vehicle signal
U.S. public vehicle records

2003 Bmw Z4: complaints, problems and recalls

Explore the records behind recurring owner reports.

Key facts

414 owner complaints analyzed

4 distinct recall campaigns

42,000 mi median reported failure mileage

Scope: 2003 model year. Data snapshot: . 355 complaints include usable failure mileage.

Owner-reported patterns

Most common problems

Steering is the most frequently named component, appearing in 326 of 414 complaints (78.7%). A complaint can name multiple components.

Recurring terms in complaint narratives
TopicMatching reportsShare of complaints
Steering behavior34082.1%
Electrical and battery issues112.7%
Engine operation92.2%
Braking behavior71.7%
Transmission and shifting61.4%
Fuel system concerns30.7%

Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.

Component breakdown

Number of unique complaints naming each component. Top eight shown.

Steering
326
Air Bags
27
Electrical System
13
Steering:Electric Power Assist System
10
Engine And Engine Cooling:Engine
6
Vehicle Speed Control
6
Engine And Engine Cooling
5
Fuel System, Gasoline:Delivery:Fuel Pump
4
Component breakdown data
CategoryCount
Steering326
Air Bags27
Electrical System13
Steering:Electric Power Assist System10
Engine And Engine Cooling:Engine6
Vehicle Speed Control6
Engine And Engine Cooling5
Fuel System, Gasoline:Delivery:Fuel Pump4

Steering: 326; Air Bags: 27; Electrical System: 13; Steering:Electric Power Assist System: 10; Engine And Engine Cooling:Engine: 6; Vehicle Speed Control: 6; Engine And Engine Cooling: 5; Fuel System, Gasoline:Delivery:Fuel Pump: 4

Reported problems by failure mileage

Complaint counts in mileage bands. These are not failure rates per vehicle or mile.

Under 25,000
93
25,000 to 49,999
107
50,000 to 74,999
90
75,000 to 99,999
40
100,000 to 149,999
22
150,000 and above
3
Reported problems by failure mileage data
CategoryCount
Under 25,00093
25,000 to 49,999107
50,000 to 74,99990
75,000 to 99,99940
100,000 to 149,99922
150,000 and above3

Under 25,000: 93; 25,000 to 49,999: 107; 50,000 to 74,999: 90; 75,000 to 99,999: 40; 100,000 to 149,999: 22; 150,000 and above: 3

25,000 to 49,999 miles has the most reports with usable mileage (107). 59 complaints have missing, zero or invalid mileage.

Complaints over time

Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.

2003
13
2004
13
2005
17
2006
8
2007
1
2008
10
2009
16
2010
67
2011
58
2012
38
2013
33
2014
28
2015
22
2016
17
2017
12
2018
22
2019
18
2020
3
2021
3
2022
6
2023
4
2024
3
2025
1
2026
1
Complaints over time data
CategoryCount
200313
200413
200517
20068
20071
200810
200916
201067
201158
201238
201333
201428
201522
201617
201712
201822
201918
20203
20213
20226
20234
20243
20251
20261

2003: 13; 2004: 13; 2005: 17; 2006: 8; 2007: 1; 2008: 10; 2009: 16; 2010: 67; 2011: 58; 2012: 38; 2013: 33; 2014: 28; 2015: 22; 2016: 17; 2017: 12; 2018: 22; 2019: 18; 2020: 3; 2021: 3; 2022: 6; 2023: 4; 2024: 3; 2025: 1; 2026: 1

Pattern summary

Steering leads the component reports. Steering behavior appears in 340 complaint narratives. Electrical and battery issues appears in 11 complaint narratives. Engine operation appears in 9 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.

Calculated from recorded counts. An AI narrative has not been published for this selection.

Examples from the source records

Examples provide context, not a representative sample or a verified diagnosis.

Owner report 10014953 · 2003-04-01 (April 1, 2003)

THE VEHICLE LOST POWER STEERING, THE MECHANIC STATED THE STEERING GEAR BOX NEEDED TO BE REPLACED. *JB

Owner-reported narrative. Look up ODI 10014953 at NHTSA ↗

Owner report 10017170 · 2003-05-01 (May 1, 2003)

THE VEHICLE WAS TURNED OFF TO FILL WITH GAS, WHEN THE VEHICLE WAS TURNED BACK ON, THE STEERING HAD GONE OUT. THE DEALER HAD REPLACED THE STEERING COLUMN GEAR AND REPROGRAMMED THE EPS AND THE LWS WITH THE CIP V 7.0. MR SCC

Owner-reported narrative. Look up ODI 10017170 at NHTSA ↗

Owner report 10020912 · 2003-06-02 (June 2, 2003)

ENGINE SURGED THEN REVVED UNCONTROLLABLLY AFTER STARTUP. CONTINUED TO SURGE AND IDLE WITH RPM ALTERNATING BETWEEN 0 - 2500 RPM THE ACCELORATOR WAS UNRESPONSIVE.*AK AFTER STARTUP THE CAR SURGED FORWARD. DAMANGE TO FRONT BUMBER AND CRACKED LIGHT RESULTED. DEFECTIVE PART: BAD THROTTLE HOUSING, REPLACED ENGINE THROTTLE (R6385) DEFECT CODE 15 540 712

Owner-reported narrative. 5,396 miles reported. Look up ODI 10020912 at NHTSA ↗

Owner report 10025631 · 2003-07-08 (July 8, 2003)

CENTER COMPARTMENT IS ACCESSIBLE WITHOUT A KEY. THERE IS A SOLENOID TO LOCK THE COMPARTMENT, BUT ALL ONE HAS TO DO TO OPEN IT IS PRESS THE DOOR UNLOCK BUTTON.*AK

Owner-reported narrative. 7 miles reported. Look up ODI 10025631 at NHTSA ↗

Owner report 10031217 · 2003-08-10 (August 10, 2003)

I WAS APPROACHING A TRAFFIC SIGNAL AND I HAD TO STOP. I BEGAN EASING UP ON THE BRAKE PEDAL AS THE CAR WAS COMING TO A STOP. IT WAS THEN THAT I REALIZED I WAS HAVING TO PRESS HARDER ON THE BRAKE PEDAL AS THE CAR WAS NOT MAINTAINING THE SLOW SPEED I WAS EXPECTING. HAVING REACHED THE POINT AT WHICH I HAD TO STOP, I FOUND MYSELF PRESSING QUITE HARD ON THE BRAKE PEDAL. I IMMEDIATELY PUT THE CAR INTO NEUTRAL AND NOTICED THE TACHOMETER READING 3,500 TO 4,000 RPM'S. I BELIEVE IT WAS MY TAPPING ON THE GAS PEDAL THAT GOT THE CAR TO REV AT THE NORMAL R…

Owner-reported narrative. 5,095 miles reported. Look up ODI 10031217 at NHTSA ↗

Owner report 10032374 · 2003-08-07 (August 7, 2003)

CONSUMER STATED THAT WHILE DRIVING AND WITHOUT THE VEHICLE WOULD LOOSE POWER WHICH CAUSED THE CONSUMER TO PULL OVER. DEALER NOTIFIED. *PH

Owner-reported narrative. Look up ODI 10032374 at NHTSA ↗

Owner report 10033253 · 2003-08-21 (August 21, 2003)

DRIVING ON THE INTERSTATE IN MY JUNE 2003 PRODUCTION BMW Z4 3.0I ROADSTER. THE CAR SUDDENLY DIES AT 65 MPH. THE "EML" LIGHT COMES ON, BRAKE LIGHTS COME ON, RPM NEEDLE SURGES, THROTTLE IS UNRESPONSIVE, AND THE FOOT BRAKES ARE FROZEN AND CANNOT BE DEPRESSED. I WAS BARELY ABLE TO SWERVE OFF THE INTERSTATE, ACROSS THE SERVICE ROAD, AND INTO A PARKING LOT WHERE I HAD TO USE THE HAND BRAKES TO GET THE CAR TO STOP COMPLETELY.*AK

Owner-reported narrative. 4,800 miles reported. Look up ODI 10033253 at NHTSA ↗

Owner report 10033452 · 2003-08-25 (August 25, 2003)

2003 BMW Z4 3.0 WITH THE SMG TRANSMISSION (W/ SPORT PACKAGE). THE FOLLOWING INSTANCE HAS HAPPENED TWICE WITHIN THE CURRENT 2,600 MILES ON THE NEW VEHICLE. WHILE IN THE "MANUAL MODE" IN THE SMG TRANSMISSION AND DOWNSHIFTING TO FIRST GEAR (AT A 4-WAY STOP INTERSECTION), WHILE WAITING TO ACCELERATE OUT INTO THE INTERSECTION THE TRANSMISSION "SLIPPED" INTO NETURAL WITHOUT MYSELF (DRIVER) KNOWING, SO WHEN IT WAS TIME TO ACCELERATE THROUGH THE INTERSECTION I WAS VERY SUPRISED TO FIND I DID NOT MOVE BUT HEARD THE ENGINE JUST REV WHILE I STAYED PUT!! …

Owner-reported narrative. 2,300 miles reported. Look up ODI 10033452 at NHTSA ↗

Recall history

4 distinct campaigns affect this selection. Announcement dates below are different from vehicle model years. A campaign may cover multiple years.

03V032000 · Seat Belts:Front:Buckle Assembly

Reported: 2003-02-04 (February 4, 2003)

ON CERTAIN PASSENGER VEHICLES, THE CONNECTION OF THE SAFETY BELT BUCKLE TO THE STEEL ROPE OF THE TENSIONER DOES NOT MEET BMW SPECIFICATIONS. IN SEVERE FRONTAL CRASHES, THIS CONNECTION CAN DETACH.

Consequence: 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 COULD OCCUR THAT MIGHT OTHERWISE BE MITIGATED.

Remedy: DEALERS WILL INSPECT BOTH FRONT SAFETY BELT TENSIONER AND BUCKLE ASSEMBLIES, AND IF NECESSARY, REPLACE THESE PARTS. OWNER NOTIFICATION BEGAN MARCH 19, 2003. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT BMW AT 1-800-831-1117.

NHTSA campaign record ↗
03V214000 · Tires

Reported: 2003-06-09 (June 9, 2003)

ON CERTAIN VEHICLES EQUIPPED WITH 18" TIRES, IT IS POSSIBLE THAT THE TIRE HAS BEEN DAMAGED DURING THE MOUNTING PROCESS TO THE RIM.

Consequence: CONSEQUENTLY, A LOSS OF TIRE PRESSURE, OR A TIRE FAILURE, COULD OCCUR. DEPENDING ON TRAFFIC CONDITIONS AND THE DRIVER'S REACTIONS, THIS COULD LEAD TO A CRASH.

Remedy: DEALERS WILL UNSEAT THE TIRE FROM ITS RIM, INSPECT FOR ANY DAMAGE, AND THEN RESEAT THE TIRE TO ITS RIM. IF INSPECTION REVEALS THAT A FRONT TIRE HAS INCURRED DAMAGE DURING THE MOUNTING PROCESS, IT WILL BE REPLACED. OWNER NOTIFICATION BEGAN JULY 14, 2003. OWNERS SHOULD CONTACT BMW AT 1-800-831-1117.

NHTSA campaign record ↗
04V182000 · Fuel System, Gasoline:Delivery:Fuel Pump

Reported: 2004-04-12 (April 12, 2004)

ON CERTAIN PASSENGER VEHICLES, UNDER CERTAIN ENVIRONMENTAL CONDITIONS, A VAPOR LOCK IN THE FUEL PUMP COULD OCCUR CAUSING THE ENGINE TO STALL. IF THIS WERE TO HAPPEN, THE ENGINE WOULD NOT BE ABLE TO BE RESTARTED FOR APPROXIMATELY 15 TO 20 MINUTES.

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

Remedy: DEALERS WILL INSTALL A RESISTOR IN THE ELECTRICAL LINE POWERING THE FUEL PUMP IN ORDER TO PREVENT AN OCCURRENCE OF VAPOR LOCK. THE RECALL BEGAN MAY 11, 2004. OWNERS SHOULD CONTACT BMW AT 1-800-831-1117.

NHTSA campaign record ↗
04V247000 · Air Bags

Reported: 2004-05-24 (May 24, 2004)

ON CERTAIN PASSENGER VEHICLES, INCOMPATIBLE ELECTRONIC AIR BAG SYSTEM PROCESSORS MAY HAVE BEEN INSTALLED.

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

Remedy: DEALERS WILL INSPECT AND, IF NECESSARY, REPLACE THE AIR BAG SYSTEM PROCESSORS. THE RECALL BEGAN JUNE 11, 2004. OWNERS SHOULD CONTACT BMW AT 1-800-831-1117.

NHTSA campaign record ↗