N43 vs M57
Side-by-side reliability comparison
Higher reliability score
M57
BUY
84/100
+36 points over N43
0
/ 100
CAUTION
N43
BMW
0
/ 100
BUY
M57
BMW
Specifications
N43
M57
Brand
BMW
BMW
Verdict
CAUTION
BUY
Reliability
48
84
Years
2007--2011
1998--2012
Displacement
1995 cc
2993 cc
Layout
I4
I6
Type
Petrol Na
Diesel
Power
115--170 hp
184--286 hp
Known Issues
2
0
Total Risk Cost
€1,400--€3,500
€0--€0
Character
N43
"Direct injection 4-cyl. Injector failure, high-pressure fuel pump issues, lean-burn NOx sensor problems. Short production run. Avoid if possible — N46 or B48 are better choices."
M57
"Legendary diesel six. Powered E46 330d to E90 335d. Smooth, torquey, reliable. Swirl flaps and turbo actuator at high mileage."
Issues Comparison
N43 2
▲ HIGH
High-pressure fuel pump failure
▲ HIGH
Direct injector failure
M57 0
No documented issues.