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