Higher reliability score
N52 BEST 90/100
+55 points over N47
0 / 100
AVOID N47 BMW
0 / 100
BEST N52 BMW

Specifications

N47
N52
Brand
BMW
BMW
Verdict
AVOID
BEST
Reliability
35
90
Years
2007--2014
2004--2015
Displacement
1995 cc
2996 cc
Layout
I4
I6
Type
Diesel
Petrol Na
Power
116--218 hp
190--272 hp
Known Issues
2
3
Total Risk Cost
€3,000--€7,200
€250--€900

Character

N47

"Rear-mounted timing chain = catastrophic failure risk. Notorious. Replaced by B47."

N52

"Last great NA six. Lighter (magnesium block), smoother, higher-revving than M54. 250k+ km."

Issues Comparison

N47 2

◆ CRITICAL
Rear-mounted timing chain — catastrophic failure €2,500--€6,000 80,000 km--150,000 km
▲ HIGH
EGR valve failure + DPF blockage €500--€1,200 60,000 km--120,000 km

N52 3

● MODERATE
Coolant expansion tank / hose failure €100--€300 80,000 km--150,000 km
● MODERATE
VANOS solenoid / oil feed failure €150--€400 80,000 km--160,000 km
○ MINOR
Hydraulic lifter tick on cold start €0--€200 60,000 km--∞

Models

Full N47 Report Full N52 Report