M50/M52 vs M43
Side-by-side reliability comparison
Higher reliability score
M50/M52
BEST
95/100
+13 points over M43
0
/ 100
BEST
M50/M52
BMW
0
/ 100
BUY
M43
BMW
Specifications
M50/M52
M43
Brand
BMW
BMW
Verdict
BEST
BUY
Reliability
95
82
Years
1990--2000
1991--2002
Displacement
2494 cc
1895 cc
Layout
I6
I4
Type
Petrol Na
Petrol Na
Power
150--170 hp
75--118 hp
Known Issues
3
2
Total Risk Cost
€330--€850
€180--€550
Character
M50/M52
"Smooth, linear, bulletproof. Classic BMW feel. Simple maintenance. Cheap parts."
M43
"Cast iron block workhorse. Timing chain not belt (unlike M40). Simple, cheap to maintain. 300k+ km common. Low power is the only complaint."
Issues Comparison
M50/M52 3
● MODERATE
Cooling system plastics (tank, housing, impeller)
○ MINOR
VANOS oil seal wear (M52 only)
○ MINOR
Valve cover / oil pan gasket leaks
M43 2
● MODERATE
Cooling system plastic failures
○ MINOR
Valve cover gasket oil leak