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Lane departurePart report

2018 BMW M550I Lane departure Problems

Complaints
2about this part
Share
9%of 23 total for the year
Median mileage
—not reported
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 2 complaints about the lane departure of the 2018 BMW M550I, 9% of the 23 complaints for this model year.

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.

“Excessive amounts of water accumulated at interior floors from the A/C drain unit. Water damage to all sensors and bad odor. Worried car may catch fire while driving. A/C will sometimes work.”

NHTSA complaint #11610156, filed 2024-08

Related service bulletins

Lane departure: other model years

YearComplaintsShare of year
201829%

Other parts of the 2018 BMW M550I

Air bags
10 complaints
Seat belts
6 complaints
Electrical system
4 complaints
Seats
3 complaints
Engine
2 complaints
Forward collision avoidance
2 complaints
Other or unknown
2 complaints
Body and structure
2 complaints
Wheels
2 complaints
Latches, locks and linkages
1 complaints
Steering
1 complaints
Tires
1 complaints

← All problems reported for the 2018 BMW M550I

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 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