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Engine coolingPart report

2020 BMW 430I Engine cooling Problems

Complaints
1about this part
Share
20%of 5 total for the year
Median mileage
66,475miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 1 complaints about the engine cooling of the 2020 BMW 430I, 20% of the 5 complaints for this model year. Where a mileage was given, the median is 66,475 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 2020 BMW 430I. The contact stated while driving 55 MPH, the low coolant warning light was illuminated, and the message Engine Overheating was displayed. The vehicle was parked at the place of employment. The coolant level was checked an hour later by the contact’s husband, and the coolant level was low. The contact stated that her husband added coolant to the reservoir and observed coolant leaking underneath the engine compartment. The contact stated that later in the day, while driving at an undisclosed speed and the failure reoccurred. …”

NHTSA complaint #11654427, filed 2025-04, 66,475 miles

Related service bulletins

Engine cooling: other model years

YearComplaintsShare of year
2020120%
2019313%
2018822%
2017520%

Other parts of the 2020 BMW 430I

Air bags
1 complaints
Brakes
1 complaints
Other or unknown
1 complaints
Body and structure
1 complaints

← All problems reported for the 2020 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