I heard without that piece the engine oil will overheat, steering lock will fail, rotors will warp, hatch won't open on first press, synrcos will grind(luckily you have an auto) and then all the oil will leak causing a massive consumption problem that will destroy the engine.
I wouldn't worry too much though, these are common problems with the Z
Just kiddingggggggggggggggggggggggggggggggggggggggggggg ggggggggg
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