 1 series 2.0 diesel fuel filter change interval is 60,000 km
Timing chain
There is no manufacturer specified replacement interval for the engine timing chain on BMW 1 series 2007 2.0 diesel, expecting it to last until the engine is overhauled (approximately 220,000 km - 370,000 km).
Based on real life experience, the BMW 118d 2007 timing chain change interval is approximately 100,000 km as at this mileage it may become overstretched and require replacement, so it is recommended to check the condition of the chain periodically after this mileage is reached and replace the timing chain if it becomes excessively stretched or if unusual engine noises occur.
Serpentine (drive) belt
BMW 118d serpentine or alternator belt replacement interval is 120,000 km, but in reality it may have a shorter service life and it is advisable to pay close attention to the condition of the belt or to replace it after an interval of 60,000 km.
Engine coolant
Engine coolant (antifreeze) recommended replacement interval for BMW 1 series 2.0 diesel is 60,000 km or 4 years, whichever comes first.
Coolant capacity is 7.4 litres
Valve stem oil seals replacement
Valve stem oil seals replacement for BMW 1 series 2.0 diesel is recommended every 160,000 km.
Damaged or malfunctioning valve seals can cause catalytic converter damage and further, more serious engine damage.
Always consult your vehicle manufacturer's service manual for service intervals and specifications!