N57 vs M54
Side-by-side reliability comparison
Higher reliability score
M54
BEST
93/100
+15 points over N57
0
/ 100
BUY
N57
BMW
0
/ 100
BEST
M54
BMW
Specifications
N57
M54
Brand
BMW
BMW
Verdict
BUY
BEST
Reliability
78
93
Years
2008--2020
2000--2006
Displacement
2993 cc
2979 cc
Layout
I6
I6
Type
Diesel
Petrol Na
Power
204--381 hp
170--231 hp
Known Issues
0
4
Total Risk Cost
€0--€0
€530--€1,250
Character
N57
"M57 successor. Single to tri-turbo variants. N57S/N57D30T1 = 381hp. Excellent cruiser. Turbo and EGR need attention."
M54
"Peak old-school BMW. Raspy, high-revving, raw. The benchmark. 300k+ km routine."
Issues Comparison
N57 0
No documented issues.
M54 4
● MODERATE
Cooling plastics — water pump impeller critical
● MODERATE
DISA valve failure (intake manifold flap)
● MODERATE
Double VANOS oil seal wear
○ MINOR
Valve cover gasket oil leak