BMW 7 Series - Tech Talk For All Gen Of 7 Series
Here's a picture of a loo roll style filter removed from my car this week.
I am uncertain how long it has taken the loo roll to get into this state and would welcome opinions. The only possible answers are 78 months and 45,300 miles OR 6 months, and 4,600 miles.
If it helps, the car has a full...