NHTSA (USA)Critical
At a glance
What can fail
The head air bag inflator may fail at a weld joint, causing gas to leak or the inflator to rupture.
What the fix does
This page covers 5 recalls, 36 owner complaints and EPA fuel economy for the 2014 BMW 428i.
26–27 mpg combined
8.7–9 L/100km
Compact Cars
Fuel economy data from fueleconomy.gov (EPA / U.S. Dept. of Energy). Annual cost based on 15,000 mi/yr at 55% city driving and current fuel prices. MPG is U.S. gallons; L/100km converted. Ranges reflect the 2 tested variants for this model year.
For the 2014 BMW 428i, the electrical system draws the most complaints, with owners describing unexpected shutdowns, power loss, and various electrical faults that can leave the car inoperable. A recurring concern involves the positive crankcase ventilation system, where fluid dripping onto electrical connectors is reported as a trigger for failures. Engine complaints are the second most-reported category, with multiple owners describing sudden stalling or complete engine shutoff while driving, in several cases traced to oil pump failure or oil starvation. Service brake complaints round out the top three, though those reports are less detailed across the set. The oil pump issue stands out because owners describe the car cutting out mid-drive with no warning lights beforehand, and several report difficulty getting parts or resolution from the manufacturer after the failure.
36
Total Complaints
5
Crash-Related
1
With Injuries
By System
The 2014 BMW 428i has 5 recalls, the most serious being multiple airbag inflator defects where ruptured inflators can send metal fragments into the cabin, raising the risk of serious injury or death.
Three separate recalls cover airbag inflators. The driver's front airbag inflator can explode and scatter metal fragments toward the driver or other occupants. Two additional recalls address the side and head airbags, where the inflator can crack at a weld joint and either leak gas or rupture, again sending metal fragments through the interior or out of the vehicle. These are among the more serious defect types seen on passenger vehicles.
On the electrical side, a faulty wiring connector can develop a short circuit and start a fire. This recall covers a wide range of BMW models from this era built with the same connector, and the 428i is among the affected vehicles.
The remaining recall involves the fuel pump, which can fail while driving and cause the engine to stall without warning. A sudden stall at highway speed or in traffic leaves the driver with reduced steering and braking assist and no ability to accelerate, increasing the chance of a crash.
At a glance
What can fail
The head air bag inflator may fail at a weld joint, causing gas to leak or the inflator to rupture.
What the fix does
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Complaints are owner-reported and reflect individual experiences, not confirmed defects. They are distinct from recalls. Data sourced from the national vehicle safety complaint database. See trending complaints →
Dealers will replace the head air bags at no cost.
Summarized — see the official notice for exact wording, dates, and contacts.
At a glance
What can fail
The electrical connector on the water pump may not be properly sealed, allowing water to enter and cause an electrical short circuit.
What the fix does
Dealers will inspect the water pump, replace it and the connector if needed, and install a protective shield.
Summarized — see the official notice for exact wording, dates, and contacts.
At a glance
What can fail
The driver's air bag inflator may explode when it deploys due to a manufacturing defect.
What the fix does
BMW will replace the driver's front air bag at no cost.
Summarized — see the official notice for exact wording, dates, and contacts.
At a glance
What can fail
The head air bag inflator may crack at a weld joint, causing gas to leak or the inflator to rupture.
What the fix does
Dealers will replace the head air bags at no cost.
Summarized — see the official notice for exact wording, dates, and contacts.
At a glance
What can fail
The fuel pump contains improperly plated components that can degrade, causing the fuel pump to fail.
What the fix does
The dealer will replace the fuel pump at no cost to you.
Summarized — see the official notice for exact wording, dates, and contacts.