Frequently Asked Questions

What does it mean when the check engine light comes on in a 2023 BMW 7 Series?

• It signals an emissions, engine or sensor issue detected by the vehicle’s onboard diagnostics; it can range from minor to urgent.
• At Nalley BMW of Decatur we diagnose with OEM-grade scanners and factory-trained technicians to find the exact code and repair plan quickly.
• Our pricing often costs less than independent shops when you factor in accurate diagnostics, OEM parts, and long-term reliability—saving you money over time.
• Repairs under warranty must be performed at a certified dealership to preserve coverage; we handle warranty work and clearly explain options.
• We offer service financing so you can get repairs now and pay later; to book, please schedule service.
• Check our service specials for current offers before you visit.

How long does a check engine light service take?

• Most diagnostics at Nalley BMW of Decatur take about 30–90 minutes depending on code complexity and test needs.
• If the issue requires parts or additional testing, we’ll provide a transparent estimate and timeline so you can decide.
• Factory-trained techs and streamlined bays help us complete many repairs faster than you’d expect, reducing downtime.
• Use our online tools to schedule appointment and we’ll prepare your vehicle for prompt service.

How much does a check engine light diagnostic cost for a 2023 BMW 7 Series?

• Diagnostic pricing varies by issue; at Nalley BMW of Decatur we provide competitive, transparent rates and written estimates before work begins.
• Our approach emphasizes immediate and long-term savings—accurate diagnostics prevent unnecessary parts replacement and future breakdowns.
• We often offer better overall value than independent shops because we use OEM tools, genuine parts, and factory expertise.
• Ask about current service specials and our service financing options to manage cost.

What is the most common reason for check engine light on a 2023 BMW 7 Series?

• Common causes include faulty oxygen sensors, loose gas caps, ignition coil or spark plug issues, and catalytic converter faults.
• Left unaddressed, these problems can increase fuel use, reduce performance, and lead to costly repairs—our diagnostics identify root causes quickly.
• We use genuine BMW parts and warranty-backed repairs to protect your investment and vehicle longevity.
• To prioritize safety and value, schedule service or check our service specials.

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

• First check for obvious issues like a loose gas cap and secure it if needed; then have a professional scan for codes to determine severity.
• Bring your 2023 BMW 7 Series to Nalley BMW of Decatur for the correct OEM scan and interpretation—this avoids guesswork and unnecessary repairs.
• We’ll explain immediate steps, any warranty coverage, and provide cost-effective repairs with long-term savings in mind.
• Use our online scheduler to schedule service and review available service specials.