Electrical Service Bulletins

Battery maintenance BMW & Isetta, electrical, battery Feb. 1957

Approved Taillight bulbs bulletin 8-78-13N

Battery warranty bulletin 5-70-5NS, effective 3-1-79

Ignition system bulletin 10-78-18NS

Centrifugal advance nut over-tightening 082 M, July 1973

Generator change for more power on your /5  126 M, June 1974

Front brake warning light 130 M, July 1974

Starter and horn relay confusion, 1035 R, Sept. 1977

Proper Starter Motor Cable position, 1042R, Jan. 1978

Stiffer contact breaker, 1071 R, July 1979

Handlebar switch defect, 1074 R, July 1979

Headlight off switch, 1080 R, Oct. 1979

Bosch spark plug ID change, 2002, Sept. 1979

R65 electric cable error, 2003, Sept. 1979

Quartz headlamp mod for the /5,  058 M, Feb 1973

Battery charger and tester, 044 July 2005

Spark arrester for R80GS off-road use, 2027 Oct. 1980

Ignition timing box for electronic system, 2036 June 1981

Diode board failures, 2156 March 1985

More diode board failures, 2323 Sept. 1988

Electrical circuit diagrams, 2211 June 1986 maybe these are still available

Improved rear brake light switch, 2263 Aug. 1987

Accessory socket fuse holder error, 2301 April 1988

Brake light switch failure, 2305 April 1988

Brake light switch recall, 2342 April 1989

R100GS heated handgrip failure, 2396 Feb. 1990

Grounding between engine and frame, 2548 Aug. 1992

Ignition coil failures, 2572 Jan. 1993

Ground wire disconnect warning, 2610 Oct. 1933

R model charging system issue, 2611 Nov. 1993

Spark plug torque, 2864 Feb. 1999 less is better than more