Are run flat tyres best for dealing with pot holes?

I read with interest your reply to the reader who enquired about best tyres for potholes. My BMW 320i has 225/45R18 which are runflats. I have always assumed that runflats would be more resilient to pothole...

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...

What small plug-in hybrid would you recommend?

Can you advise as to which in you opinion is the best small PHEV hybrid? I'm not interested in a 'charge on the go' hybrid as a lot of my journeys are short and would not allow sufficient time to charge....

Is there a warranty on a replacement timing chain?

We had the timing chain replaced in October 2022, but the new one fitted has just snapped. Is there a warranty on all BMW products ? The garage who fitted it tell us there was only a years warranty on...

Do rear dashcams interfere with DAB signal?

I have just swapped cars from a BMW 1 series to a 5 series 2022 year model. My 1 series had the Nextbase 622 with front and a rear window camera. Nextbase say they cannot professionally fit the rear window...

Do I need to change both tyres if I get a puncture on one?

I have just had to replace a rear runflat tyre due to having had a puncture on my BMW 420i Convertible which had only done 8,000 miles, so I now have a new rear tyre and one that has about 4mm of tread...

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?

What's the best used EV for around £12,000?

As a family we have an Audi Q4 (my wife’s work car) and a Land Rover Discovery Sport (now 6 years old). I would love to be completely EV, but the 3+ long trips to the Alps we do each year with skis, bikes...

How often should I change the spark plugs on my car?

I have a 30,000 mile 2018 BMW X2. How often should I change the spark plugs ?

Is it worth remapping the ECU in my car?

Is it worth the cost of a remapping of the cars ECU on my BMW X1 2.0d?