BMW N43
CAUTION Turbo Chaos

N43

BMW · N43 1.6/2.0 DI NA I4

2007–2011

0 / 100
CAUTION

"Direct injection 4-cyl. Injector failure, high-pressure fuel pump issues, lean-burn NOx sensor problems. Short production run. Avoid if possible — N46 or B48 are better choices."

Layout I4
Displacement 1995 cc
Power 115–170 hp
Type Petrol Na
Known Issues 2
Total Risk Cost €1,400–€3,500

Mileage Risk Timeline

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

km

Known Issues 2

▲ HIGH

High-pressure fuel pump failure

€800–€2,000 60,000 km–120,000 km
View details
Detection

Hard start, limp mode, no power

Details

Direct injection HPFP failures. Metal shavings contaminate fuel system.

Greece Note

HPFP — σοβαρό. €800-2,000. Ελέγξτε πίεση ράγας.

▲ HIGH

Direct injector failure

€600–€1,500 80,000 km–150,000 km
View details
Detection

Misfire, rough idle, codes

Details

Lean-burn system stresses injectors.

Greece Note

Μπεκ DI — €600-1,500 για σετ.

Models with N43 7

Related Guides

Other BMW Engines

Tuning Potential

Minimal

Frequently Asked Questions

Is the BMW N43 reliable?

The BMW N43 scores 48/100 with a verdict of CAUTION. It has 2 documented issues with total repair costs between €1,400 and €3,500.

What are the common problems with the N43?

The most common issues are:

  • High-pressure fuel pump failure — high, repair cost €800–€2,000, 60,000 km–120,000 km
  • Direct injector failure — high, repair cost €600–€1,500, 80,000 km–150,000 km
What cars use the BMW N43?

The N43 is found in:

How much does it cost to repair the N43?

Total potential repair costs for all 2 known issues range from €1,400 to €3,500. The most expensive issue is typically .

What years was the N43 produced?

The BMW N43 was produced from 2007 to 2011. It is a 1995cc I4 petrol na engine.

Scores are calculated from documented issues, repair costs, and failure patterns across thousands of owner reports and technical sources. Learn about our methodology. Always inspect before you buy.