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2018 BMW 750I problems

The most common problem on the 2018 BMW 750I is engine and cooling. It has fewer complaints than a typical 750I model year.

Typical yearClose to a typical year
Owner complaints
1
Recalls
0
Service bulletins
2343 warranty
Worst area
Engine
Fuel economy
20mpg

The worst 2018 BMW 750I problems

Ranked by number of owner complaints. Mileage and cost come from what owners wrote.

  • Engine
    1

Problems by type

Tap a problem to see which part fails, at what mileage and in which other years.

  • Engine
    1

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.

See all 234 bulletins for the 2018 BMW 750I

2018 BMW 750I fuel economy

Official EPA estimates in miles per gallon (MPGe for electric). Ranges cover trims that share the same engine.

EngineDriveCityHighwayCombined
4.4L 8‑cylRWD172520

What 2018 BMW 750I owners say

Most recent owner complaints, unedited.

Filed Apr 24, 2025 · Engine · 87,000 miles · TX

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.

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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.

Share your experience with the 2018 BMW 750I

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