N55 vs M57

Side-by-side reliability comparison

Higher reliability score
M57 BUY 84/100
+8 points over N55
0 / 100
ACCEPTABLE N55 BMW
0 / 100
BUY M57 BMW

Specifications

N55
M57
Brand
BMW
BMW
Verdict
ACCEPTABLE
BUY
Reliability
76
84
Years
2009--2016
1998--2012
Displacement
2979 cc
2993 cc
Layout
I6
I6
Type
Petrol Turbo
Diesel
Power
306--326 hp
184--286 hp
Known Issues
5
0
Total Risk Cost
€1,050--€2,300
€0--€0

Character

N55

"Fixed N54. Known issues cheap + documented. 200k+ km proven. Good tuning base."

M57

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

Issues Comparison

N55 5

▲ HIGH
Electric water pump failure €400--€800 60,000 km--120,000 km
● MODERATE
Valve cover gasket oil leak €200--€450 60,000 km--130,000 km
● MODERATE
Oil filter housing gasket (OFHG) leak €250--€500 60,000 km--130,000 km
● MODERATE
Plastic charge pipe crack €100--€300 60,000 km--150,000 km
○ MINOR
Coolant pipe / banjo bolt seals €100--€250 80,000 km--150,000 km

M57 0

No documented issues.

Models

N55 14

6 Series F13 2011--2015 3 Series E90 2010--2013 5 Series F10 2010--2017 1 Series E82 2010--2013 X5 F15 2013--2018 X3 F25 2011--2017 2 Series F22 2014--2016 1 Series F20 2012--2015 7 Series F01 2009--2015 X5 E70 2010--2013 3 Series F30 2012--2015 M2 F87 2016--2018 335i GT F34 2013--2016 Gran Tourer 435i F32 2013--2016 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 N55 Report Full M57 Report