CARFOCALvehicle research
Research CarsCompareRankingsArticles
  1. Home›
  2. Manufacturers›
  3. BMW›
  4. 840i›
  5. 2024›
  6. Maintenance

2024 BMW 840i Maintenance guide

v1.0Updated Jun 5, 2026·Ryan Davis4 Sources Analyzed
MAINTENANCE SUMMARY

The 2024 BMW 840i, with a combined MPG of 24, requires diligent maintenance. The primary concern is the starter assembly, which has a recall history indicating potential overheating and fire risk.

View Critical Issue: Starter Assembly Overheating
Subscribe to Recall AlertsSubscribe to Recall Alerts

Reliability Score

8.3/ 10

Est. Annual Maintenance Cost

$500 - $800

TSBs & Recalls

2 TSBs | 1 Recalls

SummaryMaintenance & CostsCommon FailuresSymptoms & PreventionKeep ReadingFAQSources

CarFocal account required

Unlock the Full 2024 BMW 840i Maintenance Guide

Create a free account to reveal the full service schedule, repair costs, and deeper diagnostic data.

Key Takeaways

  • Prioritize verification and completion of the starter assembly recall (25V644000) due to fire risk.
  • Adhere to a strict 10,000-mile or 1-year synthetic oil change schedule.

2 more takeaways unlock below

Critical service intervals
Common failure analysis
Symptoms and prevention guidance
Related guides and deeper reading
Full data sources and methodology
Create a free account to unlock

Free account. No credit card required.

Already have an account? Log in

MethodologyHow we score →

Scores are derived from NHTSA recalls and owner complaints, normalized by vehicle segment averages.

We may earn a commission via links on this page.

Subscribe to Recall Alerts

Get notified when a new recall or important ownership update lands for the 2024 BMW 840i.

Free alerts based on U.S. recall data. Unsubscribe anytime.

Buyer Report

Full ownership breakdown for the 2024 BMW 840i.

Open buyer report

Shop Parts

Quick links for routine service and common repair parts.

  • BMW Longlife-01 5W-30 Synthetic Oil
  • Oil Filter
  • Drain Plug Washer
  • Synthetic Engine Oil
  • Cabin Air Filter

We may earn a commission if you buy parts through our links. Learn more.

Carfocal

Automotive Research

Real data on vehicle reliability, safety, and ownership costs.

  • Used Car Research
  • Reliability Rankings
  • Buying Guides

  • Data Sources & Methodology
  • Editorial Standards
  • Contact
  • Privacy Policy
  • Legal Disclosures
  • Terms of Service

© 2026 Carfocal · All Rights Reserved