at RC Imports in Rockville. Have to go on a road trip this weekend. My vacuum system has a leak somewhere too. I have been replacing rubber connectors here and there, but haven't found the problem yet. I think my fuel shutoff is sucking oil, I dunno. Took like twenty seconds to shut off the other day, but today it shut off in about 1 or 2. Little rubber connections and hard vac lines are a little greasy with oil. These cars are weird. Car runs great otherwise.
I had my rear axles replaced and my brake system bled and they did a good job. Brakes work great, car goes smooth. Getting engine mounts replaced and other routine work I can't or don't have time to do myself. They seem to be pretty good with short turnaround. Another recommendation would be Mitch Carr's in Kensington. Haven't gone there yet, but if RC can't do anything with my tranny not getting vacuum I'll take it there. No way I'm messing with that stuff myself.
Both places metro accessible, RC is right across the street at Rockville station and Mitch Carr's will pick you up at Grosvenor.

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'02 BMW 325i
'85 300D 450k
'93 190E 2.6 170k(killed by tree)
'08 Ducati Hypermotard 1100S 6k
'06 Ducati S2R800 14k(sold)