My BMW 635d smells unpleasant - is this the DPF regenerating?

My 3-year-old BMW 635d occasionally produces an unpleasant smell from underneath. This can best be described as being like 'burning rubber' or 'dead mouse'. It is the only problem with an otherwise perfect...

Can I recommend Tyrepal tyre monitors to your readers?

You asked for reader experiences of Tyre Pal. I bought a set just before Christmas 2011 when on offer at a near half price. The sensors are fitted to my S-Type Jaguar. When cold (4 degrees Centigrade)...