- March 2, 2025
- By David Baker
- In BMW Repair
- 29
- 0
A coolant leak in your BMW E46 3 Series can quickly become a major issue if left unaddressed. Coolant plays a vital role in regulating your engine’s temperature and preventing overheating. A leak can lead to engine damage, costly repairs, or even complete engine failure. Identifying and fixing the leak as soon as possible is