M57 vs B48

Side-by-side reliability comparison

Higher reliability score
M57 BUY 84/100
+2 points over B48
0 / 100
BUY M57 BMW
0 / 100
BUY B48 BMW

Specifications

M57
B48
Brand
BMW
BMW
Verdict
BUY
BUY
Reliability
84
82
Years
1998--2012
2014--present
Displacement
2993 cc
1998 cc
Layout
I6
I4
Type
Diesel
Petrol Turbo
Power
184--286 hp
184--255 hp
Known Issues
0
3
Total Risk Cost
€0--€0
€650--€1,350

Character

M57

"Legendary diesel six. Powered E46 330d to E90 335d. Smooth, torquey, reliable. Swirl flaps and turbo actuator at high mileage."

B48

"B58s little brother. Efficient, smooth. Remap to 260hp safe. Best modern 4-cyl BMW."

Issues Comparison

M57 0

No documented issues.

B48 3

● MODERATE
Coolant vent line failure €100--€250 40,000 km--100,000 km
● MODERATE
Oil filter housing gasket — early units (2014-2016) €250--€500 40,000 km--100,000 km
○ MINOR
Intake valve carbon buildup (DI) €300--€600 60,000 km--120,000 km

Models

M57 17

5 Series E39 2000--2003 5 Series E60 2003--2007 X5 E53 2001--2003 3 Series E46 1999--2003 5 Series E39 1998--2000 X5 E53 2003--2006 5 Series E39 2000--2003 7 Series E65 2002--2008 5 Series E60 2003--2007 3 Series E46 2003--2005 3 Series E90 2005--2008 3 Series E90 2006--2010 X5 E70 2007--2010 5 Series E60 2007--2010 5 Series E60 2007--2010 3 Series E90 2006--2008 5 Series E60 2004--2010

B48 40

6 Series G32 2017--2023 X3 G01 2017--2024 4 Series G22 2020--present Z4 G29 2019--present 2 Series Active Tourer U06 2022--present 4 Series F32 2016--2020 3 Series G20 2019--present GR Supra A90 2020--present 1 Series F20 2015--2019 5 Series G30 2017--2023 X2 F39 2018--2023 1 Series F40 2020--present 2 Series Active Tourer U06 2022--present X1 F48 2015--2022 2 Series F22 2016--2021 5 Series G30 2017--2023 3 Series F30 2015--2019 X4 G02 2018--present X3 G01 2017--2024 4 Series G22 2020--present 2 Series G42 2022--present 3 Series G20 2019--present Z4 G29 2019--present 3 Series F30 2015--2019 2 Series Active Tourer F45 2014--2021 5 Series G60 2023--present 1 Series F20 2015--2019 4 Series F32 2016--2020 2 Series Active Tourer U06 2022--present 5 Series G60 2023--present 5 Series G30 2017--2023 X3 G01 2020--2024 3 Series G20 2019--present 1 Series F40 2019--present 320i F30 LCI 2015--2019 Sedan 320i GT F34 2013--2016 Gran Tourer 320i Touring F31 2012--2019 Wagon 330i GT F34 2016--2019 Gran Tourer 330i Touring G21 2019--2024 Wagon 420i Gran Coupe F36 2014--2020 Gran Coupe
Full M57 Report Full B48 Report