I was watching a car buyer on YouTube, and he had bought a Z4 2.5 for £1000. He took it to the ZED Shed for an inspection, 20 minutes, and he certainly has an in-depth knowledge of the Z4
High Peak Autos on youtube have just uploaded a vid on a grey E85 bought for £1000 off this very forum I believe... I quite like his channel, second hand dealer...