Classic black and white 1975 two-valve R90/6; starts, runs, and rides perfectly! Just completed major updates, including:

New base gaskets, head gaskets, pushrod tube seals, valve cover gaskets, engine pan gasket.
New standard rings (with cylinders cross-hatch honed).
New valve covers, left and right
Rebuilt Bing carbs, all new gaskets
Rebuilt speedometer/odomoter; original mileage display maintained.
Rebuilt / honed master brake cylinder with new piston and seals
Rebuilt ATE wheel cylinder, with new pads and de-glazed disk
SS braided brake line
Power coated rear subframe and components (brake rod, batter box)
Excellent tires (Dunlop Gold Seal K's, front and rear)
Strong battery with SAE charger cable
All new fluids–oil and filter; trans; drive shaft; rear drive, to spec.
New plugs
This very bike was featured in the Sept. 2007 MOTORCYCLE CLASSICS magazine with a 4-page spread; copy of the mag is included.
Also included:
Original Owner's Manual (yep, the blue one)
BMW standard tool kit (roll-up)