EURORELIC

11 12 1 435 923 –Valve Seat Ring Exhaust (32,00MM(+0,4))

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

BMW part number 11 12 1 435 923 (11121435923) is the Valve Seat Ring Exhaust (32,00MM(+0,4)), an engine part catalogued for the E46 (323Ci, 323i, 328Ci), E36/7 (Z3 1.9, Z3 2.2i, Z3 2.5), E39 (523i, 523i 2.4, 525i), E38 (728i, 728iL), E60 (525i, 530i), E83 (X3 2.5i, X3 3.0i) and 5 more chassis. As of our last check (2026-10-08, bmwpartsdeal.com), it has been superseded by 11121435924. Interchange records list it on E36 as well.

  1. 1 New from BMW
    Order the replacement number 11121435924
  2. 2 Aftermarket new
    No sourced aftermarket equivalent yet
  3. 3 Used / NOS
    Search live listings on eBay US/DE.
  4. 4 Interchange
    Same BMW number listed on 1 other chassis
  5. 5 Kit / reman
    None recorded yet
  6. 6 Community fix
    No forum workaround recorded yet
  7. 7 DIY guide
    No guide yet
  8. 8 Paid hunt
    We search dealers, breakers and forums for you.

Buy new

Replaced by 11121435924. Order the newer number.

  • 🇺🇸 USSupersededbmwpartsdeal.com
  • 🇪🇺 EuropeSupersededsuccessor 11121435924: Leebmann24 (DE): "3-4 Working Days" €45.48 (our Leebmann24 lookup of 2026-09-28)leebmann24.com
View 11121435923 at bmwpartsdeal.comCross-reference 11121435923 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 11121435923 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 11121435924 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

11121435923→11121435924

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

Used & NOS listings

Cross-model interchange (6)

Listed directly for E46 and E36/7 and E39 and E38 and E60 and E83 and E85 and E53 and E61 and E65 and E66 in our data (see Fits). Models below are other listings of the same number.

Via successor numberCatalog match (partial list)shared number 11121435924bmwfans.info

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

E36
318i M42318i M44318is M42318is M44318ti M42318ti M44

+17 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 (0)

No repair write-up or video linked for this part yet.

Notes & sources

Successor 11121435924 listed at $59.80 on bmwpartsdeal (InStock).