1987 300E M103 engine, started to develop a gas odor at idle or when parked in the garage after arriving home. Sometimes, quite pungent. So on a cold engine, I removed the air filter, exposed and wiped down the EHA, and started it up....sure enough, it's weaping from the body of the EHA and not from the seals. Crap. So I ordered a new EHA and it's en route...
But here's my question: is it a bolt on job? I've read that some EHA's need calibration? Would it come calibrated or is it engine specific and I would need to do that? (not sure how to, nor would I have the tools)
Thanks guys.
Cam

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1987 300e W124 M103 My baby.

It is just a remove and replace bolt on.

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1999 Porsche 996 Carrera Convertible
1994 420E - SOLD
1986 300E - SOLD, what a car
609 Certified

I'm not so sure about that.....I don't think its just "1 step bolt on"....It does have a screw on it for fine tuning.....it might work perfect when you put it on, or it might need tweaking with that screw.....either way its probably not very difficult.

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