Should the antifreeze in my Citroen be changed every three or four years?

There does not seem to be a specific reference in the service schedule to changing the antifreeze in my 2006 Citroen 1.6-litre 16v. It is always checked at the service for concentration but does this take...

Why won't BMW repair rust damage on my 2003 BMW M3 under warranty?

My (June) '03-registered BMW M3 has developed several small bubbles on the paintwork of the boot lid (on the rear-facing surface). These appear to be early areas of rust. One area is associated with a...