M57 vs N52
Side-by-side reliability comparison
Higher reliability score
N52
BEST
90/100
+6 points over M57
0
/ 100
BUY
M57
BMW
0
/ 100
BEST
N52
BMW
Specifications
M57
N52
Brand
BMW
BMW
Verdict
BUY
BEST
Reliability
84
90
Years
1998--2012
2004--2015
Displacement
2993 cc
2996 cc
Layout
I6
I6
Type
Diesel
Petrol Na
Power
184--286 hp
190--272 hp
Known Issues
0
3
Total Risk Cost
€0--€0
€250--€900
Character
M57
"Legendary diesel six. Powered E46 330d to E90 335d. Smooth, torquey, reliable. Swirl flaps and turbo actuator at high mileage."
N52
"Last great NA six. Lighter (magnesium block), smoother, higher-revving than M54. 250k+ km."
Issues Comparison
M57 0
No documented issues.
N52 3
● MODERATE
Coolant expansion tank / hose failure
● MODERATE
VANOS solenoid / oil feed failure
○ MINOR
Hydraulic lifter tick on cold start