RD2018
If your BMW M differential has developed a whining noise, vibration, or rough operation, this Bearing & Oil Seal Replacement Set provides a complete solution to restore smoothness, eliminate noise and prevent further damage.
Designed for BMW F87 M2, F80 M3, F82 M4, F10 M5 and F13 M6, this kit targets the most common issue in these differentials — bearing wear and seal failure — which leads to noise, oil contamination and reduced performance.
| Complete kit | 2× Input bearings — eliminates common noise source 2× Output bearings — ensures smooth power transfer 3× Oil seals — prevents leaks and contamination 1× Clutch sleeve shim — maintains correct tolerances 2× Side-cap O-rings — seals differential housing |
| Comprehensive solution | Everything required to restore differential performance and prevent future wear. |
| OEM-level precision | Engineered to match factory specifications for perfect fit and long service life. |
| Optional performance upgrade | Save 10% when purchased with our EvoHybrid LSD upgrade kit , designed to improve locking performance and durability. |
| Guided installation | Step-by-step video tutorial makes installation accessible even for first-time builders. |
| Required tools |
Differential Bearing Tool Pinion Bearing & Seal Tool |
| Why tools matter | Ensures correct bearing seating, prevents misalignment and premature failure. |
| Backlash target | 0.08–0.12 mm (verify with dial indicator). |
| Setup notes | Use correct carrier shims and verify contact pattern. |
| Pro tip | Fine-tune with shim packs in 0.1 mm steps. |
| Video guide | Full installation tutorial |
*Contact us if unsure about compatibility.