Very happy to receive the instrument. I opened it and it had engine oil and scratches on it indicating it had been used. Not the end of the world, just a little annoying.
Pros
Camshaft Retainer - Aligns the camshaft and holds it in position when the cylinder head is reassembled and the timing chain is replaced. Engines: M42, M44, M50, M52, M52TU, M54, M56, S50US, S52US.