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 ↗2015 BMW 428i powertrain problems
moderate 4 complaints filed with NHTSA · avg repair $2,500 · see powertrain across all vehicles →
Complaints
4
Recalls
0
Avg fix
$2,500
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.
BMW of North America, LLC (BMW NA) is extending the limited warranty for the engine timing chain and oil pump drive chain modules to: 7 years/70,000 miles as determined by the vehicle's original in-service date
full bulletin at NHTSA ↗N20 and N26 Differential Pressure Sensor Fault: 195002 Stored in DME: The Service Engine Soon (MIL) light is on with the following differential pressure sensor fault stored: 195002 - Differential pressure sensor, tank vent valve, electrical: Short circuit to ground During engine operation, vibration and movement of the sensor can damage the pin contacts of the harness connector, or cause a break in the wiring.
full bulletin at NHTSA ↗EPS STEERING ELECTRIC MOTOR MOUNTING BOLTS LIMITED WARRANTY EXTENSION: There are front end noises when turning the steering wheel and/or there is limited power steering assist when maneuvering or parking the vehicle. For the basic steering gears, one possible cause is that the mounting bolts for the electric motor may become loose, missing and/or broken due to corrosion.
full bulletin at NHTSA ↗EPS STEERING ELECTRIC MOTOR MOUNTING BOLTS - LTD WTY EXT TO 10 YRS/120000 MILES: There are front end noises when turning the steering wheel and/or there is limited power steering assist when maneuvering or parking the vehicle. For the basic steering gears one possible cause is that the mounting bolts for the electric motor may become loose missing and/or broken due to corrosion.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 1 most recent
There is a ebrake bracket made of plastic underneath the car but that sits above the drive train running from the front to the back parallel to the drivetrain. It's not protected by a heat shield and is only made of thin plastic. My has been replaced three times already and is already needing to be fixed again on a car with only 76k miles. The high temperatures from the exhaust melt the plastic…
Had powertrain trouble with your 2015 BMW 428i?
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 2015 BMW 428i?
It's a documented issue but not catastrophic. 4 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 4 complaints filed, powertrain issues most often appear around 55,577 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/2015/BMW/428i.
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.