1997 E420 M119 Engine Question
While I was changing to spark plugs, I noticed a black rubber-ish hose that connects from the top of the intake manifold to the top of the right (passenger side) exhaust manifold was all soft, full of cracks and almost fallen completely apart to pieces. What is this hose for ? The car seems to run fine and normal even with this hose not connected ?
Please help and TIA for any answers.
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