FRIEND or FOE?

Your bike’s internal combustion engine needs air to perform the ‘combustion’ bit. Here’s the lowdown on getting it in, keeping it clean and delivering it the best way

CM reader, Malcolm Rainier, buys and sells a few motors during the year. Recently he has concentrated on buying (and repairing) the Mazda CX-5 range. Here Malcolm tells us his experience with the SUV, which has a bad reputation in the trade.

While earlier models had drip-fed us diesel economy with Jaguar style, the XF was the first to be conceived this way. Here’s how to buy the best oil-burner you can.

Jaguar World's technical advice service

After a long trip, I found a small end section of the heat shield scraping on the road. It looks like it had ‘wafted’ up and down for a long time to split along the 350mm length. I contacted Peugeot S