"How reliable is the 2008 Bmw Z4?"

"Based on 26 NHTSA complaints, the 2008 Bmw Z4 has a median complaint mileage of 55920 miles. The most common issue is AIR BAGS."

"What are common problems with the 2008 Bmw Z4?"

"The most frequently reported component in NHTSA complaints for the 2008 Bmw Z4 is AIR BAGS, accounting for a significant portion of the 26 total complaints filed."

2008 Bmw Z4: Reliability Data

Source: NHTSA — 26 complaints

Total Complaints

55,920mi

Median Mileage

AIR BAGS

Top Issue

Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

34,846 25th Percentile

55,920 Median Mileage

71,250 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

AIR BAGS

STEERING

AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION

ELECTRICAL SYSTEM

WHEELS

ENGINE

ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)

AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION:FRONT PASSENGER

SEATS

VEHICLE SPEED CONTROL

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"ALL FOUR RIMS ARE BENT. THE VEHICLE HAS NEVER BEEN TAKEN OFF-ROAD, NOR HAS THE VEHICLE ENCOUNTERED MAJOR POTHOLES. A LOGICAL EXPLANATION FOR THIS OCCURRENCE IS SHODDY MANUFACTURING. BENT RIMS POTENTIALLY CAUSE HAZARDOUS DRIVING CONDITIONS. *TR"

"STEERING FAILURE WITH DTC FAILURE AND BRAKE YELLOW WARNING LIGHTS. MUST FIGHT WITH CAR TO DRIVE STRAIGHT WANTS TO VEER TO THE LEFT WITH SHAKY STEERING. *TR"

"AFTER STARTING UP THE CAR (BUT DURING IGNITION, THE KEY SLIPPED IN MY FINGERS CAUSING A MISSED START, I THEREFORE HAD TO TURN THE KEY AGAIN TO GET ENGINE TO TURN OVER.) AND DRIVING FROM MY DRIVEWAY, THERE WAS A COMPLETE FAILURE OF THE STEERING ASSIST WHICH CAUSED EXTREMELY DIFFICULT STEERING/CORNERI..."

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28