03/08/2026
Got a B48 BMW and noticing low coolant or sweet smell after driving? Our quick guide explains why the oil filter housing often causes slow coolant loss, how to diagnose it (pressure test, UV dye, look for pink/white residue), and realistic repair cost estimates so you can avoid overheating or costly engine damage. Read the full breakdown and step-by-step diagnostic checklist — check your VIN for recalls and learn when to stop driving and get it inspected. Discuss your symptoms below or click to learn more: https://wix.to/xOHsug3 🔧🚗
Is your BMW B48 engine losing coolant? Learn the most common causes of coolant leaks, including oil filter housing failure, warning signs, diagnosis, repair costs, and expert troubleshooting tips to prevent overheating and expensive engine damage.