The British Airways Visa Signature Card is back again with another 100,000 mile promotion. While it's not quite as good as last year's deal, which offered 100,000 bonus points after simply making one purchase and spending $2,500 during the first three months, the latest promotion still provides new cardholders with the opportunity to earn up to 100,000 bonus Avios points during the first year. The main difference between the two deals is that you'll have to spend a lot more this time around to bank all the sign-up bonus points, which means you may even need to make the British Airways Card your go-to credit card for most of the year. Here's a quick breakdown of what you'll need to do to earn the full 100,000 point bonus: