2012 BMW 335I problems & reliability
22 owner complaints filed with NHTSA for the 2012 BMW 335I, alongside 3 safety recall campaigns. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
1 complaint report injuries (1 injured).
Federal crash records (FARS 2020–2023): 2012 BMW 335I vehicles were involved in 1 fatal crash with 2 occupant deaths. Involvement counts are not adjusted for how many are on the road and do not imply fault or a vehicle defect.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Air Bags → | 14 | 64% |
| Engine | 4 | 18% |
| Seats | 3 | 14% |
| Unknown OR Other | 3 | 14% |
| Electrical System | 2 | 9% |
| Steering | 2 | 9% |
| Service Brakes | 1 | 5% |
| Visibility | 1 | 5% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Complaints by incident year
What owners report
“on my car there is what is called the bowden cable that works to open and release the hood so that it can be opened. The problem with the design of the cable is that it sits right over a coolant hose leading to the engine. What happens is that the coolant hose gets very hot and the bowden cable that sits right over it…”
Engine · filed Jul 10, 2024
“While driving with a passenger in front passenger seat, I occasionally receive a warning that there is a malfunction in passenger restraint system. At that time, the "pass airbag off" light goes on. I took the car to the dealer and was told it is likely a faulty passenger airbag seat occupancy sensor mat. The car is…”
Seats · filed Mar 12, 2024
“The car Hydroplaned while driving on the interstate, spun out of control and slammed into a tree in the rear end. My son was going approximately 65 mph and upon impact no airbags deployed and the steering wheel was in his hands after impact. His seat broke and collapsed into a laying position. His head sustained a…”
Air Bags · filed Sep 20, 2023
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
556 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2012 BMW 335I. The 10 most recent:
The basic conditions for initializing the power windows are not met.
B510819 · Service Bulletin/Repair Instructions · issued Jan 16, 2024
The electrical system of BMW vehicles has been subject to an ongoing development process over the last few years. This has led to increased demands being placed on the battery. This document covers important information…
B611305 · Service Bulletin/Repair Instructions · issued Jan 11, 2024
After programming the head unit (HU-H2), activating the FSC (German word Freischaltcode) Enabling Codes repeatedly fails.
B651523 · Service Bulletin/Repair Instructions · issued May 1, 2023
The 3G network in the US has been shut down. This means that only the 4G network will be available. In the 4G network, voice calls will be transferred via the Voice over LTE (VoLTE) function. For this purpose, the SIM…
B840822 · Service Bulletin/Repair Instructions · issued Mar 1, 2023
Exterior rear lights do not work.
B630917 · Service Bulletin/Repair Instructions · issued Mar 1, 2023
After an automatic engine start (MSA start), the transmission intermittently goes into the Park "P" or Neutral "N" position without any customer influence.
B122519 · Service Bulletin/Repair Instructions · issued Dec 1, 2022
For the eligible vehicles, BMW of North America, LLC (BMW NA) is extending the limited warranty for the vehicle's Fuel Injectors to 10 years/120,000 miles as determined by the vehicle's original in-service date.
B010919 · Service Bulletin/Repair Instructions · issued Dec 1, 2022
Component specific limited warranty extension. For the eligible vehicles, BMW of North America, LLC (BMW NA) is extending the limited warranty for the vehicle Nitrogen Oxide (NOx) Sensor(s) to: 10 years/120,000 miles as…
SIB011918 · Service Bulletin/Repair Instructions · issued May 1, 2022
The Headunit High (HU-H), also called NBT, began replacing the Car Information Computer (CIC) on certain MY2013 vehicles with option 609 (as of 7/2012 production). This uses map North America NEXT. The Headunit High 2…
SIB651312 · Service Bulletin/Repair Instructions · issued May 1, 2022
The quick disconnect coupling on the cylinder head coolant vent line could break at the cylinder head. This would lead to loss of coolant from the engine.
B170121 · Service Bulletin/Repair Instructions · issued Apr 1, 2022
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 2012 BMW 335I has 3 NHTSA recall campaigns — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2012 BMW 335I?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.