Servicing your Bmw 3 Series is something you can do at home on your driveway with only a few basic tools. It is recommended to service your car annually or every 12,000 miles which ever comes sooner. This ensures that your engine will be running at its best. At orangespanner we stock everything you need to carry out a service yourself from the filters to the tools. The service parts that you will find in this section is the oil filter, air filter, fuel filter and cabin or pollen filter.