I had one tyre replaced because it had been run flat. Then they said I needed the other three replacing because they were below 1.6mm, which is the UK minimum legal limit. I asked what the depth of the tread was across the central three-quarters of the tyre and was told they were deeper than 1.6mm. By law the legal tyre tread depth for cars in the UK is 1.6mm across the central three-quarters of the tyre and its entire circumference. Not at anytime did they say because the central three-quarters were below 3mm but deeper than 1.6mm they recommend that they’re changed. They tried to sell me tyres I didn’t need.