Right, so what is an EA, and where is it in the car?

I know that the "ETA" is mounted underneath the intake manifold in an M104 engined car.

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Paul S.

2001 E430, Bourdeaux Red, Oyster interior.
79,200 miles.

1973 280SE 4.5, 170,000 miles. 568 Signal Red, Black MB Tex. "The Red Baron".