EnDuraLast Premium Quality Remanufactured Alternator - Remanufactured to Original Equipment Specifications by a Bosch Authorized Remanufacturer.
NOTE : These alternators are not always provided with the solid pulley from Bosch. We recommend that you keep and reuse your old Bosch or Denso 67mm pulley.
Core Return Program:
- Return your used starter for a $100.00 credit. A pre-paid return label will be provided with the order when Starter Core Charge option is selected.
- A pre-paid shipping label will not be included for core return credits for international customers due to the high freight costs.
Vehicle Manufacturer: BMW Application: BMW K Bike, Oilhead Models Make/Model: BMW: K75, K1100, R850, R1100, R1150, R1200 Model Years: 1993 - 2006 Manufacturer #: 12 31 2 306 020 (50A), Bosch # 0 123 105 001 Power Rating: 14 V ; Maximum 700 watts / 50 amps Warranty: 24 Months (See APPLICATION TABLE tab BELOW to verify vehicle fitment)
NOTE: This alternator will also retrofit earlier K models with 32 amp alternator (BMW # 12 31 2 305 316). The retrofit will require the following components available on our website for a proper installation:
- rubber drive dogs BMW-ALTK877 (3 piece set BMW # 12 31 1 464 877)
- alternator clutch housing BMW-ALTK329 (BMW # 12 31 2 305 329)
- driving dog BMW-ALTK304 (BMW # 12 31 1 460 304)
- coolant expansion tank reservoir BMW-ResK650 (17 11 1 464 650)
- 100% New Brushes
- Painted Pulleys
- New Terminal Hardware
- New Diodes or Tested for Load
- New High Temperature Insulators
- Rectifiers Load Tested or New
- Precision Polished to .003 Total Indicated Runout
- New Diode Trios or Tested for Strength
- New Voltage Regulators or Tested for Maximum Voltage
- New Bearings
- Stators Electronically Tested for Phase Capacity
- Rotors Electronically Tested to Ensure High Current Capacity Production
- Fully Load Tested to OEM Specification
| EME Part Number: | BMW-ALT1020 |
| BMW Part Number: | 12 31 2 306 020 |
| Model | Year |
| OILHEAD MODELS | |
| R850C (59C1) | 01/97-09/00 ECE |
| R850GS (259E) | 10/96-07/00 ECE |
| R850R (259R) | 03/94-11/02 ECE |
| R850R (259R) | 08/95-04/97 USA |
| R850R (R28) | 11/99-07/07 ECE |
| R850RT (259T) | 03/96-11/01 ECE |
| R850RT (R22) | 06/00-02/06 ECE |
| R1100GS (259E) | 04/93-12/99 ECE |
| R1100GS (259E) | 02/94-07/06 USA |
| R1100R (259R) | 09/93-04/01 ECE |
| R1100R (259R) | 09/94-11/00 USA |
| R1100RS (259S) | 01/92-06/01 ECE |
| R1100RS (259S) | 06/92-02/01 USA |
| R1100RT (259T) | 05/94-08/01 ECE |
| R1100RT (259T) | 09/94-07/01 USA |
| R1100S (259S) | 12/96-07/05 ECE |
| R1100S (259S) | 01/97-09/04 USA |
| R1150GS (R21) | 09/98-11/03 ECE |
| R1150GS (R21) | 09/98-11/03 USA |
| R1150GS ADV (R21A) | 07/01-09/05 ECE |
| R1150GS ADV (R21A) | 07/01-09/05 USA |
| R1150R (R28) | 11/99-06/06 ECE |
| R1150R (R28) | 03/00-02/06 USA |
| R1150R Rockster (R28) | 03/02-07/05 ECE |
| R1150R Rockster (R28) | 03/02-07/05 USA |
| R1150RS (R22) | 11/00-11/04 ECE |
| R1150RS (R22) | 11/00-01/04 USA |
| R1150RT (R22) | 01/00-03/06 ECE |
| R1150RT (R22) | 02/00-02/06 USA |
| R1200C (59C1) | 04/96-05/03 ECE |
| R1200C 98-03 (59C1) | 06/96-05/03 USA |
| R1200C I (59C3) | 05/00-05/03 ECE |
| R1200C I 01-03 (59C3) | 09/00-05/03 USA |
| K BIKE MODELS | |
| K75 (K569) | 12/84-11/96 ECE |
| K75 (K569) | 07/90-09/95 USA |
| K75RT (K569) | 01/89-06/05 ECE |
| K75RT (K569) | 09/89-01/95 USA |
| K75S (K569) | 10/85-05/95 ECE |
| K75S (K569) | 05/86-09/94 USA |
| K1100LT (89V2) | 06/89-04/99 ECE |
| K1100LT (89V2) | 02/92-03/97 USA |
| K1100RS (89V2) | 04/92-12/96 ECE |
| K1100RS (89V2) | 11/92-06/96 USA |