BMW S488A — Lumbar support
Adjustable lumbar support for the front seats.
Quick answer
S488A is BMW's factory option code for lumbar support. Adjustable lumbar support for the front seats.
Should you care about Lumbar support?
A genuine comfort plus for long motorway drives. The pneumatic bladders can slowly leak on older cars, so test that the support holds.
How to tell if a BMW has S488A
- Look for
S488Aor just488on 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 S488A mean?
Adjustable lumbar support for the front seats. It sits in the seats group of BMW's factory options.
Is Lumbar support worth having on a used BMW?
A genuine comfort plus for long motorway drives. The pneumatic bladders can slowly leak on older cars, so test that the support holds.
How do I check if a BMW has S488A?
Look for S488A (or just 488) 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.