Frequently Asked Questions

What does it mean when the check engine light comes on in a 2022 BMW i4?

• It signals your vehicle’s onboard diagnostics has detected an issue — anything from a low 12V battery, charging-system alert, to traction battery sensor or inverter warnings specific to the 2022 BMW i4.
• At Nalley BMW of Decatur we diagnose with factory tools and give a clear estimate; our approach often costs less than independent shops while delivering factory-trained technicians and OEM parts.
• Immediate diagnosis can prevent more expensive repairs later; addressing faults early saves you money now and preserves vehicle longevity and resale value.
• Repairs covered under warranty must be performed at a certified dealership to remain valid — we honor BMW warranties and document work accordingly.
• To get prioritized attention, schedule service online and review current service specials for savings.

How long does a check engine light service take?

• Most diagnostics are completed the same day; an initial scan and report typically take 30–90 minutes depending on the issue complexity for a 2022 BMW i4.
• If repairs are required, our service advisors explain options, timelines, and costs so you can decide — many common fixes such as 12V battery replacement or sensor swaps are completed quickly.
• Choosing Nalley BMW of Decatur provides speed plus accountability: certified techs, OEM parts, and documented repairs that protect warranty coverage.
• We offer service financing so you can get service now and pay later, and our advisors will review available service specials to lower your out-of-pocket cost.
• Book a convenient slot any time — schedule appointment online.

How much does a check engine light diagnostic cost for a 2022 BMW i4?

• Diagnostic pricing varies by location and issue, but Nalley BMW of Decatur provides transparent estimates and competitive rates; we often cost less than independent shops while offering factory-grade tools and expertise.
• Immediate and long-term savings come from accurate diagnosis and OEM repairs that avoid repeat visits and protect your vehicle’s systems and resale value.
• If warranty applies, repairs must be performed at a certified dealership to maintain coverage — we’ll confirm eligibility before work begins.
• Check our current service specials and consider service financing to spread payments while preserving your BMW’s health.

What is the most common reason for check engine light on a 2022 BMW i4?

• Common triggers for the 2022 BMW i4 include 12V battery issues, charging system faults, battery management system (BMS) warnings, and sensor or inverter alerts specific to electric drivetrains.
• Nalley BMW of Decatur’s certified technicians isolate root causes using BMW diagnostic software to prevent unnecessary parts replacement and reduce long-term costs.
• Because we use OEM parts and documented repairs, you get better reliability and warranty protection compared to non-certified alternatives.
• To keep your i4 performing at peak efficiency, schedule service and review eligible service specials before you visit.

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

• Start with a dedicated diagnostic scan — avoid guessing. A quick scan at Nalley BMW of Decatur identifies stored codes and recommended next steps for your 2022 BMW i4.
• If you notice reduced performance, charging problems, or warning messages, bring the vehicle in immediately to prevent escalation.
• We emphasize transparency: clear estimates, OEM parts, and repairs that protect warranty coverage; repairs covered under warranty must be completed at a certified dealership.
• Use our online tools to schedule appointment, check inventory such as used or new vehicles, and explore trade options at sell your car online.