No photos as M3W on recovery truck. Awaiting official inspection.At time could not understand cause. From visual inspection and by feel no metal breakage found. After much thought maybe the steering column had not been pushed into the uvjoint far enough to locate the locking bolt and column locking indent.Check UV's if you have had steering wheel re-alignments done or check anyway. Damage to n/s lower wishbone on contact with wall. Nerves a little shot. Still had 4000mls of mega-fun, so stiff upper lip and carry on!