Swirl flaps
Signs: Can break off into the engine
Fix: Replace or blank off
Diesel · 1,995 / 1,951 cm³ · 85–120 kW
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Fuel: Diesel. Timing drive: chain.
In our database this engine is fitted to 8 model generations, among them: BMW 3 Series (E91/E92/E93), BMW 3 Series (E90), BMW 5 Series (E60), BMW 3 Series (E46), BMW 1 Series (E87), BMW 5 Series (E39) and 2 more.
The most expensive known risk is EGR cooler / valve: it usually appears at 120,000–200,000 km and costs €400–1,000 to fix.
| Fuel | Diesel |
|---|---|
| Displacement | 1,995 / 1,951 cm³ |
| Power | 85–120 kW |
| Years | 1998–2007 |
| Timing drive | Chain |
| Oil | 5W-30 · BMW LL-04 / LL-98 · ~5.2–6.5 L · every 15,000 km |
| Engine codes | M47D20, M47TUD20, M47TU2D20, M47N |
Faults that belong to the engine itself. They apply to every model with this engine, and each model has its own extra faults on its model page.
Signs: Can break off into the engine
Fix: Replace or blank off
Signs: Power loss, EGR codes
Fix: Replace EGR components
Intervals and typical prices, using the BMW 3 Series (E91/E92/E93) as an example. The app gives the exact plan for your car.
| Item | Interval | Typical price |
|---|---|---|
| Engine oil + oil filterEngine | every 15,000 km or every 12 months | €70–150 |
| Air filterEngine | every 30,000 km or every 24 months | €15–45 |
| Fuel filterFuel | every 30,000 km or every 24 months | €40–110 |
| Glow plugsEngine | every 100,000 km | €120–300 |
| Auxiliary (serpentine) beltEngine | every 120,000 km | €70–180 |
| Coolant replacementCooling | every 150,000 km or every 96 months | €70–150 |
| Timing chain inspection (listen on cold start)Engine | every 150,000 km | €0–120 |
Model generations this engine is fitted to.
BMW 1 Series (E87) 2004–2011BMW 3 Series (E46) 1998–2006BMW 3 Series (E90) 2005–2012BMW 3 Series (E91/E92/E93) 2005–2013BMW 5 Series (E39) 1995–2004BMW 5 Series (E60) 2003–2010BMW X3 (E83) 2003–2010Land Rover Freelander 1 1998–2006
Chain.
5W-30 · BMW LL-04 / LL-98 · ~5.2–6.5 L · every 15,000 km.
The faults with the highest risk: swirl flaps (120,000–200,000 km, €200–500); EGR cooler / valve (120,000–200,000 km, €400–1,000).
BMW 3 Series (E91/E92/E93), BMW 3 Series (E90), BMW 5 Series (E60), BMW 3 Series (E46), BMW 1 Series (E87), BMW 5 Series (E39) and 2 more.
Faults, intervals and prices are indicative and collected from public sources and owner experience; always rely on the service book and a qualified workshop. Test statistics: DVSA – Anonymised MOT tests and results, Open Government Licence v3.0. Dutch tests: RDW Open Data (CC0). Engine versions: EEA, monitoring of CO₂ emissions from new passenger cars (CC BY 4.0, DG CLIMA). Owner complaints: NHTSA ODI (public domain). Recalls: DVSA Vehicle Safety Branch Recalls Database, OGL v3.0. Brand and model names are trademarks of their owners and are used only to describe the vehicles.
Updated 08/10/2026