Higher reliability score
B58 BEST 93/100
+28 points over S63
0 / 100
CAUTION S63 BMW
0 / 100
BEST B58 BMW

Specifications

S63
B58
Brand
BMW
BMW
Verdict
CAUTION
BEST
Reliability
65
93
Years
2011--present
2015--present
Displacement
4395 cc
2998 cc
Layout
V8
I6
Type
Petrol Turbo
Petrol Turbo
Power
560--625 hp
326--387 hp
Known Issues
2
3
Total Risk Cost
€2,000--€6,500
€430--€1,000

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."

B58

"Possibly BMWs best engine ever. Forged internals, insane tuning (600hp+). 300k+ km."

Issues Comparison

S63 2

▲ HIGH
Rod bearing concern (early units) €2,000--€6,000 80,000 km--150,000 km
● MODERATE
Oil consumption €0--€500 40,000 km--100,000 km

B58 3

● MODERATE
Coolant expansion tank / line failure — early units €150--€350 60,000 km--120,000 km
○ MINOR
Plastic charge pipe crack €80--€200 60,000 km--150,000 km
○ MINOR
Valve cover gasket oil leak €200--€450 80,000 km--160,000 km

Models

Full S63 Report Full B58 Report