Is TPMS accurate?

How accurate are the tyre pressure monitors factory fitted to the wheel rim. have a 71-plate BMW 118 and after using the gauge on the pump to inflate the tyres to the correct pressure, the electronic information...

Is it possible to use nitrogen to inflate tyres?

Is it possible to buy a small pressurised container of Nitrogen to top-up Nitrogen inflated tyres? I can get this done at my local ATS depot, but would consider buying a Nitrogen supply for emergency...

What's the best tyre inflator?

Is there an accurate reliable inflator on the market: I've been using one purchased from the AA, but the readout is erratic, the viewed Pounds Per Square Inch numbers jump 2 or 3 pounds at a time. I consider...

Do I need to increase tyre pressures in cold weather?.

I inflate my Qashqai tyres to the recommended level but on a cold morning they start 3 or 4 psi below this for at least 10 miles. Should I compensate and put more air in when I check them so they are always...