Ask Honest John

Most recently answered runflat tyres questions
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...
I have a 2022 BMW 223i M Sport Active Tourer which came with non-run flat tyres fitted on BMW alloys. We suffered a puncture in a remote part of Scotland on holiday last week & the tyre repair kit was...
My BMW Z4 has a cracked alloy wheel and a punctured run flat on the rear can either of these be professionally welded/repaired (by say Lepsons or a properly qualified wheel/tyre repair outlet? If not what...
My BMW 428i Convertible has just completed 30K miles - I "celebrated" by buying the 4th & 5th new run flat tyres - all of which have been replaced due to damaged sidewalls. I have never hit any obstruction,...
My MINI Cooper has runflat tyres. I have just had the first service after two years at 9200 miles. The tread on the front tyres is now circa 3mm and the rear set is at circa 5mm. The wear seems excessive...