IllustrationTHE WELDS CONNECTING THE SUBFRAME TO THE FLOOR ON THE UNDERSIDE OF THE REAR OF THE CAR HAVE BEGUN TO FAIL. THIS WAS FOUND AFTER THE AREA BEGAN TO MAKE NOISES WHEN SHIFTING THE CAR OR GOING OVER BUMPS.
1999 BMW Z3
Owner reports · Recalls · Investigations
Similar to other model years
Owner complaints for the 1999 BMW Z3 do not stand out strongly from the model-year median of 30.
About this comparison →How this year compares
Owner complaints by model year
Compare all Z3 years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
10–25K
325–50K
350–75K
775–100K
10100–150K
1150K+
25 reports with mileage · 14 unknown
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Structure. Review the 11 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Air Bags. Review the 10 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Power Train. Review the 9 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
0 crash reports0 fire reports2 injury reports
What owners actually said
39 reportsTHE VEHICLE WAS PARKED WHEN THE DRIVER NOTICED THAT THE DIFFERENTIAL WAS HANGING FROM UNDERNEATH THE VEHICLE. THE DRIVER HAD THE VEHICLE TOWED TO THE DEALER. THE MECHANIC INFORMED THE DRIVER THAT THE REAR TRUNK SUB FRAME NEEDED REPLACEMENT AND WELDING. *NM *SC
I OWN A 1999 BMW Z3 2.3 ROADSTER. THE DIFFERENTIAL MOUNT HAS TORN AWAY FROM THE UNDERBODY OF THE CAR WHERE IT WAS WELDED WHEN DESIGNED. THIS IS THE THIRD COMPLAINT ABOUT THIS PARTICULAR DEFECT ON THIS WEBSITE BUT THERE ARE SEVERAL MORE ON BIMMERFEST.COM. BMW NA SHOULD BE MADE AWARE OF THIS DESIGN FLAW AND FORCED TO DO A RECALL O…
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I OWN A 1999 BMW Z3 2.3 ROADSTER. THE DIFFERENTIAL MOUNT HAS TORN AWAY FROM THE UNDERBODY OF THE CAR WHERE IT WAS WELDED WHEN DESIGNED. THIS IS THE THIRD COMPLAINT ABOUT THIS PARTICULAR DEFECT ON THIS WEBSITE BUT THERE ARE SEVERAL MORE ON BIMMERFEST.COM. BMW NA SHOULD BE MADE AWARE OF THIS DESIGN FLAW AND FORCED TO DO A RECALL ON ALL CARS THEY MADE WITH THIS FLAW. I WILL SEEK ALL NECESSARY LEGAL ACTION TO HOLD THEM ACCOUNTABLE. YOU DON'T PAY $40,000 FOR A CAR THEY CLAIM AS THE BEST CAR ON THE ROAD TO HAVE A MAJOR SAFETY ISSUE LIKE THIS EXIST. *AK
THE CONSUMER NOTICED THE PASSENGER FRONT SEAT ROCKED BACK AND FORTH. HE TOOK THE VEHICLE TO THE DEALER AND WAS TOLD IT WOULD COST HIM. NOW THE DRIVERS SEAT HAS THE SAME DEFECT, HE TOOK IT BACK TO THE DEALER AND WAS TOLD THAT THE MANUFACTURER CAME OUT WITH A RETRO KIT AND THERE WOULD BE A CHARGE FOR THAT. THE MANUFACTURER …
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THE CONSUMER NOTICED THE PASSENGER FRONT SEAT ROCKED BACK AND FORTH. HE TOOK THE VEHICLE TO THE DEALER AND WAS TOLD IT WOULD COST HIM. NOW THE DRIVERS SEAT HAS THE SAME DEFECT, HE TOOK IT BACK TO THE DEALER AND WAS TOLD THAT THE MANUFACTURER CAME OUT WITH A RETRO KIT AND THERE WOULD BE A CHARGE FOR THAT. THE MANUFACTURER HAS DENIED HIS CLAIM FOR ANY ASSISTANCE. *JB (SEAT RAIL PROBLEM) *SC *JB
I HAVE 1999 BMW Z3 HATCHBACK "COUPE" , AFTER GETTING A LOUD SHUTER IN THE REAR OF MY CAR, I INVESTIGATED THE AREA AND FOUND THAT MY BODY IS TEARING AWAY FROM THE FRAME OF THE CAR IN THE DRIVERS REAR SIDE OF THE CAR. ALSO THE SINGLE REAR DIFFERENTIAL MOUNT ALSO HAS A TEAR INTHE METAL THAT EEQUALS TO ONE AND HALF INCH ON THE MOUNT…
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I HAVE 1999 BMW Z3 HATCHBACK "COUPE" , AFTER GETTING A LOUD SHUTER IN THE REAR OF MY CAR, I INVESTIGATED THE AREA AND FOUND THAT MY BODY IS TEARING AWAY FROM THE FRAME OF THE CAR IN THE DRIVERS REAR SIDE OF THE CAR. ALSO THE SINGLE REAR DIFFERENTIAL MOUNT ALSO HAS A TEAR INTHE METAL THAT EEQUALS TO ONE AND HALF INCH ON THE MOUNT CONSISTING THAT 33% OF THE MOUNT HAS FAILED AND IS GETTING WORSE. ALSO THE TEARING FROTHE INTERIOR IS ALL THE WAS THOUGH THE CAR ALLOWING EXAUST FUMES INTO THE CABIN OF THE CAR. *AK
1999 BMW Z3 SRS WARNING LIGHT STAYS ON CONTINUOUSLY.*AK
THE DIFFERENTIAL MOUNT ON MY 1999 BMW Z3 COUPE 2.8 HAS CRACKED. SHOULD THIS MOUNT FAIL COMPLETELY, I FEAR THAT SERIOUS HARM MAY COME TO ANOTHER DRIVER, PASSENGER OR MYSELF.*AK
REOCURRING PROBLEM WITH AIR BAG LIGHT MALFUNCTIONING.*MR VEHICLE WAS IN THE SHOP TWICE BEFORE FOR THE SAME PROBLEM. DEALER DIDN'T KNOW HOW TO DIAGNOSE AND CORRECT THE FAILURE. *PH
SEATBELTS LOCK TIGHT, PINNING ME DOWN OR DOESN'T WORK AT ALL. BOLT ON DRIVER'S SEAT WAS REPLACED BUT THE SEAT STILL MOVES. CONVERTIBLE TOP IS MISALIGNED CAUSING LEAKS, GAPS COULD BE SEEN 1 WEEK AFTER PURCHASE AND THEY ARE GROWING. DEALER ARGUES NO WARRANTY COVERAGE. CAR HESITATES BUT HASN'T STALLED YET.
SWAY BAR END LINKS CAME LOOSE. *AK
Official recalls
299V272000 · Power Train:driveline:differential Unit
Oct 7, 1999
VEHICLE DESCRIPTION: PASSENGER VEHICLES. THE REAR AXLE DIFFERENTIAL MAY CONTAIN RING GEAR BOLTS THAT WERE INCORRECTLY TORQUED DURING ASSEMBLY. THE BOLT OR BOLTS COULD LOOSEN LEADING TO NOISE FROM THE DIFFERENTIAL.
Consequence & remedy
Consequence: THE BOLT OR BOLTS COULD LOOSEN LEADING TO NOISE FROM THE DIFFERENTIAL AND IF A BOLT WERE TO COMPLETELY WORK LOOSE FROM ITS MOUNT, LOCKUP OF THE REAR AXLE COULD OCCUR.
Remedy: DEALERS WILL INSPECT THE VEHICLE'S DIFFERENTIAL AND IF INVOLVED, WILL REPLACE IT.
98V275000 · Electrical SYSTEM:12V/24V/48V Battery:cables
Nov 3, 1998
VEHICLE DESCRIPTION: PASSENGER VEHICLES. THE NUT THAT SECURES THE MAIN POSITIVE CABLE TO THE POSITIVE BATTERY TERMINAL CLAMP WAS NOT TIGHTENED PROPERLY, ALLOWING THE CABLE TO LOOSEN OVER TIME. IF THIS OCCURRED, THE CABLE COULD ULTIMATELY LOOSEN TO THE POINT WHERE ELECTRICAL CONTINUITY COULD BE INTERRUPTED.
Consequence & remedy
Consequence: IF THIS OCCURED WHILE THE ENGINE WAS RUNNING, THE ENGINE COULD STOP. ALSO, IF THE VEHICLE WERE BEING OPERATED AT NIGHT, THE LIGHTING SYSTEM COULD SHUT OFF, INCREASING THE RISK OF A CRASH.
Remedy: DEALERS WILL TIGHTEN THE NUT TO THE PROPER SPECIFICATIONS.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
0No exact-year investigations in this snapshot.