[Norretal]

Originally Posted by Conquistador

then that means the plastic swirl flaps are still there and are most likely all broken up and loose. Take it from me, it's quite scary removing the magnesium manifold and seeing one of the flaps balancing over an intake port ready to be eaten by the engine, and you can budget £1,000-£1,500 to get it done properly.

I was in this exact position two months ago, two intake ports blocked by broken flaps...fortunately had it opened up and gutted just in time.

It previously broke four years ago at 120k miles (20k miles earlier) and there wasn't much information available then so I had it repaired and refitted.

Loads of information and pics shared on here to show how it's done, if I were you it'd be the first job I'd have done.