B47 vs N52

Side-by-side reliability comparison

Higher reliability score
N52 BEST 90/100
+10 points over B47
0 / 100
BUY B47 BMW
0 / 100
BEST N52 BMW

Specifications

B47
N52
Brand
BMW
BMW
Verdict
BUY
BEST
Reliability
80
90
Years
2014--present
2004--2015
Displacement
1995 cc
2996 cc
Layout
I4
I6
Type
Diesel
Petrol Na
Power
150--231 hp
190--272 hp
Known Issues
3
3
Total Risk Cost
€1,400--€3,500
€250--€900

Character

B47

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

N52

"Last great NA six. Lighter (magnesium block), smoother, higher-revving than M54. 250k+ km."

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

N52 3

● MODERATE
Coolant expansion tank / hose failure €100--€300 80,000 km--150,000 km
● MODERATE
VANOS solenoid / oil feed failure €150--€400 80,000 km--160,000 km
○ MINOR
Hydraulic lifter tick on cold start €0--€200 60,000 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

N52 9

6 Series E63 2004--2010 5 Series E60 2005--2007 5 Series E60 2005--2007 3 Series E90 2005--2007 Z4 E85 2006--2008 5 Series E60 2005--2007 X5 E70 2007--2010 3 Series E90 2005--2007 1 Series E87 2005--2011
Full B47 Report Full N52 Report