BMW S337A — M Sport package
The M Sport trim: sportier bumpers, M badging, sports seats, firmer suspension and larger alloy wheels.
Quick answer
S337A is BMW's factory option code for m sport package. The M Sport trim: sportier bumpers, M badging, sports seats, firmer suspension and larger alloy wheels.
Should you care about M Sport package?
Adds real resale value over SE and Sport trims and is the most sought-after non-M spec. Check the lowered suspension has not been abused and that the larger alloys are not kerbed or corroded.
How to tell if a BMW has S337A
- Look for
S337Aor just337on 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 S337A mean?
The M Sport trim: sportier bumpers, M badging, sports seats, firmer suspension and larger alloy wheels. It sits in the packages & trim group of BMW's factory options.
Is M Sport package worth having on a used BMW?
Adds real resale value over SE and Sport trims and is the most sought-after non-M spec. Check the lowered suspension has not been abused and that the larger alloys are not kerbed or corroded.
How do I check if a BMW has S337A?
Look for S337A (or just 337) 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.