M57 vs M50
Side-by-side reliability comparison
Higher reliability score
M50
BEST
88/100
+4 points over M57
0
/ 100
BUY
M57
BMW
0
/ 100
BEST
M50
BMW
Specifications
M57
M50
Brand
BMW
BMW
Verdict
BUY
BEST
Reliability
84
88
Years
1998--2012
1990--1996
Displacement
2993 cc
2494 cc
Layout
I6
I6
Type
Diesel
Petrol Na
Power
184--286 hp
150--192 hp
Known Issues
0
2
Total Risk Cost
€0--€0
€400--€1,100
Character
M57
"Legendary diesel six. Powered E46 330d to E90 335d. Smooth, torquey, reliable. Swirl flaps and turbo actuator at high mileage."
M50
"Cast iron block legend. One of BMW's most reliable ever. M50TU added single VANOS. Strong internals handle 300k+ km. Cooling plastics only weakness."
Issues Comparison
M57 0
No documented issues.
M50 2
▲ HIGH
Water pump plastic impeller failure
● MODERATE
VANOS unit wear (M50TU)