Mclaren getting collected for some warranty work this morning - great service by Manchester. 
They have it and will contact me when they believe they have cured the resonance, I've told them it is a loose heatshield in engine bay, but shall await their findings.

They have it and will contact me when they believe they have cured the resonance, I've told them it is a loose heatshield in engine bay, but shall await their findings.
