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2021 BMW Z4 Report

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

Updated Jun 4, 2026·Daniel Wilson·2 Critical Recalls
2021 BMW Z4 Report

Overall Score

6.5/ 10
Our Verdict
Proceed with caution

Key Takeaways

  • The Z4's 3.0-liter, six-cylinder engine paired with an 8-speed automatic transmission provides spirited performance.
  • Expect an EPA-estimated combined fuel economy of 25 MPG, with premium fuel required.
  • Significant recall campaigns have targeted the fuel system, starter assembly, and seat belts, necessitating verification of completed repairs.
  • The absence of consumer complaints is noted, but does not negate the importance of addressing recall items.
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OverviewWho This Car Is ForReliability & ProblemsVehicle SpecsUnlock Full ReportFAQ
Overview

2021 BMW Z4

The 2021 BMW Z4 presents a compelling package for the enthusiast seeking a premium roadster. Its rear-wheel-drive chassis and potent 3.0-liter inline-six engine deliver the engaging performance expected of the brand. However, a used Z4 buyer should proceed with caution due to a notable number of recalls. These campaigns address critical systems, including the fuel system, braking assist, and starter assembly, indicating potential areas for scrutiny during inspection. While consumer complaints are absent in the data, the breadth of recall issues suggests a need for thorough due diligence.

Critical Failure Risk

Recalls indicate a risk of fuel tank weld failure, potentially leading to fuel leaks. This is a critical safety concern.

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

Open Maintenance Analysis →

Safety & Bulletins

Open Recalls7
Service Bulletins0
Full Recall History →

Owner Complaints

0

No primary complaint themes found.

Detailed Issue Breakdown →

Performance & Efficiency

Fuel Efficiency
Combined
25
MPG
City
22
MPG
Highway
30
MPG
Full Vehicle Specifications ↓

Reliability

7.9/ 10

Practicality

2.9/ 10

The score is mainly limited by limited seating.

Buyer Fit

Who This Car Is For

Best for

Drivers prioritizing engaging handling and convertible motoring.

+2 more buyer-fit notes in the full report

Avoid if

Budget-conscious buyers seeking low-cost, hassle-free transportation.

+2 more buyer-fit warnings in the full report

2021 BMW Z4 Reliability Analysis

Explore comprehensive reliability data including official safety recalls, consumer complaints, and common mechanical failures for the 2021 BMW Z4.

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

Vehicle Specs

Fuel Type
Premium
Seating Capacity
2
Transmission
Automatic
Drivetrain
RWD/Rear-Wheel Drive
Body Style
Coupe
EPA Combined MPG
25

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Unlock the complete checklist, maintenance outlook, and buyer verdict in one place.

Most Common Issues

1. Fuel System Leaks

Most reported

Usage data observed

2. Starter Assembly Fire Risk

Usage data observed

See all common issues in the maintenance guide

First Service Interval

- Oil Change (0W-20 Synthetic) (Parts: 0W-20 Synthetic Oil, Oil Filter) - Tire Rotation and Inspection - Brake System Inspection

Est. shop cost: $150 - $250

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
7 recall campaign details & remedy notes
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FAQ

FAQ

Is the 2021 BMW Z4 reliable?▾

The CarFocal Reliability Score for the 2021 BMW Z4 is 7.9/10. Reliability score is 7.9/10. NHTSA recalls: 7. Owner complaints: 0.

How practical is the 2021 BMW Z4 for daily use?▾

Practicality score is 2.9/10. The score is mainly limited by limited seating. EPA combined economy is 25 MPG. Seating capacity is 2.

What is the overall score for the 2021 BMW Z4?▾

The CarFocal Overall Score for the 2021 BMW Z4 is 6.5/10. Overall score is 6.5/10 (Good). Confidence 55%. Maintenance 7.9/10. Practicality 2.9/10.

What does it cost to own and maintain a 2021 BMW Z4?▾

Based on Carfocal's data, First listed service: - Oil Change (0W-20 Synthetic) (Parts: 0W-20 Synthetic Oil, Oil Filter) - Tire Rotation and Inspection - Brake System Inspection at 10,000 miles. Estimated first-year maintenance: $400 - $700. Repair prediction highlight: Fuel Tank (typical at 50,000 miles, estimated cost Min: $500 • Max: $1,500).

What engine is in the 2021 BMW Z4?▾

Engine specs list 6 • 3.0.

What transmission does the 2021 BMW Z4 use?▾

According to CarFocal's specs for the 2021 BMW Z4, transmission is Automatic. The paired drivetrain is RWD/Rear-Wheel Drive.

Does the 2021 Z4 require Premium gas?▾

Manufacturer fuel recommendation: Premium.

What is the combined EPA MPG for the 2021 BMW Z4?▾

EPA combined estimate is 25 MPG.

What driver assistance and safety features are available on the 2021 BMW Z4?▾

10 standard and 5 optional driver assistance features. Key features include Anti-lock Braking System, Electronic Stability Control, Traction Control.

How many people fit in a 2021 BMW Z4?▾

According to CarFocal's specs for the 2021 BMW Z4, seating capacity is 2.

What body style is the 2021 BMW Z4?▾

According to CarFocal's specs for the 2021 BMW Z4, body style is coupe.

What drivetrain does the 2021 BMW Z4 use?▾

According to CarFocal's specs for the 2021 BMW Z4, drivetrain is RWD/Rear-Wheel Drive. Transmission is Automatic.

Are there open safety recalls on the 2021 BMW Z4?▾

This model year has 7 official safety campaigns listed.

Should buyers consider alternatives to the 2021 BMW Z4?▾

Alternatives listed in this guide: 2021 Audi TT and 2021 Porsche 718 Boxster.

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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