2018 BMW 430I: problems, recalls and reliability

“I pulled out onto Southside Blvd. My brakes failed, my driver's front of the car hit a Waste Management garbage truck right back tire and cut the sidewall of the tire. The engine was racing, the truck pulled off the road, and I had sudden unintended acceleration. I immediately turned into a strip center and my car was racing through the strip center, the brakes were not working, the car controls were not working, and I turned the ignition switch off and the car stopped. The car had to be towed. Presently my insurance company has issued an estimate to repair the cosmetic issues, but not the mechanical issues.”Owner report · Engine · Dec 2024

“The contact owns a 2018 BMW 430I. The contact stated while driving at an undisclosed speed, the engine started overheating with the low coolant warning light illuminated. The contact parked and left the vehicle at a local dealer. The dealer was contacted. The vehicle was not diagnosed or repaired. The manufacturer was made aware of the failure and confirmed that the VIN was not included in SIB: 17 01 21 (Service Action: Replace the Coolant Vent Line on the Cylinder Head) and referred the contact to the NHTSA Hotline for assistance. The approximate failure mileage was 80,769.”Owner report · Engine And Engine Cooling · Dec 2024

“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 referenced NHTSA Campaign Number: 24V608000 (ENGINE AND ENGINE COOLING, ELECTRICAL SYSTEM) as a possible cause for the failure. The manufacturer was notified of the failure. The approximate failure mileage was 66,690.”Owner report · Electrical System · Oct 2024

“My BMW 430i 2018showed no warning and suddenly the car started to shake, I stopped immediately and after the car cooled, there was no coolant, the oil temperature gage was always on normal. The car overheated and caused catastrophic engine failure, and need replacement. Upon inspection by several mechanics, its obvious the coolant leak from a hose that connects with engine block”Owner report · Engine · Mar 2024

“When I cold started the car it rattled and shook, this stopped and the car was fine to drive. When I was on the road the cars check engine light came on and the car suddenly slowed down. An error popped up saying that there is a "powertrain malfunction". BMW dealership said that it is a failure in VANOS system. There was a recall on other BMW models expect mine, 2018 BMW 4 series.”Owner report · Engine · Mar 2024

“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 contact was provided an estimate to repair the front driver's side seat belt. The vehicle was not repaired. The manufacturer was notified of the failure and informed the contact there would be no assistance because the VIN was not included in NHTSA Campaign Number: 17V507000 (Seat Belts). The failure mileage was approximately 77,000.”Owner report · Seat Belts · Oct 2022

“The contact owns a 2018 BMW 430I. The contact stated that while driving approximately 45 MPH, the warning message "Pull Over Vehicle Will Shut Off" was suddenly displayed and the vehicle stalled. The vehicle was towed to the local dealer who diagnosed that the coolant hose was faulty and caused damage to the water pump. The coolant hose and water pump were replaced and the failure was remedied. The manufacturer was notified of the failure but no assistance was offered. The failure mileage was 49,000.”Owner report · Engine And Engine Cooling · Sep 2022