This page covers 2 recalls, 24 owner complaints and EPA fuel economy for the 2017 BMW 430i.
25–27 mpg combined
8.7–9.4 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.
Complaints about the 2017 BMW 430i cluster heavily around the engine and cooling system. Owners frequently report coolant loss, with several describing the plastic oil filter housing or related cooling components cracking or failing and causing the engine to overheat. A recurring pattern involves the heat management module, with multiple owners reporting coolant intrusion or failure that triggered the check engine light and required part replacement. A smaller number of owners also report engine stalling or unexpected loss of acceleration while driving, sometimes accompanied by unusual engine noises but without a warning light. Airbag-related complaints, while fewer in number, include owners reporting an intermittent passenger restraint system warning appearing and disappearing without a clear trigger.
24
Total Complaints
1
Crash-Related
1
With Injuries
By System
The 2017 BMW 430i has 2 recalls, both concerning the seat-mounted side airbags, which may fail to deploy in a crash and leave occupants without side-impact protection.
The airbag inflator initiator can fail to ignite, meaning the side airbag does not fire when needed. This raises the risk of injury in a side-impact collision where the airbag would otherwise cushion the occupant.
At a glance
What can fail
The seat-mounted side air bag inflator initiators may fail to ignite during a crash, leaving the air bag unable to deploy.
What the fix does
Dealers will replace the air bag modules at no cost to the owner.
Summarized — see the official notice for exact wording, dates, and contacts.
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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 →
At a glance
What can fail
The seat-mounted side airbag inflator initiators may fail to ignite in a crash, preventing the airbag from deploying.
What the fix does
Dealers will replace the affected airbag modules at no cost to you.
Summarized — see the official notice for exact wording, dates, and contacts.
