Frequently Asked Questions

What does it mean when the check engine light comes on in a 2016 BMW 5 Series 528i?

• It signals that the vehicle’s onboard diagnostics (OBD-II) system has detected a fault — from emission-related sensors to ignition or turbocharger controls in your 2016 BMW 5 Series 528i.
• At Nalley BMW of Decatur, our factory-trained technicians use OEM-grade scanners and diagnostics to quickly identify the specific trouble code and recommend a clear repair plan.
• Addressing codes early preserves fuel economy, prevents more costly repairs, and protects long-term vehicle value — immediate and long-term savings you’ll see when you choose dealership service.
• Repairs covered under warranty must be performed at a certified dealership to remain valid; our team handles warranty diagnosis and repairs efficiently and transparently.
• Need help now? You can schedule service online and ask about available service specials and service financing for repairs today.

How long does a check engine light service take?

• Most diagnostics for a 2016 BMW 5 Series 528i complete within 45–90 minutes depending on the complexity of codes found; follow-up repairs vary by required parts and labor.
• Nalley BMW of Decatur keeps many OEM parts in stock and uses efficient workflows so you spend less time waiting and more time on the road.
• We provide clear time estimates before work begins and discuss options that balance cost, coverage, and long-term reliability.
• We offer service financing so you can get the work done now and pay later, preserving vehicle longevity while managing your budget.
• To confirm availability and book a window that fits your schedule, schedule appointment online today and check current service specials.

How much does a check engine light diagnostic cost for a 2016 BMW 5 Series 528i?

• Diagnostic pricing can vary by region and condition, but at Nalley BMW of Decatur our diagnostics are competitively priced and often cost less than independent shops while delivering factory-level expertise.
• Choosing dealership diagnostics provides immediate and long-term savings: accurate troubleshooting avoids unnecessary part replacement and helps prevent cascading failures that increase repair costs.
• If a covered repair is required, having diagnostics and repairs performed at our certified dealership ensures warranty integrity and access to OEM parts and service records.
• Ask our service advisors about payment options and service financing to get repairs started today without delay.
• Ready to check your light? Schedule service or view our latest service specials before you arrive.

What is the most common reason for check engine light on a 2016 BMW 5 Series 528i?

• Common causes include faulty oxygen sensors, loose gas caps, mass airflow sensor issues, misfires, or turbocharger-related faults on turbocharged engines — any of which can trigger a code on your 2016 BMW 5 Series 528i.
• Nalley BMW of Decatur technicians diagnose root causes with OEM equipment to avoid guesswork and unnecessary parts replacement.
• Fixing the real issue promptly restores performance, fuel economy (23 city / 34 highway MPG for this model), and reduces emissions — saving you money over time.
• We’ll explain repair necessity, warranty implications, and available discounts so you can make an informed choice.
• Book a convenient appointment via our online scheduler to get accurate diagnosis and transparent repair options.

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

• Start with simple items: confirm the gas cap is tight — a loose cap is an easy fix and common cause of codes on many vehicles including the 2016 BMW 5 Series 528i.
• If the light persists, bring your vehicle to Nalley BMW of Decatur for a full scan so we can read the exact code and recommend precise action.
• Our technicians will outline whether immediate repair is required, what parts are OEM, and how warranty coverage applies.
• We offer service financing and transparent estimates so you can address issues now and avoid greater expense later.
• To get started, please schedule service or view current service specials before your visit.