S68 vs M50
Side-by-side reliability comparison
Higher reliability score
M50
BEST
88/100
+13 points over S68
0
/ 100
ACCEPTABLE
S68
BMW
0
/ 100
BEST
M50
BMW
Specifications
S68
M50
Brand
BMW
BMW
Verdict
ACCEPTABLE
BEST
Reliability
75
88
Years
2023--present
1990--1996
Displacement
4395 cc
2494 cc
Layout
V8
I6
Type
Petrol Turbo
Petrol Na
Power
585--727 hp
150--192 hp
Known Issues
1
2
Total Risk Cost
€0--€0
€400--€1,100
Character
S68
"Latest M V8. XM/M5 G70. Cross-plane crank, 48V mild hybrid on some variants. Too new for long-term data but BMW learned from N63/S63 mistakes. Front-accessible turbos. Early data positive."
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
S68 1
○ MINOR
Too new for long-term data
M50 2
▲ HIGH
Water pump plastic impeller failure
● MODERATE
VANOS unit wear (M50TU)