2008 Bmw 550I: Reliability Data

Source: NHTSA — 49 complaints
49
Total Complaints
78,000mi
Median Mileage
ELECTRICAL SYSTEM
Top Issue
2
Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

36,000 25th Percentile
78,000 Median Mileage
90,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

ELECTRICAL SYSTEM
9
EXTERIOR LIGHTING
7
AIR BAGS
6
ENGINE
5
SEAT BELTS
4
UNKNOWN OR OTHER
2
TIRES
2
POWER TRAIN
2
FUEL SYSTEM, GASOLINE
2
SUSPENSION:MULTIPLE AXLE:TORQUE ARM
1

Severity Assessment

2
Crashes
6
Fires
2
Injuries
0
Deaths

Sample Complaint Reports

"2008 BMW 545I WITH DAMAGE DUE TO TOWING COMPANY. CONSUMER STATES THAT SHE WOULD LIKE REIMBURSEMENT OF THE REPAIRS TO FIX THE VEHICLE AFTER THE TOWING COMPANY DAMAGED IT. *KB THE CONSUMER STATED THE RIMS AND FRONT SPOILER WERE DAMAGED.*JB"
"I NEED THE FOLLOWING US TIRE RETAILS TO BE INSPECTED, ANALYZED, TESTED AND/OR WHATEVER GOVERNMENTAL PROCEDURES NEED TO BE TAKEN IN ORDER TO FIND OUT, FINE, CORRECT, DETERMINE WHETHER OR NOT THE TIRES STOCKED, MANUFACTURED ARE WITHIN FEDERAL GUIDELINES REQUIREMENTS FOR SAFETY AND ALL OTHER TECHNOLOGI..."
"I NEED THE FOLLOWING US TIRE RETAILS TO BE INSPECTED, ANALYZED, TESTED AND/OR WHATEVER GOVERNMENTAL PROCEDURES NEED TO BE TAKEN IN ORDER TO FIND OUT, FINE, CORRECT, DETERMINE WHETHER OR NOT THE TIRES STOCKED, MANUFACTURED ARE WITHIN FEDERAL GUIDELINES REQUIREMENTS FOR SAFETY AND ALL OTHER TECHNOLOGI..."

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28