"How reliable is the 2011 Bmw Z4?"

"Based on 55 NHTSA complaints, the 2011 Bmw Z4 has a median complaint mileage of 37000 miles. The most common issue is STEERING."

"What are common problems with the 2011 Bmw Z4?"

"The most frequently reported component in NHTSA complaints for the 2011 Bmw Z4 is STEERING, accounting for a significant portion of the 55 total complaints filed."

2011 Bmw Z4: Reliability Data

Source: NHTSA — 55 complaints

Total Complaints

37,000mi

Median Mileage

STEERING

Top Issue

Crash Reports

When Do Complaints Happen?

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

24,775 25th Percentile

37,000 Median Mileage

67,500 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

STEERING

ENGINE

ENGINE AND ENGINE COOLING

WHEELS

SERVICE BRAKES

TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS

SUSPENSION

ELECTRICAL SYSTEM

UNKNOWN OR OTHER

POWER TRAIN

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"TL* THE CONTACT OWNS A 2011 BMW Z4. THE CONTACT STATED THAT AIR WAS LEAKING FROM THE REAR PASSENGER TIRE. THE VEHICLE WAS TAKEN TO A PERSONAL MECHANIC AND THE CONTACT WAS INFORMED THAT THE REAR PASSENGER WHEEL WAS CRACKED AND THAT IT WAS A MANUFACTURER'S DEFECT. THE VEHICLE WAS THEN TAKEN TO THE DEA..."

"26SEP12 THE TIRE PRESSURE MONITORING SYSTEM WILL PROVIDE A FALSE FAILURE WHEN THERE IS CERTAIN ELECTRICAL INTERFERENCE (E.G. CELL TOWERS). THIS IS A RECOGNIZED FACT AS NOTED IN THE DRIVER'S MANUAL (P.71). THE ISSUE IS THAT THE SYSTEM FAILS TO RESET AFTER THE INTERFERENCE HAS PASSED AND ALL OF THE..."

"BLOW OUT AT 70 MPH, REPLACED REAR PASSENGER TIRE AT BMW WITH SAME RUN FLATS. NEXT DAY FLAT, RETURNED TO DEALERSHIP WHERE THEY SAID I HAD 2 HAIRLINE CRACKS IN SAME WHEEL, WHICH NEEDED REPLACEMENT. I NOTICED A TON OF COMPLAINTS AND SIMILAR PROBLEMS WITH THESE 296 STYLE 19 INCH RIMS. *TR"

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