Problems · NHTSA complaints
2001 BMW Z3 Roadster problems
Owners filed 8 complaints about the 2001 BMW Z3 Roadster with NHTSA between Aug 2003 and Jun 2012. The most-cited component is power train (3).
Complaints
8
Filed with NHTSA
Crashes
0
Reported by owners
Fires
0
Reported by owners
Injuries
1
People reported injured
Deaths
0
Reported to NHTSA
Complaints by component
One complaint can cite several components
- Power train3
- Air bags2
- Electrical system1
- Suspension1
- Service brakes, hydraulic1
- Electronic stability control (esc)1
- Engine and engine cooling1
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.
Data from NHTSA Complaints API · synced Oct 30, 2026NHTSA vehicle page
When complaints were filed
Does it get worse with age? Complaints per calendar year filed
1
1
1
0
1
1
0
1
0
2
View as table
| Model year | Complaints filed per calendar year |
|---|---|
| 2003 | 1 |
| 2004 | 1 |
| 2005 | 1 |
| 2006 | 0 |
| 2007 | 1 |
| 2008 | 1 |
| 2009 | 0 |
| 2010 | 1 |
| 2011 | 0 |
| 2012 | 2 |
Mileage at failure isn’t a structured field in NHTSA complaint data, so we don’t chart it. Some owners mention it in their reports below.
Top problems in owners’ words
Verbatim from NHTSA complaints, newest first
Power train
3 reports
“I AM DRIVING AS NORMAL AND THEN THE CAR BEGINS TO HAVE PROBLEMS SHIFTING AND THE TRANSMISSION INDICATOR LIGHT COMES ON. THE OWNERS MANUAL TELL YOU TO PULL OVER AND SHIFT THE CAR INTO PARK AND THEN APPLY THE PARKING BRAKE AND TURN THE CAR OFF AND THEN BACK ON. IT SEEMS TO TEMPORARILY CORRECT THE PROBLEM BUT IT STILL OCCURS ON DAYS WHEN THE AIR TEMP. IS HIGH. I HAVE HAD THE CAR ON THE DIAGNOSTIC A NUMBER OF TIMES WITH NO CURE. AS FAR AS I KNOW THERE ARE NO RECALLS ON THE TRANSMISSION OR ECU. BUT THIS COULD BE A MAJOR PROBLEM AT HIGH SPEEDS ON THE HIGHWAY OR IN CITY TRAFFIC IF THE CAR STALLS OR LOCKS UP BMW 2001 Z3 2.5I (STEPTRONIC SHIFTING) *JS”
Air bags
2 reports
“I OWN A 2001 BMW Z3 3.0I ROADSTER THAT SPONTANEOUSLY DEPLOYED ITS DRIVER'S SIDE DOOR AIRBAG WHEN I SHUT OFF THE IGNITION IN THE DRIVEWAY, RESULTING IN A LARGE BRUISE AND BURN ON MY LEFT ARM. THE AIRBAG WARNING LIGHT HAD COME ON A FEW DAYS EARLIER, BUT THE OWNER'S MANUAL DID NOT INDICATE ANY HAZARD OF SPONTANEOUS DEPLOYMENT, AND I HAD NOT YET GOTTEN THE CAR IN TO THE DEALER FOR DIAGNOSIS. THE CAR HAS NOT BEEN MODIFIED IN ANY WAY AND IS OTHERWISE IN EXCELLENT CONDITION. THE CAR REMAINS IN MY DRIVEWAY AND HAS NOT BEEN DRIVEN, EXAMINED, DIAGNOSED, OR REPAIRED SINCE THE MALFUNCTION. I HAVE CALLED BMW CUSTOMER RELATIONS REGARDING THE MATTER. THEY SEEMED RATHER UNCONCERNED. I TOLD THEM IT IS NOT MY INTENTION TO SUE, AND LIKEWISE I WILL NOT LET THEM COVER UP THIS PROBLEM. RATHER, I WANT THEIR ENGINEERS TO TEST-BENCH MY CAR TO PINPOINT THE SOURCE OF THE MALFUNCTION AND TO ISSUE A RECALL IF APPROPRIATE. I FURTHER EXPECT THEM TO FIX THE PROBLEM, REPLACING ALL SUSPECT PARTS, AT NO COST TO ME. THEY SAID THEY WILL PASS ALONG MY CONCERNS TO THEIR CORPORATE OFFICE IN NEW JERSEY AND THAT I WILL RECEIVE A CALL BY NEXT TUESDAY. I'M NOT IMPRESSED WITH THEIR LEVEL OF CONCERN. *TR”
Electrical system
1 report
Suspension
1 report
“I AM THE ORIGINAL OWNER OF THIS AUTO. I NOTICED A NOISE COMING FROM THE REAR OF THE VEHICLE ON DECELERATION. UPON INSPECTING THE CAR, I FOUND THAT THE REAR SUB FRAME WAS ALMOST BROKER IN HALF. THIS IS THE PART THE HOLDS THE ENTIRE REAR SUSPENSION FOR THE CAR. FROM RESEARCH I'M FINDING OUT THAT THIS IS A COMMON PROBLEM WITH Z-3 BMW'S IN WHAT APPEARS TO BE A FLAW IN THEIR ENGINEERING. I WAS VERY SHOCKED TO SEE THE DAMAGE AND THAT IF I WOULD HAVE CONTINUED TO DRIVE THE CAR, VERY SHORTLY THE PART WOULD HAVE FAILED, WIPING OUT THE WHOLE REAR SUSPENSION. I AM AMAZED THAT THIS WAS NOT A RECALL ITEM OR THAT I WAS NOT EVEN NOTIFIED THAT THIS WAS A POTENTIAL ISSUE SO THAT I COULD MONITOR THIS AND CATCH IT BEFORE A MAJOR FAILURE. *TT”
Service brakes, hydraulic
1 report
“2001 BMW Z3 3.0L. THE ABS/DSC SYSTEM MALFUNCTIONS. WHILE DRIVING AT VARYING SPEEDS THE BRAKES ENGAGE ON THEIR OWN, CAUSING THE RIGHT FRONT BRAKE TO APPLY AND PULL THE CAR TO THE RIGHT. THIS HAS HAPPENED AT VARIOUS SPEEDS ON SEVERAL OCCASIONS. IT IS INCREDIBLY DANGEROUS SINCE IT COULD CAUSE A DRIVER TO LOOSE CONTROL. THE ACTIVATION OF THE BRAKES HAPPENS WHILE DRIVER'S FOOT IS ON ACCELERATOR, NO WHERE NEAR THE BRAKE PEDAL. AFTER THIS OCCURS THE BRAKE AND ABS LIGHTS DISPLAY ON THE INSTRUMENT PANEL. THIS DISAPPEARS WHEN THE CAR IS TURNED OFF AND THEN BACK ON, HOWEVER, THE CONDITION HAPPENS AGAIN. THERE IS NO ROAD ISSUES THAT WOULD CAUSE THIS. IT HAPPENS WHILE DRIVING STRAIGHT OR ON A CURVE. THERE IS NO REASON FOR IT TO HAPPEN. IT IS DANGEROUS! *TR”
Electronic stability control (esc)
1 report
Data from NHTSA Complaints API (owner reports, unverified) · synced Oct 30, 2026
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.