BMW Diesel Guide: Reliable Engines, Problems and Recommendations

Introduction

BMW diesel engines have evolved significantly over the years. Some are legendarily reliable, others have known problems. This guide shows you everything you need to know.

1. BMW Diesel Engine Generations

Timeline:

• M47/M47TU (1998-2007): First modern generation
• M57/M57TU (2000-2008): 6-cylinder, very reliable
• N47 (2007-2015): 4-cylinder, chain problems 🚩
• B47 (2014-present): Modern, improved
• B57 (2015-present): New 6-cylinder

2. M57 - LEGENDARY

Specifications:

• Capacity: 3.0L 6 cylinders
• Power: 184-286 HP
• Models: E46, E60, E90, X5 E53/E70

✅ Advantages (Excellent):

• ⭐ EXCEPTIONAL reliability
• ⭐ Smooth power, 6 cylinders
• ⭐ No chain problems
• ⭐ Decent consumption: 7-8L/100km
• ⭐ Huge torque (up to 580 Nm)

Verdict: 🥇 THE MOST RELIABLE BMW DIESEL ENGINE!

Conclusion

TOP 3 BMW Diesel Engines:

🥇 M57 (3.0d 6-cylinder): Legendary reliability 🥈 B47 (2.0d modern): Perfect balance 🥉 M47 (2.0d old): Small budget, reliable

TO AVOID:

❌ N47 (2007-2014): Problematic timing chain