For the vast majority of us, the Series Touring is all the car we could use or want. Read the full Top Gear review inside..The Series Touring is the smallest estate in BMW s line up, sitting below the larger Series Touring. It s offered with a range of petrol andsel engines, and you can even add four wheel drive xDrive in BMW speak if you need more traction for slippery surfaces..Can a six potsel engine and bigger boot make the Series even more appealing?.As the sole Series wagon for the Australian range, it s also likely to be a rare and treasured beast. The basics are much the same as the i .