Not much of an update, but took the car to badger5 earlier with regards to a small whining coming from the engine. Bill quickly picked up that this was the alternator, and currently isn't causing any problems
Also Bill and his team sorted out 2 boost leaks on my intercooler pipework now
It held 2bar no
problem, and as a result, the the maf is measure an extra 12 g/s! dead chuffed