Thanks that's what I thought.They are there ony to keep things lined up when changing the wheels-
You can use something like this as the discs and spacers will keep rotating as you try and line them up without...
ALLOY WHEEL ALIGNMENT TOOL FOR BMW CARS M14 X1.25 FITTING REMOVAL NUT BOLT 54 | eBay
M14 X 1.25. Fits any M14 x 1.25 thread bolt hole. Simply screw threaded end into one of the bolt holes on the wheel hub and slide alloy over to quickly locate it. Ideal for use with bmw cars. Speeds up the process of fitting spare wheels.www.ebay.co.uk