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Engine coolingPart report

2017 BMW 430I Engine cooling Problems

Complaints
5about this part
Share
20%of 25 total for the year
Median mileage
73,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 5 complaints about the engine cooling of the 2017 BMW 430I, 20% of the 25 complaints for this model year. Where a mileage was given, the median is 73,000 miles.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“The contact owns a 2017 BMW 430I. The contact stated that while driving at an undisclosed speed, the temperature gauge indicated that the engine was overheating, prompting the contact to discontinue driving the vehicle. After a visual inspection of the engine compartment, the contact observed that the coolant reservoir was empty, even though it had been refilled two weeks prior. The low coolant warning light was illuminated. The vehicle was not taken to the dealer or an independent mechanic. The vehicle was not repaired. …”

NHTSA complaint #11682998, filed 2025-08, 123,000 miles

“The contact owns a 2017 BMW 430I. The contact stated that while driving 70 MPH, the vehicle failed to accelerate as intended while depressing the accelerator pedal. The contact stated that the vehicle then stalled. The contact was able to pull over to the side of the road. No warning light was illuminated. In addition, the contact stated there was an abnormal sound coming from the engine. The vehicle was restarted; however, the failure recurred. The vehicle was taken to the dealer. However, no cause for the failure was found. …”

NHTSA complaint #11662165, filed 2025-05, 60,000 miles

“The contact owns a 2017 BMW 430I. The contact stated that while operating the vehicle, coolant leaks were present coming from the engine compartment. The vehicle was towed to the local dealer who diagnosed that the water pump and the oil filter housing gasket were faulty and needed to be replaced. The vehicle was repaired. The manufacturer was notified of the failure, but no assistance was offered. The contact was informed that the VIN was not included in the NHTSA Campaign Number: 24V608000 (Engine and Engine Cooling, Electrical System). …”

NHTSA complaint #11609776, filed 2024-08, 73,000 miles

“The contact owns a 2017 BMW 430i. The contact stated that while operating the vehicle, the message Coolant Leak, Refill Coolant was displayed. The vehicle was taken to the local dealer who diagnosed that the thermostat, oil filter housing, upper radiator hose, front engine block plug, water pump, turbo coolant line, and gasket were faulty and needed to be replaced. The contact stated that the oil filter housing and gasket were previously replaced. The vehicle was not yet repaired. The manufacturer was contacted but no assistance was offered. The failure mileage was 150,000.”

NHTSA complaint #11656254, filed 2025-04, 150,000 miles

“The contact owns a 2017 BMW 430I. The contact stated that while driving at an undisclosed speed, the check engine warning light illuminated. The vehicle was taken to the dealer and was diagnosed with intrusion into the heat management module coolant. The contact was informed that the HMM (Heat Management Module) needed to be replaced. An unknown hose was replaced. The contact stated that since 2022, the vehicle had experienced three coolant failures. The vehicle was repaired. The manufacturer was made aware of the failure and referred the contact to the NHSTA Hotline for assistance. …”

NHTSA complaint #11664713, filed 2025-06, 65,000 miles

Related service bulletins

Engine cooling: other model years

YearComplaintsShare of year
2020120%
2019313%
2018822%
2017520%

Other parts of the 2017 BMW 430I

Engine
9 complaints
Other or unknown
6 complaints
Electrical system
5 complaints
Air bags
3 complaints
Seat belts
2 complaints
Transmission and drivetrain
2 complaints
Fuel system
1 complaints
Body and structure
1 complaints
Tires
1 complaints

← All problems reported for the 2017 BMW 430I

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology