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BOSCH Alternator - K & R Models 50 Amp / 12 31 2 306 020 BOSCH Alternator - K1200 60 Amp / 12 31 2 305 888
Price $309.00
Price $325.00
Part #: BMW-ALT1/020

Original Equipment New BOSCH 50 amp alternator for K1, K75, K100, K1100 1983-99, and R Series 1993-2006 with 700 watt / 50 amp alternator. Also replaces 450 Watt / 33 amp unit on earlier K models. This alternator has 50% more amperage output than the original Bosch alternator 1983-1988 K100/K75 applications

Vehicle Manufacturer: BMW

Application: BMW K1, K75, K100, K1100, R1100, R1150, R1200

Make/Model: BMW : K1, K75, K100, K1100, R1100, R1150, R1200

Model Years: 1983 to 2006  (refer to "Extended Information" Tab for more specific application information )

Vehicle Mfg. Part #: 12 31 2 305 315 (32A), 12 31 2 306 020 (50A)

Power Rating: 14 V ; Idle 378 watts / 27 amps ; Maximum 700 watts / 50 amps

Original Equipment:   BOSCH

Technical Information: Brand new OE BOSCH alternator will also retrofit earlier K models with 14V 32 amp alternator. This retrofit will require adaptor kit with new alternator clutch housing (BMW # 12 31 2 305 329), driving dog (BMW # 12 31 1 460 304) and rubber mounting dampers ( BMW # 12 31 1 464 877 x 3).
Part #: BMW-ALT2/888

Original Equipment New BOSCH 60 amp alternator for K1200 with 840 watt / 60 amp alternator.

Vehicle Manufacturer: BMW

Application: BMW K1200 1997-2004

Make/Model: BMW : K1200

Model Years: 1997 to 2004

Vehicle Mfg. Part #: 12 31 2 305 888

Power Rating: 14 V ; Idle 518 watts / 37 amps ; Maximum 840 watts / 60 amps

Original Equipment:   BOSCH

Technical Information: Brand new OE BOSCH alternator
BOSCH Alternator - R Model 259 (& K Upgrade) 60 amp / 12 31 2 306 955 BOSCH Alternator - R1200 RT, GS 55 amp / 12 31 7 676 907
Price $325.00
Price $349.00
Part #: BMW-ALT3/955

Original Equipment New BOSCH 60 amp alternator R Series 2001 with 840 watt / 60 amp alternator.
Higher output (+ 20% = + 10 amp) version of BMW-ALT1/020.

Vehicle Manufacturer: BMW

Application: BMW R Series, 2001-2004

Make/Model: BMW : R1150RT, R1200C

Model Years: 2001 to 2004

Vehicle Mfg. Part #: 13 31 2 306 955

Power Rating: 14 V ; Idle 518 watts / 37 amps ; Maximum 840 watts / 60 amps

Original Equipment:   BOSCH

Technical Information: Brand new OE BOSCH 60 amp alternator. Will retrofit earlier 50 amp model Part # BMW-ALT1/020 - see for more information regarding rotor adaptation
Part #: BMW-ALT4/907

Original Equipment New BOSCH 55 amp alternator R Series 2004-on. with 840 watt / 60 amp pad mount alternator.
Higher output (+ 40% = + 15 amp) version of Denso 40 amp unit BMW # 2 306 280.

Vehicle Manufacturer: BMW

Application: BMW R900RT, R1200GS, R1200RT 2005-on  "Hex-Head"

Make/Model: BMW R900RT, R1200GS,  R1200RT 2005-on  "Hex-Head"

Model Years: 2004 to 2009

Vehicle Mfg. Part #:
...2 306 280 (Denso 40A), 12 31 7 676 792 , 12 31 7 676 907 (BOSCH 55A)

Power Rating:
14 V ; Idle 350 watts / 25 amps ; Maximum 770 watts / 55 amps

Original Equipment:   BOSCH

Technical Information:
Brand new OE BOSCH 55 amp alternator.
Will retrofit early model R1200GS with 40 amp alternator BMW Part # 2 306 280
Oil Seal - Moto Guzzi / behind alternator rotor / 904 028 40 Oil Seal, Timing Cover for behind Alternator Rotor - BMW Airhead / 11 1 41 255 011
Our Price: $7.95
Our Price: $7.95
Part #: MGSeal-840

Replacement oil seal for behind alternator rotors on Moto Guzzis. Fits behind all Bosch and EnDuraLast Alternator Rotors. Required when retrofitting EnDuraLast Charging System in place of Saprisa Rotor. 

Vehicle Manufacturer: Moto Guzzi

Application: All Moto Guzzi with Bosch or EnDuraLast Charging System. Required replacement with Saprisa Systems (1990-1993).

Make/Model: Moto Guzzi

Model Years:  1974-2010 

Vehicle Mfg. Part #: MG Ref # 904 028 40

Technical Information: Dimensions - 28mm x 38mm x 7mm
 		Part #: BMWSeal-011

Replacement oil seal for behind alternator rotor on all BMW. Fits behind all Bosch Rotor and EnDuraLast Alternator Kit Rotors on BMWs.

Vehicle Manufacturer: BMW

Application: All BMW

Make/Model: BMW

Model Years: All

Vehicle Mfg. Part #: BMW Ref # 11 1 41 255 011

Technical Information: Dimensions 28mm x 47mm x 7mm