N47 vs N52
Side-by-side reliability comparison
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
▲ HIGH
EGR valve failure + DPF blockage
N52 3
● MODERATE
Coolant expansion tank / hose failure
● MODERATE
VANOS solenoid / oil feed failure
○ MINOR
Hydraulic lifter tick on cold start
Models
N47 48
3 Series
5 Series
1 Series
3 Series
1 Series
3 Series
3 Series
3 Series
5 Series
Clubman
Countryman
Countryman
Cooper
Mini
Countryman
Cooper
Mini
Countryman
Clubman
Paceman
3 Series
3 Series
X3
X1
1 Series
5 Series
3 Series
3 Series
5 Series
1 Series
3 Series
X3
4 Series
X1
5 Series
3 Series
1 Series
1 Series
1 Series
1 Series
1 Series
X1
5 Series
1 Series
3 Series
220d
320d Touring
420d Gran Coupe