Mine was already off, so I finished what the PO had started, I ditched teh EGR, all the plumbing, for intake and exhaust, vac plumbing gone, and modified to allow the distributor to retain it's retard function, and essential WUR vac lines modified...My car is beyond any emissions legislation eligibility...so it doesn't matter..

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RIP: 80 300SD
RIP: 79 450SEL
2002 E430 4matic (212,000km)
2002 ML500 'sport'

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FACEBOOK: PANZER450