The consumer test drove this vehicle and noticed rough idle, in which he felt that this was a sign of impending failure. The engine is prone to premature failure before 100k miles. The nakasil engine in bmw's are prone to unnatural cylinder wall erosion, due to the gasoline containing sulfur. The consumer requested information on the history related to the engine leak, with results, and any changes to the engine.
The worst 1994 BMW 740IL problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
- Engine2
- Electrical1
Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
- Engine2
- Electrical1
Recalls 1
Exterior lighting: brake lights: switch
- What is wrong
- The brake light switch can fail allowing the switch to remain in the "brake lights off" position or in the "brake lights on" position.
- Risk
- If this happens, the brake lights either will not operate or will be continuously on, regardless of brake pedal position. Following drivers would not be able to determine whether the vehicle is stopping, increasing the potential for a vehicle accident.
- Remedy
- Dealers will replace the existing brake light switch with a newly designed switch.
Recall number 96V111000 · Recall details
Technical service bulletins for the 1994 BMW 740IL 2
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
1994 BMW 740IL 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 |
|---|---|---|---|---|
| 4.0L 8‑cyl | RWD | 15 | 21 | 17 |
What 1994 BMW 740IL owners say
Most recent owner complaints, unedited.
This engine is a nikasil engine that has not failed yet, but will fail due to the material used. Mr
No summary
Compare the 1994 BMW 740IL
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Questions about the 1994 BMW 740IL
Is the 1994 BMW 740IL reliable?
Owners have filed 3 complaints about the 1994 BMW 740IL, fewer than a typical 740IL model year.
What is the most common problem with the 1994 BMW 740IL?
Engine and cooling, with 2 complaints. Next is electrical (1).
How many recalls does the 1994 BMW 740IL have?
1 recall, covering exterior lighting.
What gas mileage does the 1994 BMW 740IL get?
Official estimates for the 1994 BMW 740IL range from 17 mpg combined. The most efficient version (4.0L 8-cyl, RWD) gets 15 city and 21 highway.
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