Ask Honest John

Most recently answered remapping questions
Is it worth the cost of a remapping of the cars ECU on my BMW X1 2.0d?
Is it worth remapping my 2020 Mazda 6 Skyactive 165ps?
Is remapping your car a good idea?
I part-exchanged my car two months ago for a 2019 BMW M140i from a trader. Within weeks of owning the car, I discovered it had been engine mapped. The trader acknowledged my complaint but said he needed...
I hear a lot about remapping, but two things concern me. Firstly, should there be some sort of register of remapped vehicles as at the moment there is nothing to stop you from inadvertently buying a remapped...
If I have my engine remapped, do I have to inform my insurance company? Will it affect my insurance?
Will a remap affect the warranty on my BMW X1?
I need some legal advice. I bought a 2018 BMW M140i in February from a used car garage (not BMW). Car was sold as having BMW warranty until 2021 and no mentions of any accidents. After I bought the car...
I bought a 2013 Volkswagen Transporter from a Volkwagen commercial van dealer in Wales six months ago. I've already had the van back there for a couple of warranty issues, but recently an engine management...
I'm a sole trader who recently sold an Audi A3. The buyer said they were having it remapped even though I told them it would void any warranty on the engine, clutch and gearbox. Subsequently, almost straight...

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