Frequently Asked Questions

What does it mean when the check engine light comes on in a 2024 BMW 8 Series Gran Coupe?

• It signals that the vehicle’s onboard diagnostics has detected an issue ranging from minor sensor faults to more serious emissions, fuel, or ignition problems.
• At Nalley BMW of Decatur in Decatur, GA, our factory-trained technicians use OEM diagnostics to pinpoint causes quickly and recommend the right repair to protect performance and longevity.
• Prompt diagnostics often reduce repair costs and limit long-term damage—our certified service can save you money over time with accurate fixes and OEM parts.
• We offer service financing so you can get service now and pay later, and you can schedule appointment online for fast turnaround.
• Repairs covered under warranty must be performed at a certified dealership to preserve coverage—bring your vehicle to Nalley BMW of Decatur for trusted warranty service.

How long does a check engine light service take?

• Typical diagnostic scans and initial inspections can take under an hour; more involved repairs vary by fault but we prioritize timely, transparent communication.
• Because we stock OEM parts and use factory tools, many repairs are completed same day; we provide realistic estimates and explain immediate and long-term savings from dealer-quality work.
• Take advantage of our online schedule appointment system to reserve a convenient slot and view available service specials.
• Our shop offers comfortable amenities, streamlined check-in, and certified technicians trained specifically on BMW vehicles for efficient, accurate service.

How much does a check engine light diagnostic cost for a 2024 BMW 8 Series Gran Coupe?

• Diagnostics typically start near industry-competitive rates; at Nalley BMW of Decatur we price diagnostics to deliver value — accurate results and parts that last.
• Choosing our dealership often costs less than independent shops when you factor in precise diagnostics, correct OEM parts, warranty protection, and reduced likelihood of repeat repairs.
• We provide clear estimates, emphasize immediate and long-term savings, and offer service financing so necessary repairs don’t wait.
• For current offers, check our service specials and when ready you can schedule appointment online.

What is the most common reason for check engine light on a 2024 BMW 8 Series Gran Coupe?

• Common triggers include faulty oxygen sensors, loose gas caps, ignition coil or spark plug issues, and emissions-related sensor faults.
• Left unaddressed, these can reduce fuel economy, lower performance, and cause downstream component damage—dealer diagnostics identify root causes quickly to minimize cost and downtime.
• Nalley BMW of Decatur’s technicians use factory diagnostic tools to avoid guesswork and extend vehicle life, backed by OEM parts and manufacturer-level expertise.
• We also make service financing available and encourage customers to view our service specials when planning repairs.

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

• Start with basic checks: tighten the gas cap and review recent driving conditions. If the light remains, book a professional diagnostic to capture stored trouble codes.
• At Nalley BMW of Decatur we perform a complete scan and explain findings in plain language, recommending only necessary repairs to preserve performance and resale value.
• Scheduling is easy — schedule appointment online and review current service specials. Repairs under warranty must be completed at a certified dealership to maintain coverage.
• Our team focuses on quick diagnosis, OEM parts, and long-term savings through correct repairs and preventative maintenance.