Remove and install with 4mm Allan Key.
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| EME Part Number: | BoltM5x45 | |
| BMW Part Number: | 12 31 2 322 417 | |
| AIRHEAD | ||
| Model | Year | |
| R45 (248) | 01/78-07/85 ECE | |
| R45/N (248) | 03/78-07/85 ECE | |
| R45T (248) | 10/80-06/85 ECE | |
| R45T/N (248) | 09/80-07/85 ECE | |
| R50/5 (2476) | 08/69-07/73 ECE | |
| R60 TIC (2477) | 09/78-11/82 ECE | |
| R60/5 (2476) | 08/69-07/73 ECE | |
| R60/6 (2476) | 01/74-05/76 USA | |
| R60/6 (2476) | 07/73-06/76 ECE | |
| R60/7 (2477) | 05/76-04/80 ECE | |
| R60/7 (2477) | 07/76-11/77 USA | |
| R65 20KW (2472) | 04/85-06/93 ECE | |
| R65 35KW (2472) | 06/85-10/88 ECE | |
| R65 (2472) | 07/85-05/87 USA | |
| R65 (248) | 01/78-07/85 ECE | |
| R65 (248) | 07/78-04/85 USA | |
| R65GS (2471) | 11/87-11/92 ECE | |
| R65LS (248) | 06/81-02/85 USA | |
| R65LS (248) | 03/81-03/85 ECE | |
| R65RT SF (2472) | 07/85-11/88 ECE | |
| R65T (248) | 09/80-07/85 ECE | |
| R75/5 (2476) | 08/69-07/80 ECE | |
| R75/6 (2476) | 01/74-06/76 USA | |
| R75/6 (2476) | 09/73-06/76 ECE | |
| R75/7 (2477) | 05/76-01/79 ECE | |
| R75/7 (2477) | 07/76-06/77 USA | |
| R80 85-87 (2472) | 07/84-07/87 USA | |
| R80 (2472) | 03/84-01/95 ECE | |
| R80 (2477) | 04/77-07/80 USA | |
| R80 (2477) | 04/77-11/84 ECE | |
| R80G/S (2471) | 06/80-03/87 USA | |
| R80GS PD (47E1) | 06/90-07/90 ECE | |
| R80GS PD (47E2) | 08/90-06/95 ECE | |
| R80GS (2471) | 05/80-07/87 ECE | |
| R80GS (47E1) | 01/87-07/90 ECE | |
| R80GS (47E2) | 04/90-10/95 ECE | |
| R80GS (47E3) | 01/96-12/96 ECE | |
| R80R Mystik (2473) | 03/94-03/95 ECE | |
| R80R (2473) | 03/91-06/94 ECE | |
| R80RT 85-87 (2472) | 07/84-04/87 USA | |
| R80RT (2472) | 07/84-12/95 ECE | |
| R80RT (2477) | 08/82-10/84 USA | |
| R80RT (2477) | 06/82-11/84 ECE | |
| R80ST (2471) | 04/82-10/84 ECE | |
| R80ST (2471) | 10/82-10/84 USA | |
| R80TIC (2477) | 06/78-01/85 ECE | |
| R90/6 (2476) | 09/73-06/76 ECE | |
| R90/6 (2476) | 01/74-06/76 USA | |
| R90S (2476) | 09/73-06/76 ECE | |
| R90S (2476) | 01/74-06/76 USA | |
| 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 91-95 (47E2) | 11/90-09/94 USA | |
| R100GS PD 91-95 (47E2) | 09/90-12/95 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 (47E1) | 12/86-07/90 ECE | |
| R100GS (47E1) | 01/87-03/90 USA | |
| R100GS (47E2) | 04/90-07/94 ECE | |
| R100R Mystik (2473) | 12/93-01/96 ECE | |
| R100R Mystik (2473) | 03/94-09/95 USA | |
| R100R (2473) | 09/91-12/95 USA | |
| R100R (2473) | 03/91-12/95 ECE | |
| R100RS 77-84 (2474) | 05/76-10/84 USA | |
| R100RS 88-93 (2478) | 08/87-08/92 USA | |
| R100RS (2474) | 03/76-11/84 ECE | |
| R100RS (2478) | 07/86-10/92 ECE | |
| R100RT 79-84 (2474) | 04/78-09/84 USA | |
| R100RT 88-95 (2478) | 08/87-12/95 USA | |
| R100RT (2474) | 06/78-10/84 ECE | |
| R100RT (2478) | 07/87-12/95 ECE | |
| R100S (2474) | 05/76-07/80 ECE | |
| R100S (2474) | 05/76-07/80 USA | |
| R100TIC (2474) | 11/80-09/84 ECE | |
| OILHEAD | ||
| R850R (259R) | 03/94-11/02 ECE | DASHBOARD MOUNTING PARTS |
| R850R (259R) | 08/95-04/97 USA | DASHBOARD MOUNTING PARTS |
| R850R (259R) | 03/94-11/02 ECE | DASHBOARD MOUNTING PARTS |
| R850R (259R) | 08/95-04/97 USA | DASHBOARD MOUNTING PARTS |
| R1100R (259R) | 09/93-04/01 ECE | DASHBOARD MOUNTING PARTS |
| R1100R (259R) | 09/94-11/00 USA | DASHBOARD MOUNTING PARTS |
| R1100R (259R) | 09/93-04/01 ECE | DASHBOARD MOUNTING PARTS |
| R1100R (259R) | 09/94-11/00 USA | DASHBOARD MOUNTING PARTS |
| K-BIKE | ||
| K1 (89V1) | 08/88-09/93 ECE | EXPANSION TANK COOLING SYSTEM |
| K1 (89V1) | 01/89-11/92 USA | EXPANSION TANK COOLING SYSTEM |