"How reliable is the 2004 Bmw 745I?"

"Based on 41 NHTSA complaints, the 2004 Bmw 745I has a median complaint mileage of 84230 miles. The most common issue is ELECTRICAL SYSTEM."

"What are common problems with the 2004 Bmw 745I?"

"The most frequently reported component in NHTSA complaints for the 2004 Bmw 745I is ELECTRICAL SYSTEM, accounting for a significant portion of the 41 total complaints filed."

2004 Bmw 745I: Reliability Data

Source: NHTSA — 41 complaints

Total Complaints

84,230mi

Median Mileage

ELECTRICAL SYSTEM

Top Issue

Crash Reports

When Do Complaints Happen?

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

52,000 25th Percentile

84,230 Median Mileage

119,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

ELECTRICAL SYSTEM

POWER TRAIN

ENGINE

SERVICE BRAKES

ENGINE AND ENGINE COOLING

POWER TRAIN:AUTOMATIC TRANSMISSION

SERVICE BRAKES, HYDRAULIC

AIR BAGS

STEERING

POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"TL* THE CONTACT OWNS A 2004 BMW 745I. THE CONTACT WAS DRIVING 45 MPH WHEN SHE APPLIED THE BRAKES AND THE PEDAL WAS DEPRESSED TO THE FLOORBOARD. THE VEHICLE GRADUALLY DECELERATED TO A STOP AS THE CONTACT APPLIED EXCESSIVE PRESSURE TO THE BRAKES. THE VEHICLE WAS TOWED TO HER HOME AND PARKED WHERE AN I..."

"TL* THE CONTACT OWNS A 2004 BMW 745I. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 50 MPH, THE TRANSMISSION WARNING LIGHT ILLUMINATED AND DECREASED HIS DRIVABILITY. IN SOME CASES, THE VEHICLE WOULD SHIFT INTO DIFFERENT GEARS UNEXPECTEDLY. THE VEHICLE HAD NOT BEEN INSPECTED BY A DEALER, NOR HA..."

"TL* THE CONTACT OWNS A 2004 BMW 745I. THE CONTACT STATED THAT WHILE DRIVING AT AN UNKNOWN SPEED, THE COOLANT LIGHT ILLUMINATED. THE VEHICLE WAS THEN PARKED WHEN THE CONTACT NOTICED THAT THE VEHICLE WAS LEAKING ANTIFREEZE. AFTER ADDING ANTIFREEZE, THE FLUIDS WENT RIGHT TO THE PIPE AND SPILLED ONTO TH..."

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