Hello everyone. I have been reading the forums on changing the GP and just want to say thanks for all the great advice. Last night I took out all my GP successfully. I guess I got lucky. Only #1 and #5 put up a bit of a fight but nothing serious. I did it with the engine very hot. When it was time to take the IM off I had to use gloves to handle it. I think the hot engine was key in getting the GP out in one piece.
Also my car only has 117k miles and I have no service record of anyone changing them before. The plugs that came out were original Beru.

Today I will clean the IM and put everything back. I see people give two different torque values for the GP 20NM and 27NM. Which one is the correct torque spec for the GP?

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99 E300TD
81 Porsche 911