| Part | Manufacturer | OEM Part # | Price | Notes |
| Hella |
| 400 HZ | BMW | 61331386253 | 30.83 | Order By Description & Year. |
| 500 HZ | BMW | 61331386252 | 29.17 | Order By Description & Year. |
| Klaxon |
| 420 HZ | BMW | 61331388904 | 54.00 | Contact Dealer for most current part and price information. Order By Description & Year. |
| 520 HZ | BMW | 61331388903 | 54.00 | Contact Dealer for most current part and price information. Order By Description & Year. |
| Fiamm |
| 410HZ | BMW | 61331386255 | 37.80 | Contact Dealer for most current part and price information. Order By Description & Year. |
| 510 HZ | BMW | 61331386254 | 37.80 | Contact Dealer for most current part and price information. Order By Description & Year. |