AVOID Turbo Chaos

S85

BMW · S85 5.0 V10

2005–2010

0 / 100
AVOID

"E60 M5 V10. Derived from F1 tech — 8,250rpm redline. Rod bearing failure endemic. Throttle actuator failure (10 of them). VANOS bolt recall. SMG gearbox issues. Incredible engine, terrible reliability."

Layout V10
Displacement 4999 cc
Power 507 hp
Type Petrol Na
Known Issues 3
Total Risk Cost €6,000–€18,000

Mileage Risk Timeline

When problems typically appear — enter your mileage to see your risk zone

km

Known Issues 3

◆ CRITICAL

VANOS bolt failure (recall)

€1,000–€3,000 40,000 km–80,000 km
View details
Detection

Timing noise, check engine

Details

BMW recall. Bolts can shear and destroy engine.

Greece Note

Recall VANOS bolts. Ελέγξτε αν έχει γίνει η ανάκληση.

◆ CRITICAL

Rod bearing failure

€3,000–€10,000 50,000 km–100,000 km
View details
Detection

Metallic knock, seizure

Details

Endemic issue. V10 stresses bearings beyond design tolerance.

Greece Note

ΚΡΙΣΙΜΟ: V10 ρουλεμάν. Αντικατάσταση ή αποφυγή.

▲ HIGH

Throttle actuator failure (10 butterflies)

€2,000–€5,000 50,000 km–100,000 km
View details
Detection

Limp mode, misfires

Details

10 individual throttle actuators. Common failure.

Greece Note

10 μοτέρ πεταλούδας — €2,000-5,000.

Models with S85 1

Other BMW Engines

Tuning Potential

Supercharger kits exist but risky

Frequently Asked Questions

Is the BMW S85 reliable?

The BMW S85 scores 40/100 with a verdict of AVOID. It has 3 documented issues with total repair costs between €6,000 and €18,000.

What are the common problems with the S85?

The most common issues are:

  • VANOS bolt failure (recall) — critical, repair cost €1,000–€3,000, 40,000 km–80,000 km
  • Rod bearing failure — critical, repair cost €3,000–€10,000, 50,000 km–100,000 km
  • Throttle actuator failure (10 butterflies) — high, repair cost €2,000–€5,000, 50,000 km–100,000 km
What cars use the BMW S85?

The S85 is found in:

  • M5 (2005–2010)
How much does it cost to repair the S85?

Total potential repair costs for all 3 known issues range from €6,000 to €18,000. The most expensive issue is typically .

What years was the S85 produced?

The BMW S85 was produced from 2005 to 2010. It is a 4999cc V10 petrol na engine.

Verdict and scores are editorial opinions based on aggregated data. Learn about our methodology. Not a substitute for professional inspection.