Two fantastic racing cars are for sale at the Silverstone Classic Race Car Sale 2017, but how much will they make?

Post your answer in the comments and the winner gets to boast that they called it first.

1991 BMW E30 M3 ‘Labatts’ livered, Ex-Tim Harvey

Estimate (£): 140,000 – 180,000

FINAL HAMMER PRICE (£): ???

1989 Ford Sierra RS500 ‘Labatts’ livered, Ex-Tim Harvey

Estimate (£): 180,000 – 220,000

FINAL HAMMER PRICE (£): ???