Common BMW Repairs: Costs and When to Do Them

Introduction

Owning a BMW comes with certain predictable repairs. This guide shows you the most frequent repairs, real costs and when to anticipate them.

1. Timing Chain (N47, N20) 🚨

Affected engines:

• N47 (2.0 diesel, 2007-2014): Most problematic
• N20 (2.0 turbo petrol, 2011-2015)

Symptoms:

• Metallic noise on cold start
• Unstable idle
• Engine light (codes P0016, P0017)
• Loss of power

When to do:

⚠️ PREVENTIVE at 100,000 km (N47) ⚠️ At first signs (don't wait!)

Costs:

⚠️ Important: If chain breaks = destroyed engine (£2,400-6,400!)

2. Turbo (Turbocharger)

When it wears:

• N54: 120,000-180,000 km
• N47: 150,000-250,000 km

Costs:

• New original turbo: £1,440-2,640
• Reconditioned: £720-1,200

Conclusion

Top 3 Costly Repairs:

1. Timing chain (N47): £1,200-2,000
2. Turbo: £1,200-2,400
3. Transmission: £1,600-3,200

Prevention = Savings: Regular service + Quality OEM parts + Specialized mechanics = Predictable costs