Audi RS4 B7: Can the Best RS Ever Made Win Over a BMW Guy?

With a 4.2-litre naturally-aspirated V8 under the bonnet, estate car practicality and a manual gearbox to sweeten the recipe, is the B7 RS4 'peak Audi'? 

We found out by putting our new presenter Alex Gassman, a self-confessed life-long 'BMW guy', behind the wheel to see if it can win him over.