BMW is celebrating motorcycle racing legend Valentino Rossi’s 46th birthday with a limited-run M4, but you’ll need to be quick – and have deeper pockets than ever – if you want to buy one.

Rather, this limited-edition model pays tribute to nine-time motorcycle racing champion and iconic BMW Motorsport works ...

BMW is celebrating motorcycle racing legend Valentino Rossi's 46th birthday with a limited-run M4, but you'll need to be quick – and have deeper pockets than ever – if you want to buy one.