plug and play and bleed. each caliper has a bleed screw. bleeding the brakes is a two man (woman) job. one to pump and one to bleed the brake fluid from the calipers.

one big thing to watch for. be careful when you thread in the brass connectors to the new MC. they are very very easy to cross thread. i suggest you thread them in first THEN wiggle the MC onto the two studs.

I assume you have a shop manual to do this?

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Ben
1987 190d 2.5Turbo