BMW Buyer's Guide

Comprehensive Used Car Analysis

Engine Catalog

All BMW engines – specs, reliability ratings, and known issues at a glance

21
Engines
19
Engine Families
51
Known Issues
57%
Avg Reliability
B58B30

B58B30 – 3.0L Turbo Petrol

B58 family • B-series • 2015–2025
Displacement3.0L
LayoutI6
FuelPetrol
AspirationTurbocharged
Power322–382 hp
Applications3
Modular engine architectureTwinPower Turbo (twin-scroll)Valvetronic IVDirect injection + port injection (gen2)
1
85%
B48B20

B48B20 – 2.0L Turbo Petrol

B48 family • B-series • 2014–2025
Displacement2.0L
LayoutI4
FuelPetrol
AspirationTurbocharged
Power184–306 hp
Applications5
Modular engine architectureTwinPower Turbo (twin-scroll)Valvetronic IVDirect injection
1
78%
B38B15

B38B15 – 1.5L 3-Cylinder Petrol

B38 family • B-series • 2014–2025
Displacement1.5L
LayoutI3
FuelPetrol
AspirationTurbocharged
Power109–140 hp
Applications2
Modular engine architectureTwinPower TurboValvetronic IVDouble-VANOS
1
76%
B47D20

B47D20 – 2.0L Diesel

B47 family • B-series • 2014–2025
Displacement2.0L
LayoutI4
FuelDiesel
AspirationTurbocharged
Power116–190 hp
Applications6
Modular engine architectureCommon-rail solenoid injectionVariable geometry turboAluminium block
1 2
72%
M54B30

M54B30 – 3.0L Petrol

M54 family • M-series • 2000–2006
Displacement3.0L
LayoutI6
FuelPetrol
AspirationNaturally aspirated
Power228–231 hp
Applications3
Double-VANOSAluminium blockElectronic throttle
1 1
72%
N52B30

N52B30 – 3.0L Petrol

N52 family • N-series • 2004–2015
Displacement3.0L
LayoutI6
FuelPetrol
AspirationNaturally aspirated
Power190–272 hp
Applications4
Valvetronic IIDouble-VANOSMagnesium/aluminium composite blockElectric water pump
2 1
70%
N55B30

N55B30 – 3.0L Turbo Petrol

N55 family • N-series • 2009–2018
Displacement3.0L
LayoutI6
FuelPetrol
AspirationTurbocharged
Power306–340 hp
Applications6
TwinPower Turbo (twin-scroll single turbo)Valvetronic IIIDirect injectionDouble-VANOS
3 1
68%
M54B25

M54B25 – 2.5L Petrol

M54 family • M-series • 2000–2006
Displacement2.5L
LayoutI6
FuelPetrol
AspirationNaturally aspirated
Power184–192 hp
Applications3
Double-VANOSAluminium blockElectronic throttle
1 1
68%
N57D30

N57D30 – 3.0L Diesel

N57 family • N-series • 2008–2018
Displacement3.0L
LayoutI6
FuelDiesel
AspirationTurbocharged
Power204–381 hp
Applications5
Common-rail piezo injectionSingle/bi-turbo/tri-turbo variantsAluminium blockVariable geometry turbo
2 2
65%
N46B20

N46B20 – 2.0L Petrol

N46 family • N-series • 2004–2011
Displacement2.0L
LayoutI4
FuelPetrol
AspirationNaturally aspirated
Power115–170 hp
Applications1
ValvetronicDouble-VANOSAluminium block
1 1
62%
M57D30

M57D30 – 3.0L Diesel

M57 family • M-series • 1998–2012
Displacement3.0L
LayoutI6
FuelDiesel
AspirationTurbocharged
Power184–286 hp
Applications3
Common-rail injectionVariable geometry turboAluminium head, cast-iron blockTwin-turbo (later variants)
1 2 1
62%
M47D20

M47D20 – 2.0L Diesel

M47 family • M-series • 2001–2007
Displacement2.0L
LayoutI4
FuelDiesel
AspirationTurbocharged
Power115–163 hp
Applications2
Common-rail injectionVariable geometry turboCast iron block
1 1
55%
N54B30

N54B30 – 3.0L Twin-Turbo Petrol

N54 family • N-series • 2006–2013
Displacement3.0L
LayoutI6
FuelPetrol
AspirationTwin-turbocharged
Power306–340 hp
Applications3
Twin turbochargersPiezo direct injectionDouble-VANOSAll-aluminium construction
1 1 2
52%
N20B20

N20B20 – 2.0L Turbo Petrol

N20 family • N-series • 2011–2017
Displacement2.0L
LayoutI4
FuelPetrol
AspirationTurbocharged
Power156–245 hp
Applications4
TwinPower Turbo (twin-scroll)Valvetronic IIIDirect injectionDouble-VANOS
2 2
50%
M62B44

M62B44 – 4.4L V8 Petrol

M62 family • M-series • 1996–2005
Displacement4.4L
LayoutV8
FuelPetrol
AspirationNaturally aspirated
Power282–320 hp
Applications3
Alusil blockVANOS (TU revision)Dual-length intake manifold
1 1 1
50%
N63B44TU

N63B44TU – 4.4L Twin-Turbo V8 Petrol (TU)

N63 family • N-series • 2012–2018
Displacement4.4L
LayoutV8
FuelPetrol
AspirationTwin-turbocharged
Power443–450 hp
Applications2
Hot-V turbo layout (revised)Valvetronic (added in TU)Direct injectionCross-bank exhaust manifolds
1
45%
M73B54

M73B54 – 5.4L V12 Petrol

M73 family • M-series • 1994–2001
Displacement5.4L
LayoutV12
FuelPetrol
AspirationNaturally aspirated
Power326 hp
Applications1
Dual ECU system (one per bank)Individual throttle bodiesNikasil liners (early) / Alusil (late)
1 1
42%
N62B48

N62B48 – 4.8L V8 Petrol

N62 family • N-series • 2004–2008
Displacement4.8L
LayoutV8
FuelPetrol
AspirationNaturally aspirated
Power355–367 hp
Applications2
ValvetronicDouble-VANOSAlusil blockVariable-length intake manifold
1 1
38%
N47D20

N47D20 – 2.0L Diesel

N47 family • N-series • 2007–2014
Displacement2.0L
LayoutI4
FuelDiesel
AspirationTurbocharged
Power105–218 hp
Applications3
Common-rail piezo injectionVariable geometry turbochargerAluminium block & headRear-mounted timing chain
1 1 1
35%
N63B44

N63B44 – 4.4L Twin-Turbo V8 Petrol

N63 family • N-series • 2008–2018
Displacement4.4L
LayoutV8
FuelPetrol
AspirationTwin-turbocharged
Power407–450 hp
Applications2
Hot-V turbo layoutDirect injectionCross-bank exhaust manifoldsDouble-VANOS
1 1
32%
N73B60

N73B60 – 6.0L V12 Petrol

N73 family • N-series • 2003–2008
Displacement6.0L
LayoutV12
FuelPetrol
AspirationNaturally aspirated
Power445 hp
Applications1
Direct injection (first BMW DI engine)Dual ECUValvetronicPiezo injectors
1
25%