Ask Honest John

Most recently answered runflat tyres questions
BMW do not fit run flat tyres as standard on their BMW 128ti, or indeed even offer run flat as an option. As old school, I like to have some protection in the event of a puncture so would like to fit run...
The low profile tyres on our BMW 530d xDrive are easily damaged by potholes, as are the alloy rims. Is there a safe alternative?
My 2019 BMW Z4 will soon need new tyres. Should I renew with runflats or not? The latest G29 M4s are not fitted with runflats by BMW and lots of drivers say comfort levels are much improved with regular...
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...
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?
I have recently purchased an Audi A7 on 20-inch wheels. If I replace the wheels for 18-inch wheels would I achieve a greater level of comfort? Would you recommend run flat tires on 18-inch wheels?
My 2017 VW Golf GTE has 225/40-18 tyres which will soon need replacing. The Michelin Cross Climates are attractive and often recommended by you. However, the runflat version (Zero Pressure) only seems...
I have Mercedes E350 with run flat tyres, if I replace these with ordinary tyres would this affect the insurance or my Mercedes service and breakdown cover?
My car has no spare, nor room for one due the batteries, and I am reluctant to solely rely on the Tyre Slime to get me home. I have been looking to fit Pirelli All-Season XL Seal Inside tyres, however...
My wife's 2014 Mercedes C-Class Estate has non-runflats from factory (225/17/50). I would like to fit Michelin Crossclimate + ZP runflats, starting with 2 rear wheels then two fronts. Can I retro-fit...
 

Value my car

Save £75 on Warranty using code HJ75

with MotorEasy

Get a warranty quote

Save 12% on GAP Insurance

Use HJ21 to save on an ALA policy

See offer