N53 vs M50

Side-by-side reliability comparison

Higher reliability score
M50 BEST 88/100
+63 points over N53
0 / 100
AVOID N53 BMW
0 / 100
BEST M50 BMW

Specifications

N53
M50
Brand
BMW
BMW
Verdict
AVOID
BEST
Reliability
25
88
Years
2007--2011
1990--1996
Displacement
2996 cc
2494 cc
Layout
I6
I6
Type
Petrol Na
Petrol Na
Power
272 hp
150--192 hp
Known Issues
2
2
Total Risk Cost
€2,500--€8,000
€400--€1,100

Character

N53

"N54 reliability without turbo power. Worst of both worlds. EU only."

M50

"Cast iron block legend. One of BMW's most reliable ever. M50TU added single VANOS. Strong internals handle 300k+ km. Cooling plastics only weakness."

Issues Comparison

N53 2

◆ CRITICAL
Piezoelectric injector failure — parts scarce €2,000--€6,000 40,000 km--120,000 km
▲ HIGH
Chronic lean running / mixture issues €500--€2,000 40,000 km--100,000 km

M50 2

▲ HIGH
Water pump plastic impeller failure €200--€500 60,000 km--120,000 km
● MODERATE
VANOS unit wear (M50TU) €200--€600 100,000 km--200,000 km

Models

N53 5

6 Series E63 2007--2010 5 Series E60 2007--2010 3 Series E90 2007--2011 5 Series E60 2007--2010 3 Series E90 2007--2012

M50 0

No models listed.

Full N53 Report Full M50 Report