Frequently Asked Questions

What does it mean when the check engine light comes on in a 2022 BMW M5?

• It signals your vehicle’s onboard diagnostics detected an issue — anything from a loose gas cap to emission control faults or engine performance problems. Our technicians at Nalley BMW of Decatur use factory-grade tools to read precise BMW codes and recommend targeted repairs.
• Pricing is transparent: our initial diagnostic is competitively priced and often costs less than independent shops while delivering factory-trained expertise, OEM parts, and documented service history that preserves resale value and reduces long-term repair costs.
• Warranty note: repairs covered under warranty must be completed at a certified dealership to maintain protection. We also offer service financing so you can get needed repairs now and pay later.
• To get an accurate diagnosis and next steps, schedule service online with Nalley BMW of Decatur.

How long does a check engine light service take?

• Most diagnostic visits are efficient — code retrieval and inspection commonly take about 30–90 minutes, though repair times vary by issue. At Nalley BMW of Decatur we prioritize quick turnarounds and clear timelines so you know what to expect.
• We use OEM parts and factory procedures which can shorten rework and ensure long-term reliability, translating to immediate savings and lower lifetime maintenance costs compared with recurring fixes.
• While waiting, take advantage of our comfortable customer amenities and available service specials; see our current offers on the service specials page.
• Ready to visit? Please schedule appointment online and we’ll prepare a certified technician for your 2022 BMW M5.

How much does a check engine light diagnostic cost for a 2022 BMW M5?

• Costs vary by the complexity of the fault. Our dealership offers straightforward pricing and diagnostics that often cost less than independent shops once you factor in accurate diagnosis, OEM parts, and long-term savings from proper repairs.
• We emphasize value — faster, more accurate diagnostics reduce the risk of misdiagnosis and repeated repairs. Any warranty-covered work must be done at a certified dealership to retain coverage.
• If budget is a concern, ask about service financing when you schedule service; you can get repairs now and pay over time while protecting your vehicle’s long-term performance.

What is the most common reason for check engine light on a 2022 BMW M5?

• Common triggers include sensor faults (oxygen, mass airflow), ignition or fuel system issues, and occasionally emissions-related components. For high-performance engines like the 4.4L twin-turbo V8 in the 2022 BMW M5, early detection is critical to avoid costly engine or turbocharger damage.
• Nalley BMW of Decatur’s certified technicians are trained on BMW-specific failure modes and provide clear cost estimates, explaining immediate and long-term savings of dealer-quality repairs.
• Always follow up with scheduled maintenance to prevent repeat issues; check our service specials for available discounts before you book.

What is the first thing to check when the check engine light comes on?

• A quick initial check is the gas cap — a loose or damaged cap can trigger the light. If tightening the cap doesn’t help, professional diagnostics are the next step to prevent escalation.
• Bring your 2022 BMW M5 to Nalley BMW of Decatur for a precise scan using BMW-approved tools; our factory-trained techs will explain repair options, warranty implications, and potential long-term cost savings.
• We offer service financing and a range of service specials to make necessary repairs accessible. Click to schedule service and get a certified assessment today.