Ask Honest John

Most recently answered runflat tyres questions
Time has come to replace two of the Dunlop 225/50/R17/94W Dunlop Sport 01 run flat tyres on my car. I am considering changing to non run flat tyres and I believe you have suggested a suitable alternative...
I have a BMW 335i with 255/40 (rear) and 225/45 (front) run-flats. Both sets are original fit and have 23k miles on them. I still have 4mm plus on the rears and 5mm plus on fronts. I will change the rears...
I have a 2005 BMW 535d M Sport Touring fitted with standard run-flats that give a hard and uncompromising ride. I'm swapping them round with a view to wearing them evenly so I can change to standard tyres,...
I can’t see the point of space-saver emergency wheels. A wheel well has to be large enough to take the road wheel when the space-saver is fitted so they do not save space. Also, an alloy road wheel only...
We have just had our BMW320CI convertible serviced by AH Autos at Guildford (who offer a fantastic service at realistic prices). They have identified a cracked front wheel 225/40/18 and two buckled wheels,...
I have a BMW 320D Coupe M Sport – 255 tyres rear and 225 front on 18 in rims. Very satisfied with car, BUT ride / handling is awful, if I hit a bump at speed car ‘jumps’ off course, which does not instil...
In 2005 XXX fitted a runflat Bridgestone tyre to my SEAT Leon Cupra (can’t say a bad word about the car). I was sold it as a “special deal”. Having found the invoice it doesn’t appear to be special at...
I have a BMW 530D Auto - coming up for its 5th birthday. I am pretty pleased with it and plan to keep it for about 2 or 3 more years. My only niggle really is that the ride is a bit harsh - I have low-profile...
My wife's BMW 330 convertible (purchased new and now 18 months old) developed a puncture in the nearside rear tyre, which is a Dunlop 'runflat'. The car has covered less than 15,000 miles and tread depth...
Am I correct in assuming that the runflat tyres you refer to are on BMWs, or are they readily available on all so-called ‘quality’ cars.