What are the most common problems with the 2020 BMW 840i?

The 2020 BMW 840i is equipped with a 335 hp, 3.0L inline-6 engine and an 8-speed automatic transmission.

How many recalls does the 2020 BMW 840i have?

The 2020 BMW 840i currently has 11 recalls on file. Review the full recall report to see affected components and available remedies.

Is the 2020 BMW 840i a good buy used?

Verdict: Proceed with caution. The 2020 BMW 840i is equipped with a 335 hp, 3.0L inline-6 engine and an 8-speed automatic transmission. All-wheel drive is standard, enhancing traction and stability. Fuel economy is rated at 23 MPG combined, with high fuel costs a consideration. There are 11 recalls affecting this model, with critical issues noted in the braking and seat belt systems. Despite numerous recalls, there are no logged consumer complaints, though the LLM reliability score is average. Always verify service history, open recalls, and maintenance records before purchasing.

What maintenance costs should I expect for the 2020 BMW 840i?

Refer to the maintenance cost guide for interval schedules, DIY difficulty ratings, and typical repair cost ranges for the 2020 BMW 840i.

2020 BMW 840i Report

Known issues, recalls, running costs, and what to check before you buy.

Updated Jun 4, 2026Ryan Davis4 Critical Recalls

Overall Score

Our Verdict

Proceed with caution

Key Takeaways

The 2020 BMW 840i is equipped with a 335 hp, 3.0L inline-6 engine and an 8-speed automatic transmission.
All-wheel drive is standard, enhancing traction and stability.
Fuel economy is rated at 23 MPG combined, with high fuel costs a consideration.
There are 11 recalls affecting this model, with critical issues noted in the braking and seat belt systems.

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Overview

2020 BMW 840i

The 2020 BMW 840i presents a compelling blend of luxury grand touring and sporty dynamics. Its potent 3.0-liter inline-six engine delivers robust power, complemented by standard all-wheel drive for confident handling in various conditions. While the absence of consumer complaints is notable, a significant number of recalls, particularly concerning the braking and restraint systems, warrant careful consideration for used car shoppers. The vehicle's sophisticated technology and premium interior remain appealing, but potential buyers must factor in the documented critical safety issues and their resolution.

Critical Failure Risk

Recalls indicate recurring issues with the starter motor overheating, posing a potential fire risk. This can manifest as slow cranking or failure to start.

Early detection can help you avoid a $2,000-$5,000 repair.

Open Maintenance Analysis →

Safety & Bulletins

Open Recalls11

Service Bulletins0

Full Recall History →

Owner Complaints

No primary complaint themes found.

Detailed Issue Breakdown →

Performance & Efficiency

Horsepower: 335HP
Torque: 368 lb–ftLB-FT

Fuel Efficiency

Combined

MPG

City

MPG

Highway

MPG

Full Vehicle Specifications ↓

Reliability

Practicality

The score is mainly limited by high fuel consumption, and limited door access.

Buyer Fit

Who This Car Is For

Best for

Drivers seeking a luxurious and powerful grand tourer with a focus on performance.

+2 more buyer-fit notes in the full report

Avoid if

Budget-conscious buyers concerned about potential repair costs.

+2 more buyer-fit warnings in the full report

2020 BMW 840i Reliability Analysis

Specs

Vehicle Specs

Fuel Type: Premium
Seating Capacity: 5
Horsepower: 335 hp
Torque: 368 lb-ft
Transmission: Automatic
Drivetrain: All-Wheel Drive
Body Style: Chassis Cab
MSRP Range: $87,900 - $101,295
EPA Combined MPG: 23

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Most Common Issues

1. Starter Motor Overheating

Most reported

Usage data observed

2. Integrated Brake System Weld Defect

Usage data observed

See all common issues in the maintenance guide

First Service Interval

- Oil Change (5W-30 Synthetic) - Oil Filter Replacement - Tire Rotation - Brake System Inspection - Fluid Level Checks (Coolant, Brake, Power Steering)

Est. shop cost: $250 - $450

10,000 mi

Unlock the full maintenance guide for every scheduled service interval and cost forecast.

Full pre-purchase inspection checklist

Complete maintenance schedule (6 service intervals)

Repair forecasts with mileage and cost context

Full buyer-fit guidance and who should avoid it

Full specs and trim-level context

11 recall campaign details & remedy notes

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FAQ

Is the 2020 BMW 840i reliable?

The CarFocal Reliability Score for the 2020 BMW 840i is 7.5/10. Reliability score is 7.5/10. NHTSA recalls: 11. Owner complaints: 0.

How practical is the 2020 BMW 840i for daily use?

Practicality score is 4.4/10. The score is mainly limited by high fuel consumption, and limited door access. EPA combined economy is 23 MPG. Seating capacity is 5. 2 passenger doors are listed. Boot capacity is 420 litres.

What is the overall score for the 2020 BMW 840i?

The CarFocal Overall Score for the 2020 BMW 840i is 6.4/10. Overall score is 6.4/10 (Mixed). Confidence 55%. Maintenance 7.3/10. Practicality 4.4/10.

What does it cost to own and maintain a 2020 BMW 840i?

Based on Carfocal's data, First listed service: - Oil Change (5W-30 Synthetic) - Oil Filter Replacement - Tire Rotation - Brake System Inspection - Fluid Level Checks (Coolant, Brake, Power Steering) at 10,000 miles. Estimated first-year maintenance: $1,000 - $1,500. Repair prediction highlight: Starter Motor (typical at 50,000 miles, estimated cost Min: $800 • Max: $1,500).

What is the MSRP range for the 2020 BMW 840i?

MSRP range is $87,900 - $101,295.

What engine is in the 2020 BMW 840i?

Engine specs list Inline-6 • 6 • 3.0. Output is 335 hp • 368 lb-ft.

What transmission does the 2020 BMW 840i use?

According to CarFocal's specs for the 2020 BMW 840i, transmission is Automatic. The paired drivetrain is All-Wheel Drive.

Does the 2020 840i require Premium gas?

Manufacturer fuel recommendation: Premium.

What is the combined EPA MPG for the 2020 BMW 840i?

EPA combined estimate is 23 MPG.

What driver assistance and safety features are available on the 2020 BMW 840i?

9 standard driver assistance features. Key features include Anti-lock Braking System, Electronic Stability Control, Traction Control.

What is the fuel economy range for the 2020 BMW 840i?

According to CarFocal's specs for the 2020 BMW 840i, fuel economy range is 23-25 mpg combined.

How many people fit in a 2020 BMW 840i?

According to CarFocal's specs for the 2020 BMW 840i, seating capacity is 5.

What body style is the 2020 BMW 840i?

According to CarFocal's specs for the 2020 BMW 840i, body style is chassis_cab.

What drivetrain does the 2020 BMW 840i use?

According to CarFocal's specs for the 2020 BMW 840i, drivetrain is All-Wheel Drive. Transmission is Automatic.

Are there open safety recalls on the 2020 BMW 840i?

This model year has 11 official safety campaigns listed.