How do I get my DPF to regenerate?

I own a 2017 BMW 640d Coupe. It easily reaches 70 mph at 1500rpm in auto mode. I think you advise drivers to maintain 2000rpm for 15 miles or so on a dual carriageway or motorway. Should I do this in manual...

If I change from runflats do I need to tell my insurer?

Does my insurance company need to be told if I change the tyres on my BMW 6 Series from runflats to standard ones? Would this affect the cost?

Can you suggest a ULEZ-friendly coupe for under £35,000?

I live in London and the impending ULEZ extension forces a reluctant sale of my much loved Euro5 BMW 640d. Everything about this car has been superb for the past five years but now is the time to move...

Should I buy a BMW 640d with 100k on the clock?

I have recently seen a 2012 plate BMW 640d for sale with 100,000 miles on the clock.The car has a full service history, but I am a little worried about the high mileage. Should I buy or avoid?

Bought a car with dangerous tyres - Can I sue?

I bought a two year old BMW 640d Gran Coupe from a main dealer four weeks ago. During a routine inspection at another BMW dealership today it was pointed out that the front tyres were badly worn, one...

Porsche 911 or BMW 6 Series?

I have been offered a four year old Porsche Carrera Cabriolet with only 7000 miles, excellent condition, but £52k original cost with extras £90k. Is a BMW 6 Series Convertible a better buy for day to day...

What's the target price for a new BMW 6 Series?

I am considering a BMW 640D Grande Coupe M sport. It seems to have all of the options I want as standard and looks really nice. What would a target price be?

Why does the reliable BMW 6 Series only get three stars under your ratings system?

I am looking to upgrade from my BMW E46 330i to either a BMW 645i (E63 - 2004) or a BMW 325i coupe (E92 - 2007). You rate the 3 Series with five stars yet it has a lot wrong under "What's Bad" whereas...

Mercedes CLS or BMW 6 Series?

I want to buy a low mileage (up to 40,000 miles) premium car. I have £14,000 to spend and drive about 25,000 a year. I was looking at either the Mercedes CLS or a BMW 6 Series. What would you advise?

Car sold with illegal mix of tyres - what can I do?

I have discovered that my recently purchased BMW 6 Series has run flats on the rear axle, but none on the front. I am trying to persuade the BMW dealer to replace the front with a pair of run flats, what...