B47 vs M54

Side-by-side reliability comparison

Higher reliability score
M54 BEST 93/100
+13 points over B47
0 / 100
BUY B47 BMW
0 / 100
BEST M54 BMW

Specifications

B47
M54
Brand
BMW
BMW
Verdict
BUY
BEST
Reliability
80
93
Years
2014--present
2000--2006
Displacement
1995 cc
2979 cc
Layout
I4
I6
Type
Diesel
Petrol Na
Power
150--231 hp
170--231 hp
Known Issues
3
4
Total Risk Cost
€1,400--€3,500
€530--€1,250

Character

B47

"Torque monster, sips fuel. Fixed N47 flaws. Chain front-mounted. Avoid city-only."

M54

"Peak old-school BMW. Raspy, high-revving, raw. The benchmark. 300k+ km routine."

Issues Comparison

B47 3

▲ HIGH
DPF blockage — city driving €500--€1,500 50,000 km--100,000 km
● MODERATE
EGR valve / cooler carbon fouling €300--€800 80,000 km--150,000 km
● MODERATE
Timing chain tensioner (front-mounted) €600--€1,200 100,000 km--160,000 km

M54 4

● MODERATE
Cooling plastics — water pump impeller critical €200--€450 80,000 km--150,000 km
● MODERATE
DISA valve failure (intake manifold flap) €80--€200 80,000 km--160,000 km
● MODERATE
Double VANOS oil seal wear €150--€350 100,000 km--180,000 km
○ MINOR
Valve cover gasket oil leak €100--€250 100,000 km--200,000 km

Models

B47 61

1 Series F40 2019--present 1 Series F20 2015--2019 X1 F48 2015--2022 3 Series F30 2015--2019 3 Series G20 2020--present 2 Series G42 2022--present 3 Series F30 2015--2019 X3 F25 2014--2017 X4 G02 2018--present 5 Series F10 2014--2017 1 Series F20 2015--2019 4 Series G22 2020--present X3 F25 2014--2017 1 Series F20 2015--2019 2 Series Active Tourer F45 2014--2021 3 Series G20 2019--present X1 F48 2015--2022 X5 G05 2018--2023 5 Series G30 2017--2023 2 Series Active Tourer F45 2014--2021 2 Series F22 2014--2021 X2 F39 2018--2023 5 Series G60 2023--present 1 Series F40 2019--present 2 Series Active Tourer U06 2022--present X3 G01 2017--2024 3 Series G20 2019--present 2 Series F22 2014--2021 2 Series Active Tourer U06 2022--present X3 G01 2017--2024 1 Series F40 2019--present 5 Series G30 2017--2023 4 Series F32 2015--2020 5 Series F10 2015--2017 X1 F48 2015--2022 X5 F15 2013--2018 1 Series F20 2015--2019 5 Series F10 2014--2017 3 Series F30 2015--2019 X3 G01 2017--2024 5 Series G30 2017--2023 4 Series G22 2021--present 5 Series G60 2024--present X5 G05 2018--present 3 Series F30 2015--2019 3 Series G20 2020--present X6 G06 2019--present 7 Series G11 2016--2022 X5 G05 2018--2021 5 Series G30 2017--2020 X3 G01 2018--2024 X5 G05 2020--present X7 G07 2019--present 5 Series G30 2018--2023 7 Series G11 2017--2022 3 Series G20 2020--present 8 Series G15 2018--present 320d F30 LCI 2015--2019 Sedan 320d GT F34 2013--2019 Gran Tourer 320d Touring F31 2012--2019 Wagon 420d Gran Coupe F36 2014--2020 Gran Coupe

M54 13

5 Series E39 2000--2003 3 Series E46 2001--2005 5 Series E60 2003--2007 5 Series E60 2003--2005 5 Series E39 2000--2003 Z4 E85 2003--2005 3 Series E46 2001--2005 5 Series E60 2003--2005 X5 E53 2000--2006 5 Series E39 2000--2003 Z4 E85 2003--2005 3 Series E46 2001--2005 Z3 E36/7 2000--2002
Full B47 Report Full M54 Report