Reliability AnalysisBased on known issue patterns, repair cost data, and ownership trends · How we score

2021 BMW M5 Reliability ReportKeepScore 70/100 · top failure points · buy or avoid

70/ 100

KeepScore

MODERATE RISK

Grade: C+

Unleash exhilarating power, but be prepared for the significant commitment of ownership.

Full system breakdown + what I would do

Quick Facts · 2021 BMW M5

  • Scores 8 points below the strongest nearby year — the 2019 BMW M5 earns a 78.
  • The system most likely to surface first: engine oil management & seals (moderate severity).
  • Has 1 NHTSA recall on record — the most notable involves the back over prevention: sensing system: camera.

2021 BMW M5: Buy or Avoid?

The 2021 BMW M5 is an engineering marvel, delivering breathtaking performance and luxurious comfort. However, its complex high-performance nature demands meticulous maintenance and a substantial budget for potential repairs; this is not a vehicle for the faint of heart or light of wallet.

Biggest Strengths

  • Exceptional powertrain engineering and performance
  • Robust core mechanicals when properly maintained
  • High-quality interior materials and construction

2021 BMW M5 — Known Trouble Spots

The systems that break first on the 2021 BMW M5. Mileage windows, repair costs, and fix-before-you-buy notes are in the full report.

1
Engine Oil Management & Sealsmoderate
2
Advanced Electronics & Sensorsmoderate
3
Adaptive Suspension Componentsmajor
Typical mileage, cost ranges, and the exact what-to-check list are in the full report.

Safety Recalls on the 2021 BMW M5

1 recall on record from NHTSA. Check your VIN atnhtsa.gov to see if the repair was performed.

BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

BMW of North America, LLC (BMW) is recalling certain 2020-2021 X3 sDrive 30i, X3 xDrive 30i, X3M 40i, X3 xDrive 30e, X4 xDrive 30i, X4M 40i, 530i, 540i, 540i xDrive, M550i xDrive, M5, 550e, 550e xDrive, and 550e iPerformance vehicles. A small portion of the rearview image may be slightly obscured. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."

What breaks on the 2021 BMW M5?

Full reliability breakdown — engine, transmission, rust, electrical. With repair costs and mileage danger zones.

OwnerKeep Passport · $499 · one-time

Just bought a 2021 BMW M5? Keep it that way.

Snap a receipt — AI logs it. Build an OwnerScore. Sell with a buyer-ready Passport dossier.

BMW M5 — Year-by-Year Comparison

Compare KeepScores across nearby years of the BMW M5. Click any year for its full report.

Competing 2021s Worth a Look

Similar class, similar year range — ranked by KeepScore.

Relevant Products for Your 2021 BMW M5

Parts and accessories matched to your 2021 BMW M5

As an Amazon Associate I earn from qualifying purchases.

Frequently Asked Questions

Full Report

2021 BMW M5

7-system breakdown, mileage danger zones, repair cost projections, buyer checklist, and expert verdict.

Instant delivery · No account

Complete Owner's Guide

Already own one? Get the 13-chapter owner's guide with specs, service schedules, and fluid capacities.

Compare This Vehicle

Final Step

Know every issue before you sign.

A $4.99 reliability report can catch a $3,000 problem. Full breakdown for the 2021 BMW M5 — delivered in under 60 seconds.

OwnerKeep Passport

Just bought a 2021 BMW M5? Keep it that way.

OwnerKeep Passport turns your BMW M5's care history into a luxury digital vault — AI-logged receipts, an OwnerScore that pays at resale, and a buyer-ready dossier in one tap.

  • AI receipt OCR — snap and log
  • Fuel & mileage tracker
  • Tri-Score OwnerScore
  • One-tap resale dossier PDF
$499 · one-time · lifetime access · no subscription