After an automatic engine start (MSA start), the transmission intermittently goes into the Park "P" or Neutral "N" position without any customer influence.
full bulletin at NHTSA ↗2014 BMW 435i powertrain problems
moderate Owners of the 2014 BMW 435i have filed 5 NHTSA complaints about the powertrain at roughly $2,500 to repair (U.S. federal records, as of July 2026). Source: NHTSA Office of Defects Investigation. See powertrain across all vehicles →
Complaints
5
Recalls
0
Avg fix
$2,500
When does it fail?
Of the 5 powertrain complaints filed for the 2014 BMW 435i, here's the actual mileage breakdown — failures cluster heaviest at 0-25,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
What stands out
No new NHTSA powertrain complaint has been filed on this vehicle in over 5 years — the issue may be aging out of the active population.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering powertrain on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
TICKING NOISE WHILE CORNERING WITHOUT THE BRAKES APPLIED: This Service Information Bulletin (Revision 3) replaces SI B34 05 17 dated September 2017. Ticking noise coming from front wheel while cornering without brakes applied noticeable at low speeds. The vehicle must be moving. See attached video V34 01 20 Note: For a similar noise heard when parking with the brakes applied refer to SIB 31 01 12. Microscopic movement of the contact interface between the inner brake disc and the wheel bearing flange on vehicles equipped with lightweight brake discs.
full bulletin at NHTSA ↗8HP: TRANSMISSION FLUID LOSS FROM COOLER LINES CONNECTIONS. There is a transmission fluid leak in the area around the oil cooler lines (on the transmission side). CAUSE Damaged O-rings due to unfavorable cooling line connection tolerances
full bulletin at NHTSA ↗This Service Information bulletin supersedes SI 12 33 14 dated December 2015. SUBJECT Fault Code 1D2008 Stored in DME. The Service Engine Soon light is on. Fault Code 1D2008: Map thermostat: jammed open is stored in the DME. There may also be a complaint of low heat output with lower outside temperatures. CAUSE During the engine warm-up, the engine coolant does not reach operating temperature within the DME's allowable time limits. This is caused by either a faulty thermostat inside the transmission oil heat exchanger or a faulty engine characteristic map thermostat.
full bulletin at NHTSA ↗Delivery Stop: B58 Engine - Check Crankshaft Bearing Shells.A Delivery Stop has been issued on F30 and F32 certain vehicles produced from July 2015 (start of production) to December 2, 2015. These vehicles may have upper guide bearing shells that may exhibit wear at low mileage. There are 45 vehicles affected by this stop. For your convenience, attached you will find the list of affected VINs. This bulletin will be updated with repair instructions and warranty information when it becomes available. Affected vehicles can be identified with a ?Vehicle Comment? in DCS Warranty Vehicle Inquiry or ISPA Light with a specific description.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 4 most recent
While driving at moderate acceleration I heard a pop and felt a large decrease in power. Looked under hood and saw an obvious pipe broken off. Took it to beverly hills BMW.advised it was the 'left charge pipe' and to find out its the very few things not covered in ca emissions 7 year/70k warranty. Seams fairly common. Estimate $1,313.14!
On two occasions, january 2015 and may 2015 my 435i stopped while I was driving without any warning whatsoever. The first time I was crossing a very busy 3 lane northbound road to get to the left turn lane when without any warning the car just stopped. They was no engine light on dash. I was lucky that I was not hit as I didn't even have the opportunity to brake, to indicate to drivers…
Tl* the contact owns a 2014 BMW 435i. While driving 15 MPH over a puddle of water, the water seeped into the engine and caused it to stall. There were no warning lights illuminated prior to the failure. The vehicle did not restart, but was not towed because the vehicle could not be shifted out of park. The vehicle was not repaired. The manufacturer was not notified of the issue. The VIN was…
Tl* the contact owns a 2014 BMW 435i. While driving various speeds, the drivetrain malfunction warning indicator illuminated. The vehicle decelerated and lost power. The vehicle was taken to nalley BMW of decatur (1606 church st, decatur, ga 30033) where it was diagnosed that the intercooler charge pipe needed to be replaced. The vehicle was not repaired. The manufacturer was not notified of the…
Had powertrain trouble with your 2014 BMW 435i?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the powertrain problem on the 2014 BMW 435i?
It's a documented issue but not catastrophic. 5 complaints have been filed. Repairs average $2,500 and most owners catch it before it causes a breakdown.
At what mileage does the powertrain typically fail?
Based on the 5 complaints filed, powertrain issues most often appear around 37,400 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $2,500 for powertrain repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to powertrain?
No active recalls currently cover powertrain issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2014/BMW/435i.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.