Total Complaints
16 filings
BMW M COUPE · model year
1999 BMW M COUPE
16 NHTSA complaints for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 1999BMWM COUPE carries 16 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 0 crashes, 0 fires, 0 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.
Component-level analysis is where model-year complaints become actionable: the top complaint category for the 1999 M COUPE is structure:frame and members with 6 filings, followed by seats (2) and power train:driveline:differential unit (2). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability.
NHTSA currently has 34 investigation files overlapping the 1999 M COUPE. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.
16
Complaints
0
Crashes
0
Fires
0
Injuries
0
Deaths
Crashes Reported
0 reports
Source
NHTSA ODI
Federal complaints database
Complaints vs. fleet median (215)
At or below the fleet median complaint volume.
Complaints by Component
| Component | Count |
|---|---|
| STRUCTURE:FRAME AND MEMBERS | 6 |
| SEATS | 2 |
| POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT | 2 |
| LATCHES/LOCKS/LINKAGES:DOORS:LATCH | 1 |
| AIR BAGS | 1 |
| EQUIPMENT | 1 |
| STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS | 1 |
| STRUCTURE:BODY | 1 |
| SUSPENSION | 1 |
Recent Complaints
20130103STRUCTURE:BODY
REAR SUBFRAME IS BEGINNING TO SEPARATE FROM THE BODY OF THE VEHICLE, POSSIBLY CONTRIBUTOR TO UNSAFE AND UNSTABLE HANDLING. FIRST NOTICED AFTER HAVING SERVICE 2 INTERVAL DONE IN 2009, BUT UPON MORE RESEARCH ONLINE MANY Z3 OWNERS ARE HAVING THIS SAME ISSUE REGARDLESS OF MODEL OR HOW IT'S DRIVEN. BROKEN SPOT WELD UNDERNEATH THE VEHICLE. TRYING TO CATCH IT EARLY ON BEFORE IT GETS WORSE. *TR
Mileage: 137,000
20130103SUSPENSION
REAR SUBFRAME IS BEGINNING TO SEPARATE FROM THE BODY OF THE VEHICLE, POSSIBLY CONTRIBUTOR TO UNSAFE AND UNSTABLE HANDLING. FIRST NOTICED AFTER HAVING SERVICE 2 INTERVAL DONE IN 2009, BUT UPON MORE RESEARCH ONLINE MANY Z3 OWNERS ARE HAVING THIS SAME ISSUE REGARDLESS OF MODEL OR HOW IT'S DRIVEN. BROKEN SPOT WELD UNDERNEATH THE VEHICLE. TRYING TO CATCH IT EARLY ON BEFORE IT GETS WORSE. *TR
Mileage: 137,000
20080531STRUCTURE:FRAME AND MEMBERS
SUBFRAME TEAR, SEPARATING OF TRUNK FLOOR FROM RAILS. *TR
Mileage: 83,200
20061228STRUCTURE:FRAME AND MEMBERS
THE 1999 BMW M COUPE I OWN IS SUFFERING FROM A REAR SUBFRAME FAILURE. THE DIFFERENTIAL MOUNT AND REAR SUBFRAME ARE BECOMING DISCONNECTED FROM THE FRAME. VISUAL INSPECTIONS HAVE SHOWN THE SEPARATION. THIS WILL LEAD TO THE REAR DIFFERENTIAL BECOMING TOTALLY DISCONNECTED FROM THE CAR, LEADING TO A POSSIBLE ACCIDENT. THIS ISSUE IS CURRENTLY UNRESOLVED AS THE FIX WILL BE THOUSANDS OF DOLLARS. THERE ARE NUMEROUS DOCUMENTED CASES OF SUBFRAME FAILURES ON BMW Z3, M ROADSTER AND M COUPE MODELS. THIS IS OBVIOUSLY A MANUFACTURER DEFECT THAT HAS NO BEEN ADDRESSES BY THE MANUFACTURER. THIS PRESENTS A SERIOUS SAFETY ISSUE. *NM
Mileage: 81,410
20060829STRUCTURE:FRAME AND MEMBERS
THERE IS A CRASH RISK AS THE CAR'S SUBFRAME IS RAPIDLY TEARING AND THIS DESIGN FLAW COULD EVENTUALLY LEAD TO A LOSS OF CONTROL LEADING TOWARDS A CRASH. THE CAR INVOLVED IS A BMW M COUPE 1999. *NM
Mileage: 76,000
20050917STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS
REAR SUBFRAME WELDS ARE FAILING. AS A RESULT, THE FLOOR IS TEARING FROM THE SUBFRAME. THE FOLLOWING WEBSITE CONTAINS DESCRIPTIONS AND PHOTOS OF MANY EXAMPLES OF THIS VERY ISSUE. HTTP://WWW.THELARGEGLASS.COM/BMW/SUBFRAME/. *JB
Mileage: 50,000
20040919POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
DIFFERENTIAL BRACKET AND SUBFLOOR ARE CRACKING AND TEARING APART AT THE WELD SEAMS AND SPOT WELDS. COULD LEAD TO UNPREDICTABLE HANDLING, ESPECIALLY DURING REGULAR DRIVING TURNS/HIGHWAY SPEEDS (INSTABILITY, ROUGH SHAKING, LOOSE CHASSIS KNOCKING). *AK
Mileage: 26,456
20040919STRUCTURE:FRAME AND MEMBERS
DIFFERENTIAL BRACKET AND SUBFLOOR ARE CRACKING AND TEARING APART AT THE WELD SEAMS AND SPOT WELDS. COULD LEAD TO UNPREDICTABLE HANDLING, ESPECIALLY DURING REGULAR DRIVING TURNS/HIGHWAY SPEEDS (INSTABILITY, ROUGH SHAKING, LOOSE CHASSIS KNOCKING). *AK
Mileage: 26,456
20040610STRUCTURE:FRAME AND MEMBERS
SEPARATION OF FLOOR PAN WELDS APPEARS TO BE A COMMON PROBLEM IN AN UNCOMMON VEHICLE. I'M UNABLE TO PROVIDE A CAUSE, SINCE I AM THE THIRD OWNER, AND HAVE NEVER DRIVEN THE CAR AT IT'S INTENDED LIMITS. TO MY KNOWLEDGE, IT HAS NEVER BEEN RACED. SO FAR, I HAVE NOT REPAIRED THE PROBLEM.*AK
Mileage: 71,100
20040315STRUCTURE:FRAME AND MEMBERS
SERIOUS CRACKING ALONG MULTIPLE BODY SEAMS IN THE ENGINE COMPARTMENT IN STRUT TOWER AREA AND IN THE REAR IN THE LOWER SUBFRAME AREA. *AK
20040315EQUIPMENT
SERIOUS CRACKING ALONG MULTIPLE BODY SEAMS IN THE ENGINE COMPARTMENT IN STRUT TOWER AREA AND IN THE REAR IN THE LOWER SUBFRAME AREA. *AK
20040213POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
REAR DIFFERENTIAL MOUNT CRACKS. SUBFRAME SEPARATING FROM THE FLOOR OF TRUNK, AND TRUNK BEING TEARED OUT BY SUBFRAME. MAJOR ISSUE!!!!*AK
Mileage: 50,000
20030228AIR BAGS
RECURRING AIRBAG LIGHT. *JB
20030228SEATS
SEAT SHIFTS IN DIRECTION OF DECELERATION (BRAKE) AND ACCELERATION (GAS). FEELS LIKE SEAT WILL COME OFF ITS RAILS. *JB
19991027SEATS
WHEN BRAKES ARE APPLIED THE FRONT SEATS SLIDE FORWARD APPROXIMATELY ONE HALF INCH, WHEN BRAKE PRESSURE IS RELEASED SEATS SLIDE BACK INTO PLACE. VEHICLE TRAVELING AT 60 MPH HIT A BUMP IN ROADWAY AND THE DRIVER'S SIDE, CLOSED AND LOCKED DOOR UNLATCHED AND OPEN ENOUGH FOR THE AIR TO RUSH IN AND THE ROAD COULD BE SEEN THROUGH THE OPENING. *AK *YC
19991027LATCHES/LOCKS/LINKAGES:DOORS:LATCH
WHEN BRAKES ARE APPLIED THE FRONT SEATS SLIDE FORWARD APPROXIMATELY ONE HALF INCH, WHEN BRAKE PRESSURE IS RELEASED SEATS SLIDE BACK INTO PLACE. VEHICLE TRAVELING AT 60 MPH HIT A BUMP IN ROADWAY AND THE DRIVER'S SIDE, CLOSED AND LOCKED DOOR UNLATCHED AND OPEN ENOUGH FOR THE AIR TO RUSH IN AND THE ROAD COULD BE SEEN THROUGH THE OPENING. *AK *YC
Compare 1999BMWM COUPE to Similar Vehicles
NHTSA Investigations
Frequently Asked Questions
How many complaints does the 1999 BMW M COUPE have?▼
The 1999 BMW M COUPE has 16 NHTSA complaints, 0 crashes, 0 fires, 0 injuries, and 0 deaths reported.
What are the most common problems with the 1999 BMW M COUPE?▼
The most-complained component for the 1999 BMW M COUPE is STRUCTURE:FRAME AND MEMBERS with 6 complaints. Other frequently reported areas include SEATS and POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT.
Is the 1999 BMW M COUPE safe to buy?▼
Review the complaint history, crash and fire reports, safety ratings, and recall status on this page to make an informed decision. No NHTSA crash test rating is available for this model year. Compare with other model years using the links above.
Where does this data come from?▼
All complaint, recall, and safety rating data is sourced from the National Highway Traffic Safety Administration (NHTSA). Complaints are filed by vehicle owners through NHTSA's Office of Defects Investigation.
Vehicle Safety Guides
Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.
Read our methodology — how this data is sourced, computed, and verified.