2014 BMW 435I Engine cooling Problems
- Complaints
- 1about this part
- Share
- 4%of 23 total for the year
- Median mileage
- 80,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the engine cooling of the 2014 BMW 435I, 4% of the 23 complaints for this model year. Where a mileage was given, the median is 80,000 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The contact owns a 2014 BMW 435I. The contact stated that while the vehicle was turned off, the battery discharged abnormally. No warning lights were illuminated. The vehicle was taken to a local dealer, where it was diagnosed, and determined that the water pump had remained running unexpectedly when the vehicle was turned off. The vehicle was not repaired. Upon further investigation, the contact related the failure to NHTSA Campaign: 24V608000 (Engine and Engine Cooling, Electrical System); however, the VIN was not included. The manufacturer was made aware of the failure. …”
NHTSA complaint #11703680, filed 2025-12, 80,000 milesRelated service bulletins
- 10212788Apr 1, 2022The 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.
- 10214256Feb 1, 2022The 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.
- 10200228Jun 1, 2021On rare occasions during an engine oil service, the BMW Original (Genuine) engine oil filter insert is either difficult to remove or breaks apart in the oil filter housing.
- 10188938Feb 1, 2021COMBUSTION CONTROL VALVE LIFT AT IDLE: The vehicle will run rough or hesitate when accelerating from a stationary position.
- 10176363May 1, 2020TANK VENTILATION AND MIXTURE CONTROL FAULTS STORED IN THE DME: The Engine Malfunction Warning is illuminated and one or more of the following faults are stored in the DME.
- 10174005Apr 1, 2020DME FC 21A02D - COMBUSTION CONTROL: VALVE LIFT AT IDLE This Service Information Bulletin (Revision 3) replaces SI B12 13 18 dated September 2019. The vehicle will run rough or…
- 10172490Feb 1, 2020Fault Code 1D2008 Stored in DME: This Service Information Bulletin (Revision 5) replaces SI B12 33 14 dated February 2016. The Service Engine Soon light is on. There may also be…
- 10172487Feb 1, 2020ENGINE OIL FILTER INSERT IS DIFFICULT TO REMOVE - REMOVAL: This Service Information Bulletin (Revision 1) replaces SI B11 01 20 dated February 2020. On rare occasions during an…
- 10165280Aug 1, 2019DIAGNOSING NOISE FROM THE REAR EXHAUST FLAP (B58) This Service Information Bulletin (Revision #1) replaces SI B18 01 18 dated February 2018. Warranty Labor Operations changed…
- 10163995Jul 1, 2019DIAGNOSTIC HINT: CATALYTIC CONVERTER INSPECTION AFTER LOSS OF CRANKSHAFT SIGNAL. In certain situations when the crankshaft position signal is lost while driving the malfunction…
Engine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2016 | 1 | 10% |
| 2014 | 1 | 4% |
Other parts of the 2014 BMW 435I
10 complaintsFuel system
10 complaintsTransmission and drivetrain
5 complaintsElectrical system
3 complaintsAir bags
1 complaintsBrakes
1 complaintsExterior lighting
1 complaintsVehicle speed control
1 complaints
← All problems reported for the 2014 BMW 435I
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology