Clutch Diaphragm Spring for Airheads and Oil heads with production dates Post 09/1980
| BMW Part Number: | 21 21 1 242 353 superseded by 21 21 1 338 508 |
| Production date After | 9/1980 |
| Model | Year |
| AIRHEAD MODELS | |
| R45 (248) | 09/80-07/85 ECE |
| R45/N (248) | 09/80-07/85 ECE |
| R45T (248) | 10/80-06/85 ECE |
| R45T/N (248) | 09/80-07/85 ECE |
| R65 (2472) | 07/85-05/87 USA |
| R65 (248) | 09/80-07/85 ECE |
| R65 (248) | 09/80-04/85 USA |
| R65 20KW (2472) | 04/85-06/93 ECE |
| R65 35KW (2472) | 06/85-10/88 ECE |
| R65GS (2471) | 11/87-11/92 ECE |
| R65LS (248) | 03/81-03/85 ECE |
| R65LS (248) | 06/81-02/85 USA |
| R65RT SF (2472) | 07/85-11/88 ECE |
| R65T (248) | 09/80-07/85 ECE |
| R80 (2472) | 03/84-01/95 ECE |
| R80 (2477) | 09/80-11/84 ECE |
| R80 85-87 (2472) | 07/84-07/87 USA |
| R80G/S (2471) | 06/80-03/87 USA |
| 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 |
| R80GS PD (47E1) | 06/90-07/90 ECE |
| R80GS PD (47E2) | 08/90-06/95 ECE |
| R80R (2473) | 03/91-06/94 ECE |
| R80R Mystik (2473) | 03/94-03/95 ECE |
| R80RT (2472) | 07/84-12/95 ECE |
| R80RT (2477) | 06/82-11/84 ECE |
| R80RT (2477) | 08/82-10/84 USA |
| R80RT 85-87 (2472) | 07/84-04/87 USA |
| R80ST (2471) | 04/82-10/84 ECE |
| R80ST (2471) | 10/82-10/84 USA |
| R80TIC (2477) | 09/80-01/85 ECE |
| R100/7T (2474) | 09/80-10/84 ECE |
| R100/T (2474) | 09/80-09/84 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) | 09/80-10/84 ECE |
| R100RT (2478) | 07/87-12/95 ECE |
| R100RT 79-84 (2474) | 09/80-09/84 USA |
| R100RT 88-95 (2478) | 08/87-12/95 USA |
| R100TIC (2474) | 11/80-09/84 ECE |
| OILHEAD MODELS | |
| R850GS (259E) | 10/96-07/00 ECE |
| R850R (259R) | 12/97-11/02 ECE |
| R850R (259R) | 12/97-04/97 USA |
| R850RT (259T) | 12/97-11/01 ECE |
| R1100GS (259E) | 12/97-12/99 ECE |
| R1100GS (259E) | 12/97-07/06 USA |
| R1100R (259R) | 12/97-04/01 ECE |
| R1100R (259R) | 12/97-11/00 USA |
| R1100RS (259S) | 12/97-06/01 ECE |
| R1100RS (259S) | 12/97-02/01 USA |
| R1100RT (259T) | 12/97-08/01 ECE |
| R1100RT (259T) | 12/97-07/01 USA |