BMW S540A — Cruise control
Standard (non-adaptive) cruise control.
Quick answer
S540A is BMW's factory option code for cruise control. Standard (non-adaptive) cruise control.
Should you care about Cruise control?
Basic but genuinely useful on a motorway car. Confirm it engages and holds speed on the test drive.
How to tell if a BMW has S540A
- Look for
S540Aor just540on the original build sheet or window sticker. - Check the options list in the AutoTrader, eBay or dealer listing.
- Decode it from the VIN with our free BMW VIN decoder, then confirm the fitted codes in a full report.
- Where relevant, verify it physically on the car during the viewing, as described above.
Bimmer.AI is designed to help you identify BMW-specific buyer risks before you travel, negotiate, or pay for an inspection. It does not replace a physical inspection by a qualified mechanic, a legal vehicle-history check (e.g. HPI Check), or independent verification of finance, stolen, or write-off status. Repair-cost ranges are indicative UK figures that vary by region, specialist, parts supply, and labour rates.
Decode this car's full factory spec
Bimmer.AI takes the VIN and option codes and returns the decoded equipment list alongside the MOT history, known faults and a buyer verdict.
Run a Bimmer.AI report →Frequently asked questions
What does BMW option code S540A mean?
Standard (non-adaptive) cruise control. It sits in the driver assistance group of BMW's factory options.
Is Cruise control worth having on a used BMW?
Basic but genuinely useful on a motorway car. Confirm it engages and holds speed on the test drive.
How do I check if a BMW has S540A?
Look for S540A (or just 540) on the car's build sheet or in the listing's options, or decode it from the VIN. You can enter the VIN and option codes into a Bimmer.AI report to see the full decoded factory spec alongside the MOT history and known faults.