Parts Information
| Part | Manufacturer | OEM Part # | Price | Notes |
| Muffler | ||||
| Front | BMW | 18307544263 | 539.71 | |
| Rear | ||||
| Without Sport Package | BMW | 18307544264 | 1057.17 | |
| With Sport Package | BMW | 18307839271 | 1057.17 | |
| GT | ||||
| Front | BMW | 18307578197 | 579.04 | |
| Rear | ||||
| Right | BMW | 18307578204 | 797.22 | |
| Left | BMW | 18307578203 | 797.22 |