Problems · NHTSA complaints
2012 BMW Z4 SDRIVE35IS problems
Owners filed 5 complaints about the 2012 BMW Z4 SDRIVE35IS with NHTSA between Aug 2020 and Feb 2025. The most-cited component is engine and engine cooling (3).
Complaints
5
Filed with NHTSA
Crashes
0
Reported by owners
Fires
0
Reported by owners
Injuries
0
People reported injured
Deaths
0
Reported to NHTSA
Complaints by component
One complaint can cite several components
- Engine and engine cooling3
- Electrical system2
- Steering1
- Engine1
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 Nov 11, 2026NHTSA vehicle page
When complaints were filed
Does it get worse with age? Complaints per calendar year filed
1
0
1
0
1
2
View as table
| Model year | Complaints filed per calendar year |
|---|---|
| 2020 | 1 |
| 2021 | 0 |
| 2022 | 1 |
| 2023 | 0 |
| 2024 | 1 |
| 2025 | 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
Engine and engine cooling
3 reports
“The contact owns a 2012 BMW Z4. The contact received notification of NHTSA Campaign Number: 24V608000 (ENGINE AND ENGINE COOLING, ELECTRICAL SYSTEM); however, the part to do the recall repair was not yet available. The local dealer was not contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was not made aware of the issue. The contact had not experienced a failure. VIN tool confirms parts not available.”
Electrical system
2 reports
“The contact owns a 2012 BMW Z4. The contact received notification of NHTSA Campaign Number: 24V608000 (Engine and Engine Cooling, Electrical System); however, the part to do the recall repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure. VIN tool confirms parts not available.”
Steering
1 report
“The contact owns a 2012 BMW Z4. The contact stated while driving approximately 10 MPH and turning to the left, the steering wheel seized, and the contact had to use force to return the steering wheel back to center. The contact stated that the failure occurred at various speeds while turning left or right. The contact stated that the vehicle was shuddering while the steering wheel was turned to the left or right. The vehicle regained normal steering functionality when the vehicle was stopped and turned off and restarted. The contact stated the "steering wheel" warning light was illuminated. The contact stated that the failure was a recurring failure. The contact had taken the vehicle to a local dealer, where it was diagnosed and determined that the steering rack needed to be replaced. The vehicle was not repaired. The contact researched online and related the failure to NHTSA Campaign Number: 12V302000 (Steering). The manufacturer was not informed of the failure. The failure mileage was approximately 16,000.”
Engine
1 report
“NOTICED WHINING NOISE FROM ENGINE ALTHOUGH IT DRIVES NORMALLY. BMW DEALER CONFIRMS TIMING CHAIN NEEDS REPLACEMENT. MY CAR IS AT 8 YEARS, 66K MILES - JUST OVER THE 7/70 WARRANTY EXTENSION FOR TIMING CHAIN. I UNDERSTAND THERE IS A CLASS ACTION LAWSUIT STILL PENDING ON THIS KNOWN ISSUE. IT HAS BEEN DEALERSHIP SERVICED SINCE IT WAS PURCHASED WITH FULL RECORDS.”
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 11, 2026
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.