M47
BMW · M47 2.0 Diesel I4
1998–2007
"Pre-N47 diesel. Early M47D20 (non-common-rail) is simple. M47TU (2001+) has swirl flaps that can destroy engine. Remove flaps preventively."
Mileage Risk Timeline
When problems typically appear — enter your mileage to see your risk zone
Known Issues 2
Swirl flap catastrophic failure (M47TU)
▸Rattle or sudden failure
M47TU (2001+) swirl flap screws loosen. Metal enters engine. Preventive delete mandatory.
ΚΡΙΣΙΜΟ: Αφαίρεση swirl flaps. €100-200 αφαίρεση vs €1,500-8,000 αν σπάσουν.
Common rail injector failure
▸Hard start, rough idle, smoke
Injectors wear from fuel quality. Replace individually or set.
Μπεκ — ελέγξτε ανά 120k km. €400-1,200.
Other BMW Engines
Tuning Potential
180hp Stage 1 on common rail
Frequently Asked Questions
Is the BMW M47 reliable?
The BMW M47 scores 62/100 with a verdict of CAUTION. It has 2 documented issues with total repair costs between €1,900 and €9,200.
What are the common problems with the M47?
The most common issues are:
- Swirl flap catastrophic failure (M47TU) — critical, repair cost €1,500–€8,000, 60,000 km–150,000 km
- Common rail injector failure — high, repair cost €400–€1,200, 100,000 km–200,000 km
How much does it cost to repair the M47?
Total potential repair costs for all 2 known issues range from €1,900 to €9,200. The most expensive issue is typically .
What years was the M47 produced?
The BMW M47 was produced from 1998 to 2007. It is a 1995cc I4 diesel engine.
Verdict and scores are editorial opinions based on aggregated data. Learn about our methodology. Not a substitute for professional inspection.