1 BMW N57 Diesel engines like to catch fire if idled for a long time and then flogged (Oil/EGR coolant leak) https://jalopnik.com/bmws-are-bursting-into-flames-so-they-d... https://www.dailymail.co.uk/news/article-11637379/Widow-PC-k...
2 Police are exempt from MOD so their cars dont have documented service/odometer history.
3 Tons of dealers bought decommissioned Police BMWs and rolled odometers.
The Clocked Up Holy Engine Scandal of the UK Police BMW Fleet by Geoff Buys Cars https://www.youtube.com/watch?v=YEryJeBcg-8
No more BMW Police Cars in the UK... thanks to N57 Engine Fires by Geoff Buys Cars https://www.youtube.com/watch?v=_gJFDdnMXKg