KnownCarProblems2018 BMW 430i Problems and Recalls
Owners filed 36 complaints with NHTSA about the 2018 BMW 430i, most often about the engine (61% of complaints, typically around 66,500 miles). It is the most complained-about 430i model year since 2000 and has 1 recall.
Most common 2018 BMW 430i problems
Engine
22 complaints · 61%Half of these problems showed up before 66,500 miles. Parts named most often: cooling system.
The contact owns a 2018 BMW 430i. The contact stated that the vehicle was taken to a local dealer for routine service, and the vehicle was diagnosed and the contact was informed that the water pump was leaking and needed to be replaced. The low coolant level warning light was illuminated. The vehicle was not repaired.…
The contact owns a 2018 BMW 430i. The contact stated that while the vehicle was parked, the contact discovered that there was an unknown liquid leaking underneath the vehicle. The coolant warning light was illuminated. The vehicle was taken to a dealer, where it was diagnosed that there was a leak in the water pump…
Electrical
5 complaints · 14%While parked, car went on with gear shift failure with a note to take in for service, no lights on gear shift. Restarted car with it functioning as normal. 2 hours later, doors unlock on its own and all windows, sunroof also open on its own while in motion. Not exactly sure what is the defect as the car seems to be…
The contact owns a 2018 BMW 430i. The contact stated that while the vehicle was parked, the contact discovered that there was an unknown liquid leaking underneath the vehicle. The coolant warning light was illuminated. The vehicle was taken to a dealer, where it was diagnosed that there was a leak in the water pump…
Seat belts
4 complaints · 11%The contact owns a 2018 BMW 430i. The contact stated that while driving with the front driver's side seat belt buckled, the seat belt failed to restrain as needed. Additionally, the contact stated that the front driver's side seat belt failed to retract when unbuckled. The vehicle was taken to the dealer and the…
Other or unspecified
3 complaints · 8%While parked, car went on with gear shift failure with a note to take in for service, no lights on gear shift. Restarted car with it functioning as normal. 2 hours later, doors unlock on its own and all windows, sunroof also open on its own while in motion. Not exactly sure what is the defect as the car seems to be…
I pulled in my driveway and turned off the engine. I used the internal button to open the trunk then opened my door and got out of the car. The key was in my purse on my shoulder. I was reaching into the trunk to gather my belongings, and the car made a steady alarm sound I had never heard before and the trunk closed…
Seats
3 complaints · 8%The contact owns a 2018 BMW 430i. The contact stated that while reversing into a parking space, the contacts foot slipped off the brake and onto the accelerator pedal. The vehicle accelerated in reverse and crashed into a telephone pole. The front drivers seat collapsed out of place and fell backwards. No airbags…
Complaints are owner reports to NHTSA, not verified defects. One complaint can name several components, so shares add up to more than 100%.
2018 BMW 430i recalls
Seat belts: front
Risk: If the vehicle has an incompatible vehicle-sensitive locking mechanism, the seat belt may not restrain the seat occupant in the event of a crash, increasing the risk of injury.
Fix: Bmw will notify owners, and dealers will inspect and, if necessary replace, the front seat belt assemblies, free of charge. The recall began october 13, 2017. Owners may contact bmw customer service at 1-800-525-7417.
Full defect summary
Bmw of north america, llc (bmw) is recalling certain 2018 430i, 430i xdrive, 440i, 440i xdrive, and m4 convertible vehicles. The emergency locking retractors (elr) within the front seat belt assemblies may have been produced with incompatible vehicle-sensitive locking mechanism housings.
Recall repairs are free at any franchised dealer. Enter your VIN at nhtsa.gov/recalls to see which recalls are still open on your car.
NHTSA defect investigations
Desiccated air bag inflator rupture
Summary
From 2000 through 2017, takata produced millions of air bag inflators using two types of phase-stabilized ammonium nitrate ("psan") propellant -- propellant 2004 and propellant 2004l. After prolonged exposure to high temperature cycles and humidity, inflators using propellant 2004 can degrade, causing the propellant to burn too quickly when ignited. The rapid burning can cause the inflator to rupture during deployment, potentially causing serious or even fatal injury to vehicle occupants. See 2016 blomquist report at www.NHTSA.gov/sites/NHTSA.gov/files/documents/expert_report-hrblomquist.pdf.consequently, all frontal inflators using propellant 2004 that do not contain a "desiccant" (a substa
Questions about the 2018 BMW 430i
- What are the most common problems with the 2018 BMW 430i?
- By NHTSA owner complaints: engine (22 complaints, typically around 66,500 miles); electrical (5 complaints); seat belts (4 complaints).
- How many recalls does the 2018 BMW 430i have?
- 1 recall listed by NHTSA, the latest from August 16, 2017 (seat belts). Check your VIN at nhtsa.gov/recalls to see which ones are still open on your car.
- Is the 2018 a bad year for the BMW 430i?
- It is the most complained-about 430i model year since 2000, with 36 complaints. Complaint counts are not adjusted for how many cars were sold, so popular years collect more of them, and the newest years have had less time to.
Other BMW 430i years
- 2017
- 2018