Frequently Asked Questions

What does it mean when the check engine light comes on in a 2016 BMW 7 Series?

• It signals one or more detected faults in the engine, emissions, or related systems—anything from a loose gas cap to catalytic converter issues or misfires affecting performance.
• At Nalley BMW of Decatur we diagnose the cause with factory-grade scanners and certified technicians, often finding faster, longer-lasting fixes—our work frequently costs less than independent shops when you factor in immediate reliability and reduced long-term repairs.
• We offer service financing so you can address problems now and pay later, and warranty-covered repairs must be completed at a certified dealership to keep your coverage intact.
• To get an accurate assessment, schedule service online and check our current service specials for savings.

How long does a check engine light service take?

• Diagnostic scans typically take 30–60 minutes; more involved repairs range from one hour to several hours depending on parts and complexity.
• Nalley BMW of Decatur prioritizes quick turnarounds with OEM parts and certified techs, minimizing downtime while preserving vehicle longevity.
• Choosing the dealership often yields immediate and long-term savings because repairs are done right the first time and covered by dealer warranties when applicable.
• You can schedule appointment online to reserve a convenient time and ask about service financing and available service specials.

How much does a check engine light diagnostic cost for a 2016 BMW 7 Series?

• Diagnostics at Nalley BMW of Decatur are competitively priced and transparent; our dealer pricing often beats independent shops once you consider technician expertise and correct OEM repairs that prevent repeat visits.
• Exact pricing depends on the scan and any follow-up repairs; we highlight immediate and long-term savings because certified repairs reduce future failures and maintain resale value.
• We offer service financing so you can get needed repairs today and pay over time; warranty repairs must be completed at a certified dealership to keep coverage valid.
• Check current offers and book to learn exact costs: service specials and schedule service.

What is the most common reason for check engine light on a 2016 BMW 7 Series?

• Common causes include oxygen sensor failure, catalytic converter issues, misfires, or evaporative system leaks—small issues left unchecked can lead to costly repairs.
• Nalley BMW of Decatur’s certified technicians identify root causes with OEM-grade tools and replace parts with genuine BMW components to protect engine performance and long-term value.
• We emphasize how dealership service yields savings over time: correct OEM repairs reduce repeat labor and parts costs, and warranty protections preserve investment.
• To address early signs like reduced fuel economy or rough idling, schedule service and ask about current service specials.

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

• Start with obvious items: a loose or missing gas cap and visible battery connections—battery services or battery replacements can sometimes solve drivability issues and false codes.
• At Nalley BMW of Decatur we perform a quick scan to read codes, check battery health, and inspect fluids and wiring to pinpoint faults efficiently.
• Dealer repairs provide immediate peace of mind and long-term savings because OEM parts and certified technicians reduce the chance of recurrence; warranty-covered repairs must be done at a certified dealership.
• Book a fast, accurate check—schedule service now and review our service specials for discounts and financing options.