You also might want to test your camshaft sensor:
MINI Cooper R56 Camshaft Position Sensor Replacement (2007-2011) | Pelican Parts DIY Maintenance Article. Could definitely be VANOS as P0015 with MINI FC code 0x2D61 is VANOS, exahust: Closed-loop control fault, position not reached. 0x2845 is 'B' camshaft position timing over-retarded (bank 1) and 0x2D60 is VANOS, exhaust: closed-loop control fault, camshaft sticks. Depending on which one you have I've seen VANOS, skipped timing, or camshaft position sensor as the culprit. Report back with your findings!
VANOS sensor if needed:
MINI Cooper R56 - VANOS