BMW have always sent me a warranty reminder letter with a reference number to use on their website. This gives a personalised quote with varying levels of cover. Unlike gannet I paid the ridiculous amount for a no excess warranty and so far feel quite at ease with my choice given the work, both diagnostic and actual, that I've had carried out so far. The peace of mind in having the warranty is worth having for me although as the value of the car continues to decrease then I'll keep reviewing it's worth. There is no way that I'll pay the price for the warranty if I've still got the car when it's over 60,000 miles.