Posts Tagged ‘e90’

I wanted air filter which can be maintained. I found pipercross air filter online for 40 eur. You must clean it every 30 000km. Stock filter is recommended to change every 30 00km and it costs aprox 20-30 euros. K&N costs more than 70 eur. It also looked like engine can’t get enough air into […]

There a lot of BMW diesel with that faulty preheating unit. Here is how you can repair your BERU preheating unit. It is called also glow plug relay, but it is not relay any more, because it is not using anymore relays. One indicator for this unit is if you connected to obd tester (inpa […]