N20 vs M57

Side-by-side reliability comparison

Higher reliability score
M57 BUY 84/100
+26 points over N20
0 / 100
CAUTION N20 BMW
0 / 100
BUY M57 BMW

Specifications

N20
M57
Brand
BMW
BMW
Verdict
CAUTION
BUY
Reliability
58
84
Years
2011--2015
1998--2012
Displacement
1997 cc
2993 cc
Layout
I4
I6
Type
Petrol Turbo
Diesel
Power
184--245 hp
184--286 hp
Known Issues
3
0
Total Risk Cost
€1,850--€4,100
€0--€0

Character

N20

"Punchy turbo four. One known flaw (timing chain class-action 2012-15). After fix: 200k+ km."

M57

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

Issues Comparison

N20 3

◆ CRITICAL
Timing chain + guide + tensioner — class-action €1,200--€2,800 60,000 km--120,000 km
▲ HIGH
Electric water pump failure €400--€800 80,000 km--140,000 km
● MODERATE
Oil filter housing gasket leak €250--€500 60,000 km--120,000 km

M57 0

No documented issues.

Models

N20 17

X1 E84 2012--2015 X3 F25 2011--2017 5 Series F10 2011--2017 Z4 E89 2011--2016 X3 F25 2011--2017 3 Series F30 2012--2015 X1 E84 2012--2015 3 Series F30 2012--2015 4 Series F32 2013--2016 5 Series F10 2011--2017 Z4 E89 2011--2016 1 Series F20 2012--2015 X1 E84 2012--2015 2 Series F22 2014--2016 X5 F15 2015--2018 320i Touring F31 2012--2019 Wagon 420i Gran Coupe F36 2014--2020 Gran Coupe

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
Full N20 Report Full M57 Report