B58 vs N52

Side-by-side reliability comparison

Higher reliability score
B58 BEST 93/100
+3 points over N52
0 / 100
BEST B58 BMW
0 / 100
BEST N52 BMW

Specifications

B58
N52
Brand
BMW
BMW
Verdict
BEST
BEST
Reliability
93
90
Years
2015--present
2004--2015
Displacement
2998 cc
2996 cc
Layout
I6
I6
Type
Petrol Turbo
Petrol Na
Power
326--387 hp
190--272 hp
Known Issues
3
3
Total Risk Cost
€430--€1,000
€250--€900

Character

B58

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

N52

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

Issues Comparison

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

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

B58 24

1 Series F20 2015--2016 3 Series F30 2015--2019 1 Series F20 2016--2019 5 Series F10 2016--2017 4 Series F32 2016--2020 2 Series F22 2016--2021 7 Series G11 2016--2022 GR Supra A90 2019--present X5 G05 2020--present 3 Series G20 2019--present X4 G02 2018--present X5 G05 2018--present X6 G06 2019--present X7 G07 2019--present GR Supra A90 2022--present 5 Series G30 2017--2023 8 Series G15 2018--present 2 Series G42 2022--present 4 Series G22 2020--present X3 G01 2017--2024 Z4 G29 2019--present 7 Series G70 2023--present 5 Series G60 2024--present 340i F30 LCI 2015--2019 Sedan

N52 8

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 B58 Report Full N52 Report