EURORELIC

13 63 1 721 456 –Throttle valve switch (4 KOHM)

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

BMW part number 13 63 1 721 456 (13631721456) is the Throttle valve switch (4 KOHM), a fuel part catalogued for the E38 (730i, 730iL, 740i), E39 (520i, 523i, 535i), E36/7 (Z3 1.8, Z3 1.9, Z3 M3.2). As of our last check (2026-10-08, bmwpartsdeal.com), it is still available new from BMW. Also catalogued as 13631726591. Interchange records list it on E36 as well.

⚠ Safety-critical part. Have a qualified mechanic verify fitment and installation before driving.
  1. 1 New from BMW
    Listed as orderable new by the status source.
  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

Listed as orderable new at bmwpartsdeal.com when checked.

  • 🇺🇸 USAvailable newbmwpartsdeal.com
  • 🇪🇺 EuropeAvailable newLeebmann24 (DE): "1-3 Working Days" €121.21 (our Leebmann24 lookup of 2026-09-28)leebmann24.com
View 13631721456 at bmwpartsdeal.comCross-reference 13631721456 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 13631721456 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. 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

13631726591→13631721456

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 E38 and E39 and E36/7 in our data (see Fits). Models below are other listings of the same number.

Same part numberCatalog match (partial list)bmwfans.info

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

E36
316g M43316i M43316i M40316i 1.6 M43318i M43318i M42

+20 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

Listed $147.43 on bmwpartsdeal. SAFETY-CRITICAL (brakes/steering/fuel/airbag): have a qualified mechanic verify fitment and installation.