Parts Information
| Part | Manufacturer | OEM Part # | Price | Notes |
| Serpentine Tensioner |
| M3 | BMW | 11281717188 | 112.37 | |
| 318i, is, iC, ti | BMW | 11281432104 | 125.95 | |
| 323i |
| Mechanical Tensioner |
| Alternator Belt | BMW | 11281427252 | 75.85 | |
| AC Belt | BMW | 11281433571 | 124.18 | |
| Hydraulic Tensioner | BMW | 11281717188 | 112.37 | |
| 323is, iC | BMW | 11281717188 | 112.37 | |
| 328is, iC | BMW | 11281427252 | 75.85 | |
| 323 & 325i, Ci, it, xi |
| Alternator Belt |
| AC Belt |
| To 9/02 | BMW | 11281433571 | 124.18 | |
| 328 & 330i, Ci, xi |
| Mechanical Tensioner |
| Alternator Belt | BMW | 11281427252 | 75.85 | |
| AC Belt |
| To 9/02 | BMW | 11281433571 | 124.18 | |
| Hydraulic Tensioner | BMW | 11281717188 | 112.37 | |