M62 vs M50/M52
Side-by-side reliability comparison
Higher reliability score
M50/M52
BEST
95/100
+37 points over M62
0
/ 100
CAUTION
M62
BMW
0
/ 100
BEST
M50/M52
BMW
Specifications
M62
M50/M52
Brand
BMW
BMW
Verdict
CAUTION
BEST
Reliability
58
95
Years
1996--2003
1990--2000
Displacement
4398 cc
2494 cc
Layout
V8
I6
Type
Petrol Na
Petrol Na
Power
282--326 hp
150--170 hp
Known Issues
2
3
Total Risk Cost
€3,500--€9,500
€330--€850
Character
M62
"E39 540i/E38 740i V8. Alusil block, Nikasil issues on early units. VANOS failure, timing chain guides, valley pan gasket. Expensive to maintain but rewarding."
M50/M52
"Smooth, linear, bulletproof. Classic BMW feel. Simple maintenance. Cheap parts."
Issues Comparison
M62 2
◆ CRITICAL
Nikasil bore wear (early units)
▲ HIGH
VANOS unit failure
M50/M52 3
● MODERATE
Cooling system plastics (tank, housing, impeller)
○ MINOR
VANOS oil seal wear (M52 only)
○ MINOR
Valve cover / oil pan gasket leaks