The contact owns a 2018 BMW 750I. The contact stated that while driving at various speeds, the engine overheated with the temperature gauge indicating that the engine was hot(H) with the check engine warning light illuminated. The vehicle was taken to an independent mechanic where the contact was informed that thermostat, thermostat sensor, and the water pump needed to be replaced. The contact stated that the vehicle was repaired; however, the failure worsened, and additional repairs were performed but the failure persisted. The contact was then informed by a mechanic that the engine oil cooler line was defective which had caused oil to leak into the engine coolant. The mechanic linked the failure to the federal safety agency Campaign Number: 17V377000 (Engine and Engine Cooling); however, the VIN was not included. The manufacturer was notified of the failure and informed the contact that the vehicle was not under recall. The manufacturer then referred the contact to the federal safety agency Hotline to report the failure. The vehicle was not repaired. The failure mileage was approximately 87,000.
The worst 2018 BMW 750I problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
- Engine1
Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
- Engine1
Recalls
No recalls on record for this model year.
Technical service bulletins for the 2018 BMW 750I 234
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- The front and rear air suspension strut assemblies limited warranty for defects in materials or...
- The Supplemental Restraint Systems (SRS) Front Passenger’s Seat Occupancy Capacitive Interior Sensor (CIS)...
- The Telematics Control Units (TCU) Internal Emergency (Backup) Battery for defects in materials and/or...
- One or more of the LED daytime running lights are dim or discolored.
- The basic conditions for initializing the power windows are not met.
- The electrical system of BMW vehicles has been subject to an ongoing development process over the last few...
- The Central Information Display goes black intermittently due to resets of the Head Unit (HU-H3)....
- Situation
- Engine will crank but not start
- Customers may state that the alarm system (DWA) is not active after locking their unoccupied vehicle
2018 BMW 750I fuel economy
Official EPA estimates in miles per gallon (MPGe for electric). Ranges cover trims that share the same engine.
| Engine | Drive | City | Highway | Combined |
|---|---|---|---|---|
| 4.4L 8‑cyl | RWD | 17 | 25 | 20 |
What 2018 BMW 750I owners say
Most recent owner complaints, unedited.
Compare the 2018 BMW 750I
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Questions about the 2018 BMW 750I
Is the 2018 BMW 750I reliable?
Owners have filed 1 complaint about the 2018 BMW 750I, fewer than a typical 750I model year.
What is the most common problem with the 2018 BMW 750I?
Engine and cooling, with 1 complaint.
How many recalls does the 2018 BMW 750I have?
No recalls on record.
What gas mileage does the 2018 BMW 750I get?
Official estimates for the 2018 BMW 750I range from 20 mpg combined. The most efficient version (4.4L 8-cyl, RWD) gets 17 city and 25 highway.
VIN decoder
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