EURORELIC

31 22 1 139 345 –Wheel hub, front, asymmetric (D=83MM)

Supersededchecked 2026-10-08source: bmwpartsdeal.commarket: US+EU

BMW part number 31 22 1 139 345 (31221139345) is the Wheel hub, front, asymmetric (D=83MM), a suspension part catalogued for the E34 (518g, 518i, 520i), E32 (730i, 730iL, 735i), E31 (840Ci, 840i, 850Ci). As of our last check (2026-10-08, bmwpartsdeal.com), it has been superseded by 31221139348. 1 repair guide below.

  1. 1 New from BMW
    Order the replacement number 31221139348
  2. 2 Aftermarket new
    No sourced aftermarket equivalent yet
  3. 3 Used / NOS
    Search live listings on eBay US/DE.
  4. 4 Interchange
    No cross-model match in our data
  5. 5 Kit / reman
    None recorded yet
  6. 6 Community fix
    No forum workaround recorded yet
  7. 7 DIY guide
    1 repair how-to linked (forum, article, video)
  8. 8 Paid hunt
    We search dealers, breakers and forums for you.

Buy new

Replaced by 31221139348. Order the newer number.

  • 🇺🇸 USSupersededbmwpartsdeal.com
  • 🇪🇺 EuropeSupersededsuccessor 31221139348: Leebmann24 (DE): "3-4 Working Days" €237.43 (our Leebmann24 lookup of 2026-09-28)leebmann24.com
View 31221139345 at bmwpartsdeal.comCross-reference 31221139345 on RealOEMCatalog diagram (bmwfans.info)

Aftermarket options (0)

No sourced aftermarket equivalent recorded yet. We only list brand numbers that a brand catalog or vendor page explicitly cross-references to this BMW number.

Where to buy

Every link opens 31221139345 at that seller: “View” = the part’s own page, “Look up” = the seller’s part-number page, “Search” = the seller’s search pre-filled with the number (successor 31221139348 where shown). You can order from either region.

United States

Europe (DE · UK · DK)

“Ships internationally” is shown only where we read it on the vendor’s own shipping page (checked 2026-09-28); otherwise check with the vendor. Import duties and taxes are the buyer’s responsibility. Amazon links carry our Associates tag, so we may earn a commission; other seller links are not affiliate links today.

Supersession chain

31221139345→31221139348

Older numbers on the left, newest on the right. Numbers without a record open a lookup.

Used & NOS listings

Cross-model interchange (0)

Listed directly for E34 and E32 and E31 in our data (see Fits). Models below are other listings of the same number.

Via successor numberCatalog match (partial list)shared number 31221139348bmwfans.info

Same BMW part number, but the source list is truncated or market-specific. More models may apply.

+12 more models not listed by the source.

Community fixes (0)

No forum workaround recorded yet. If you know a thread, the hunt team wants to hear about it.

Kits, reman & retrofits (0)

No kit or reman service recorded yet.

DIY

No DIY route recorded yet.

Repair guides & how-tos (1)

Write-ups and videos from owners, forums and specialists on removing and fitting this part. Summaries are ours; follow the link for the full steps, photos and torque values, and credit goes to the original author.

ArticleShiftBMWDifficulty: Mediumwritten for E31 / E32 / E34

Front Wheel Bearing ↗

Diagnosing and replacing a worn front wheel bearing. The bearing runs inside the hub, so the whole hub is replaced. Check which of the two hub types you have (it depends on where the rotor locating screw sits) or the brake rotor may not fit. The article also compares dealer and SKF aftermarket pricing.

Tools mentioned: Sockets, hub nut socket, hammer and drift, torque wrench

Article applies to all E31, E32 and E34 models.

shiftbmw.com· link checked 2026-10-08

Notes & sources

Successor 31221139348 listed at $297.02 on bmwpartsdeal (InStock).