2004 BMW Z4 reliability record
Every consumer complaint and recall the U.S. government (NHTSA) has on file for the 2004 BMW Z4 — the repair risk behind the ownership cost.
- NHTSA complaints
- 443
- 16 in the last 5 years
- Top problem area
- STEERING
- 362 complaints
- Recalls on record
- 0
- none on record
- Reported harm
- 2 reported crashes · 2 fires
How this record compares
raw NHTSA counts, not defect ratesComplaint rank
#1,183
of 4,194 vehicle records
Vs BMW median
+287
median 156 across 103 BMW records
Vs 2002-2006
+174
median 269 complaints in 819 records
Top component share
85%
Steering: 378 complaints
What owners report fails — 2004 BMW Z4
- STEERING 362
- AIR BAGS 17
- ELECTRICAL SYSTEM 14
- STEERING:ELECTRIC POWER ASSIST SYSTEM 9
- STEERING:COLUMN 7
Estimate the 5-year cost to own a 2004 BMW Z4
A vehicle's complaint record hints at the repair and maintenance budget you'll need. Add your state, purchase price, and mileage to the TCO calculator for the full picture.
Open TCO calculatorThese are unverified consumer reports and manufacturer recalls filed with the National Highway Traffic Safety Administration — not validated defect rates, and not adjusted for how many 2004 BMW Z4 units were produced or sold. High-volume and older vehicles naturally accumulate more complaints. Use this as one research signal, not a verdict on any individual vehicle. Data as of 2026. Source: NHTSA Office of Defects Investigation (public domain).
Frequently asked questions
Is the 2004 BMW Z4 reliable?
NHTSA has 443 consumer complaints on record for the 2004 BMW Z4. The most-reported problem area is steering (362 reports). These are unverified consumer reports filed with the government, not validated failure rates, and are not adjusted for how many 2004 BMW Z4 units were produced — popular vehicles naturally accumulate more reports.
What are the most common problems with the 2004 BMW Z4?
Owners most often report problems with: steering (362), air bags (17), electrical system (14), steering:electric power assist system (9). Each figure is the number of complaints filed with NHTSA for this exact model year.
How much does it cost to own a 2004 BMW Z4?
Ownership cost depends on your state taxes, insurance, fuel, and the maintenance the vehicle's reliability record implies. Use the CarOutlay 5-year TCO calculator to estimate the full cost including the repair risk this complaint record suggests.