S63 vs M57
Side-by-side reliability comparison
Higher reliability score
M57
BUY
84/100
+19 points over S63
0
/ 100
CAUTION
S63
BMW
0
/ 100
BUY
M57
BMW
Specifications
S63
M57
Brand
BMW
BMW
Verdict
CAUTION
BUY
Reliability
65
84
Years
2011--present
1998--2012
Displacement
4395 cc
2993 cc
Layout
V8
I6
Type
Petrol Turbo
Diesel
Power
560--625 hp
184--286 hp
Known Issues
2
0
Total Risk Cost
€2,000--€6,500
€0--€0
Character
S63
"F10/F90 M5 engine. Hot-V turbo layout. More reliable than N63 base engine due to stronger internals. Rod bearing concern on early units. Oil consumption. Expensive maintenance but less catastrophic than N63."
M57
"Legendary diesel six. Powered E46 330d to E90 335d. Smooth, torquey, reliable. Swirl flaps and turbo actuator at high mileage."
Issues Comparison
S63 2
▲ HIGH
Rod bearing concern (early units)
● MODERATE
Oil consumption
M57 0
No documented issues.