Complaints
443
Crashes
2
Fires
2
Injuries
0
Fatalities
—
Recalls
0
Worst 2004 BMW Z4 Problems
Top 3 most-reported issues with average mileage at failure.
#1362 complaints
Steering Defects
Avg mileage:52,262 mi
Crash-related:1
Fires:1
#217 complaints
Airbags
Avg mileage:58,214 mi
#314 complaints
Electrical Faults
Avg mileage:63,876 mi
Fires:1
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All Problems by Category
Every NHTSA complaint category for the 2004 BMW Z4.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Steering Defects | 362 | 1 | 1 | 52,262 mi | |
| Airbags | 17 | — | — | 58,214 mi | |
| Electrical Faults | 14 | — | 1 | 63,876 mi | |
| Steering:Electric Power Assist System | 9 | — | — | 14,079 mi | |
| Steering:Column | 7 | — | — | 40,920 mi | |
| Headlight/Taillight Failures | 6 | — | — | 81,149 mi | |
| Electronic Stability Control | 3 | — | — | — | |
| Wipers & Visibility | 3 | — | — | — | |
| Transmission / Drivetrain | 2 | — | — | — | |
| Brakes | 2 | — | — | — | |
| Body Structure | 2 | — | — | — | |
| Air Bags:Frontal | 1 | — | — | — | |
| Air Bags:Frontal:Sensor/Control Module | 1 | — | — | — | |
| Air Bags:Sensor:Occupant Classification | 1 | — | — | — | |
| Air Bags:Sensor:Occupant Classification:Front Passenger | 1 | — | — | — | |
| Equipment Adaptive/Mobility | 1 | — | — | — | |
| Automatic Transmission | 1 | — | — | — | |
| Seat-Related Issues | 1 | — | — | — | |
| Hydraulic Brakes | 1 | — | — | — | |
| Steering: Steering Wheel/Handle Bar | 1 | — | — | — | |
| Steering:Hydraulic Power Assist System | 1 | — | — | — | |
| Steering:Rack And Pinion | 1 | — | — | — | |
| Structural Problems | 1 | — | — | — | |
| Suspension Failures | 1 | — | — | — | |
| Unintended Acceleration | 1 | 1 | — | — | |
| Visibility | 1 | — | — | — |
Steering Defects
362
complaints
Crashes
1
Fires
1
Avg Miles
52,262
Airbags
17
complaints
Crashes
—
Fires
—
Avg Miles
58,214
Electrical Faults
14
complaints
Crashes
—
Fires
1
Avg Miles
63,876
Steering:Electric Power Assist System
9
complaints
Crashes
—
Fires
—
Avg Miles
14,079
Steering:Column
7
complaints
Crashes
—
Fires
—
Avg Miles
40,920
Headlight/Taillight Failures
6
complaints
Crashes
—
Fires
—
Avg Miles
81,149
Electronic Stability Control
3
complaints
Crashes
—
Fires
—
Avg Miles
—
Wipers & Visibility
3
complaints
Crashes
—
Fires
—
Avg Miles
—
Transmission / Drivetrain
2
complaints
Crashes
—
Fires
—
Avg Miles
—
Brakes
2
complaints
Crashes
—
Fires
—
Avg Miles
—
Body Structure
2
complaints
Crashes
—
Fires
—
Avg Miles
—
Air Bags:Frontal
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Air Bags:Frontal:Sensor/Control Module
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Air Bags:Sensor:Occupant Classification
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Air Bags:Sensor:Occupant Classification:Front Passenger
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Equipment Adaptive/Mobility
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Automatic Transmission
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Seat-Related Issues
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Hydraulic Brakes
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Steering: Steering Wheel/Handle Bar
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Steering:Hydraulic Power Assist System
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Steering:Rack And Pinion
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Structural Problems
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Suspension Failures
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Unintended Acceleration
1
complaints
Crashes
1
Fires
—
Avg Miles
—
Visibility
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Search Owner Complaints
Read what owners actually reported to NHTSA for the 2004 BMW Z4. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.
Other BMW Z4 Years
2004 BMW Z4 — FAQ
Answers based on real NHTSA complaint and recall data for this specific model year.
Is the 2004 BMW Z4 reliable?
Verdict: Severe Issues. The 2004 BMW Z4 has 443 NHTSA complaints, 2 crash-related, and 0 recall campaigns. The most common issue is Steering Defects with 362 complaints. Source: NHTSA via VinItel.
What are common problems with the 2004 BMW Z4?
Top reported problems: Steering Defects (362 complaints, avg 52,262 mi); Airbags (17 complaints, avg 58,214 mi); Electrical Faults (14 complaints, avg 63,876 mi). Every complaint is filed by an owner with NHTSA — this is raw reported data, not editorial opinion.
At what mileage do problems start on the 2004 BMW Z4?
The weighted average mileage at time of complaint is about 52,296 miles. Some components fail earlier, some later — check the "All Problems by Category" table above for per-issue averages.
How safe is the 2004 BMW Z4?
NHTSA complaints for the 2004 BMW Z4 include 2 crash-related reports, 2 fire reports, 0 injuries, and 0 fatalities. These are owner-reported incidents, not official crash-test ratings — a complaint being filed doesn't confirm a defect, but clusters around specific components are worth investigating.
Does the 2004 BMW Z4 have any recalls?
No NHTSA recall campaigns have been issued for the 2004 BMW Z4 as of the latest data sync. Verify by VIN for the most current status — new recalls can be issued years after a model year ships.
Should I buy a 2004 BMW Z4?
Proceed with extreme caution. The 2004 BMW Z4 shows significantly more complaints than average for its class. If you're buying one, a pre-purchase inspection and a VIN history check are essential — skip them and you're gambling.
Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinItel.
Wider context: See the full BMW Z4 reliability report with year-by-year comparison and generation analysis.
Check Your Specific 2004 BMW Z4
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