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2021 BMW 740i Report

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

Updated Jun 4, 2026·Daniel Wilson·1 Critical Recall

Overall Score

6.4/ 10
Our Verdict
Proceed with caution

Key Takeaways

  • The 2021 BMW 740i is powered by a 335 hp, 3.0L inline-six engine paired with an 8-speed automatic transmission and rear-wheel drive.
  • It achieves an EPA-estimated 25 MPG combined, with a highway rating of 29 MPG.
  • Four safety recalls were issued for this model year, including a significant one concerning the starter assembly and engine control module software due to potential fire risk.
  • No owner complaints were logged by NHTSA, suggesting proactive manufacturer responses or a high threshold for reporting.
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OverviewWho This Car Is ForReliability & ProblemsVehicle SpecsUnlock Full ReportFAQ
Overview

2021 BMW 740i

The 2021 BMW 740i represents the pinnacle of BMW's luxury sedan offerings, combining a potent inline-six engine with sophisticated technology and a refined driving experience. For the used car shopper, this model presents a strong value proposition, delivering executive-class comfort and dynamic capability. However, a closer look reveals a history of four safety recalls, including one with critical fire risk implications related to the starter assembly. While owner complaints are absent, these recalls necessitate a thorough pre-purchase inspection and verification of completed repairs. Its fuel economy is respectable for its class, achieving a combined 25 MPG.

Critical Failure Risk

A recall addresses issues where repeated start attempts after starter motor failure can lead to overheating and electrical overload. This poses a fire risk.

Early detection can help you avoid a $500-$1,500 repair.

Open Maintenance Analysis →

Safety & Bulletins

Open Recalls4
Service Bulletins0
Full Recall History →

Owner Complaints

0

No primary complaint themes found.

Detailed Issue Breakdown →

Performance & Efficiency

Horsepower
335HP
Torque
330 lb–ftLB-FT
Fuel Efficiency
Combined
25
MPG
City
22
MPG
Highway
29
MPG
Full Vehicle Specifications ↓

Reliability

8.3/ 10

Practicality

6.2/ 10
Buyer Fit

Who This Car Is For

Best for

Buyers seeking a luxurious and powerful executive sedan at a pre-owned price point.

+2 more buyer-fit notes in the full report

Avoid if

Budget-conscious buyers who cannot afford potential repair costs beyond routine maintenance.

+2 more buyer-fit warnings in the full report

2021 BMW 740i Reliability Analysis

Explore comprehensive reliability data including official safety recalls, consumer complaints, and common mechanical failures for the 2021 BMW 740i.

  • Recall TimelineOfficial safety notices
  • Owner ComplaintsReal driver reports
  • Failure AnalysisKnown part defects
Specs

Vehicle Specs

Fuel Type
Premium
Seating Capacity
7
Horsepower
335 hp
Torque
330 lb-ft
Transmission
Automatic
Drivetrain
AWD/All-Wheel Drive
Body Style
Sedan
EPA Combined MPG
25

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Most Common Issues

1. Starter Assembly and ECM Software

Most reported

Usage data observed

2. Rearview Camera Software

Usage data observed

See all common issues in the maintenance guide

First Service Interval

- Oil Change (5W-30 Synthetic) (Parts: 5W-30 Synthetic Engine Oil, Oil Filter) - Tire Rotation and Inspection - Brake System Inspection - Cabin Air Filter Replacement (Parts: Cabin Air Filter)

Est. shop cost: $150 - $300

10,000 mi

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

Full pre-purchase inspection checklist
Complete maintenance schedule (3 service intervals)
Repair forecasts with mileage and cost context
Full buyer-fit guidance and who should avoid it
Full specs and trim-level context
4 recall campaign details & remedy notes
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FAQ

FAQ

Is the 2021 BMW 740i reliable?▾

The CarFocal Reliability Score for the 2021 BMW 740i is 8.3/10. Reliability score is 8.3/10. NHTSA recalls: 4. Owner complaints: 0.

How practical is the 2021 BMW 740i for daily use?▾

Practicality score is 6.2/10. EPA combined economy is 25 MPG. Seating capacity is 7. 4 passenger doors are listed. Boot capacity is 510 litres.

What is the overall score for the 2021 BMW 740i?▾

The CarFocal Overall Score for the 2021 BMW 740i is 6.4/10. Overall score is 6.4/10 (Mixed). Confidence 55%. Maintenance 8.3/10. Practicality 6.2/10.

What does it cost to own and maintain a 2021 BMW 740i?▾

Based on Carfocal's data, First listed service: - Oil Change (5W-30 Synthetic) (Parts: 5W-30 Synthetic Engine Oil, Oil Filter) - Tire Rotation and Inspection - Brake System Inspection - Cabin Air Filter Replacement (Parts: Cabin Air Filter) at 10,000 miles. Estimated first-year maintenance: $500 - $1,000. Repair prediction highlight: Starter Motor (typical at 75,000 miles, estimated cost Min: $800 • Max: $1,500).

What engine is in the 2021 BMW 740i?▾

Engine specs list Inline-6 • 6 • 3.0. Output is 335 hp • 330 lb-ft.

What transmission does the 2021 BMW 740i use?▾

According to CarFocal's specs for the 2021 BMW 740i, transmission is Automatic. The paired drivetrain is AWD/All-Wheel Drive.

Does the 2021 740i require Premium gas?▾

Manufacturer fuel recommendation: Premium.

What is the combined EPA MPG for the 2021 BMW 740i?▾

EPA combined estimate is 25 MPG.

What kind of powertrain does the 2021 BMW 740i use?▾

Powertrain classification is Plug-in Hybrid (PHEV).

What driver assistance and safety features are available on the 2021 BMW 740i?▾

14 standard and 1 optional driver assistance features. Key features include Anti-lock Braking System, Electronic Stability Control, Traction Control.

How many people fit in a 2021 BMW 740i?▾

According to CarFocal's specs for the 2021 BMW 740i, seating capacity is 7.

What body style is the 2021 BMW 740i?▾

According to CarFocal's specs for the 2021 BMW 740i, body style is sedan.

What drivetrain does the 2021 BMW 740i use?▾

According to CarFocal's specs for the 2021 BMW 740i, drivetrain is AWD/All-Wheel Drive. Transmission is Automatic.

Are there open safety recalls on the 2021 BMW 740i?▾

This model year has 4 official safety campaigns listed.

Should buyers consider alternatives to the 2021 BMW 740i?▾

Alternatives listed in this guide: 2021 Mercedes-Benz S-Class and 2021 Audi A8.

Start Here

Maintenance guide

Costs + intervals

Recall report

Campaigns + remedy notes

Owner complaints

Issue volume + categories

In this guide

  1. 01Overview
  2. 02Who This Car Is For
  3. 03Reliability & Problems
  4. 04Vehicle Specs
  5. 05Unlock Full Report
  6. 06FAQ

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