2003 BMW Z4Problems, recalls & complaints

NHTSA has logged 414 owner complaints about the 2003 BMW Z4, most often about the steering. It is covered by 4 safety recalls.

2003 BMW Z4

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through June 14, 2026. Updated daily. Photo: MercurySable99, CC BY-SA 4.0.

Complaints by system

Where the 2003 BMW Z4 has problems

414 complaints grouped by the system owners reported.

Box size = number of complaints naming that system. Darker = larger share. One complaint can name more than one system.
Complaints by system
SystemComplaintsCrash, fire or injury
Steering3422
Air bags311
Electrical system131
Engine and engine cooling110
Structure80
Power train70
Vehicle speed control62
Fuel system, gasoline50
Seat belts41
12 other systems230

Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.

4 recalls

2003 BMW Z4 recalls and how many were fixed

Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.

–no report yet

Air bags

Recall 04V-247 · May 24, 2004 · 51 vehicles

Risk. IN THE EVENT OF A CRASH, AIR BAG DEPLOYMENT MAY NOT OCCUR, INCREASING THE RISK OF INJURIES TO THE DRIVER AND/OR FRONT PASSENGER.

Problem, fix and repair progress →

–no report yet

Delivery: fuel pump

Recall 04V-182 · Apr 12, 2004 · 13,769 vehicles

Risk. IF STALLING WERE TO OCCUR, THE DRIVER WOULD BE UNABLE TO MAINTAIN VEHICLE SPEED OR ACCELERATE, INCREASING THE RISK OF A CRASH.

Problem, fix and repair progress →

–no report yet

Front: buckle assembly

Recall 03V-032 · Feb 4, 2003 · 2,635 vehicles

Risk. IF THE CONNECTION DETACHES, THE PROTECTION PROVIDED BY THE SAFETY BELT IS LIKELY TO BE IMPAIRED, AND SERIOUS INJURIES TO THE DRIVER AND/OR FRONT PASSENGER…

Problem, fix and repair progress →

Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with BMW.

Mileage at failure

When do steering problems start?

42kmiles, median

Based on the odometer reading in 300 steering complaints. 95% were reported before 100,000 miles.

median0k50k100k150k200k+
98under 30k miles286under 100k miles14100k miles or more
Owner-reported costs

What owners say repairs cost

Dollar amounts owners wrote in their complaints when describing a repair or a quote. These are not price estimates; a system is shown only when at least 8 owners mentioned a cost.

Steering

35 owners mentioned a cost

$3,300median

Middle half: $3,000 – $3,850

If a problem is covered by a recall, the dealer fixes it for free. Some manufacturers also reimburse owners who paid for a repair before a recall was announced.

Best & worst years

2003 vs. every other Z4 year

Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the Z4 median. How we score

'03'04'05'06'07'08'09'10'11'12'13'14'15'16'19'20'21'22'23'25
  • Avoid
  • Caution
  • Solid
  • Best
  • Not rated
NHTSA crash tests

2003 BMW Z4 safety ratings

2003 BMW Z4 Convertible w/SAB in NHTSA's New Car Assessment Program. Photos are from NHTSA's crash tests.

2003 BMW Z4 frontal crash test, NHTSA
Frontal crashNot rated
2003 BMW Z4 side barrier test, NHTSA
Side barrierNot rated
  • Stability control: Standard
  • Forward collision warning: No
  • Lane departure warning: No
1 investigation

NHTSA defect investigations

Federal investigations that included the 2003 BMW Z4, and the recalls they led to.

  1. Sticky SteeringPE10020 · closed Jun 28, 2011
    No recall
In owners' words

What Z4 owners report

Recent steering complaints filed with NHTSA, shortened. Personal details are removed.

This vehicle has a "sticky steering" issue in warm or hot weather, the steering sticks and requires a lot of effort to get the wheel to turn. If I am doing any speeds over 40 mph and keep adjusting the steering, I have almost wrecked the car on more than one occasion. The problem is the electric…
Complaint 11744028 · Jun 14, 2026
Steering is binding up, very hard to steer and control. Car starts out running fine after parked in hot weather and restarted it is almost uncontrollable. Looking for corrective action. Only 39,920 miles on car. Would like to use it or sell it, can do neither in current condition. Steering column…
Complaint 11682240 · Aug 21, 2025
When outside temp is 80degrees or higher it becomes difficult to maintain the vehicle in the correct driving lane due to a stickyness in the steering wheel. I will not allow anyone to drive the vehicle when the temp is over 80 degrees... sucks to have a convertable that you can't drive in warm…
Complaint 11614717 · Sep 15, 2024

Own a 2003 Z4?

Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.