Original Diode Board Rubber Mounts (x 4).
Ensure the diode board is properly grounded with external wire grounds. Incorrect grounding is a common cause of poor efficiency and reduced prevention of diode overheating.
Vehicle Manufacturer: BMW R Airhead 2 Valve
Application: BMW R Airhead 2 Valve with BOSCH Charging System R90S, All 1000cc Airheads
Make/Model: BMW R Airhead
Model Years: 1973-1996
BMW #: 12 31 1 358 131
Note: The following applications do not require these rubber stud mounts.
1970-1973 R50/5, R60/5, R75/51974-1976 R60/6, R75/6, R90/6 1978-1987 R65, R80 (See APPLICATION TABLE tab to verify vehicle fitment)
Ensure the diode board is properly grounded with external wire grounds. Incorrect grounding is a common cause of poor efficiency and reduced prevention of diode overheating.
Vehicle Manufacturer: BMW R Airhead 2 Valve
Application: BMW R Airhead 2 Valve with BOSCH Charging System R90S, All 1000cc Airheads
Make/Model: BMW R Airhead
Model Years: 1973-1996
BMW #: 12 31 1 358 131
Note: The following applications do not require these rubber stud mounts.
1970-1973 R50/5, R60/5, R75/5
Reuse your nuts and washers.
NOTE: Use BoltM5x20 if you have steel studs on the timing cover
NOTE: Use BoltM5x20 if you have steel studs on the timing cover
 |  |  |
| Part # BOALT-RubberMount131 | |
| BMW# 12 31 1 358 131 | |
| | |
| Model | Year |
| R100/7 (2474) | 05/76-06/77 ECE |
| R100/7T (2474) | 04/77-10/84 ECE |
| R100/7T (2474) | 05/76-07/78 USA |
| R100/T (2474) | 09/78-09/84 USA |
| R100CS (2474) | 06/80-10/84 ECE |
| R100CS (2474) | 09/80-09/84 USA |
| R100GS (47E1) | 12/86-07/90 ECE |
| R100GS (47E1) | 01/87-03/90 USA |
| R100GS (47E2) | 04/90-07/94 ECE |
| R100GS 91-95 (47E2) | 11/90-09/94 USA |
| R100GS PD (47E1) | 02/89-07/90 ECE |
| R100GS PD (47E1) | 06/89-04/90 USA |
| R100GS PD (47E2) | 08/90-02/96 ECE |
| R100GS PD 91-95 (47E2) | 09/90-12/95 USA |
| R100R (2473) | 03/91-12/95 ECE |
| R100R (2473) | 09/91-12/95 USA |
| R100R Mystik (2473) | 12/93-01/96 ECE |
| R100R Mystik (2473) | 03/94-09/95 USA |
| R100RS (2474) | 03/76-11/84 ECE |
| R100RS (2478) | 07/86-10/92 ECE |
| R100RS 77-84 (2474) | 05/76-10/84 USA |
| R100RS 88-93 (2478) | 08/87-08/92 USA |
| R100RT (2474) | 06/78-10/84 ECE |
| R100RT (2478) | 07/87-12/95 ECE |
| R100RT 79-84 (2474) | 04/78-09/84 USA |
| R100RT 88-95 (2478) | 08/87-12/95 USA |
| R100S (2474) | 05/76-07/80 ECE |
| R100S (2474) | 05/76-07/80 USA |
| R100TIC (2474) | 11/80-09/84 ECE |
| R80 (2472) | 03/84-01/95 ECE |
| R90S (2476) | 09/73-06/76 ECE |
| R90S (2476) | 01/74-06/76 USA |