EURORELIC

13 63 1 726 591 –Throttle valve switch (4 KOHM)

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

BMW part number 13 63 1 726 591 (13631726591) is the Throttle valve switch (4 KOHM), a fuel part catalogued for the E36 (316i, 316i 1.6, 318i), E34 (518g, 518i, 520i), E32 (730i, 730iL, 740i), E36/7 (Z3 1.8, Z3 1.9, Z3 M3.2), E30 (318is, 318i), E31 (840Ci, 840i). As of our last check (2026-10-08, bmwpartsdeal.com), it has been superseded by 13631721456. Interchange records list it on E39, E38 as well. 2 aftermarket options below.

⚠ Safety-critical part. Have a qualified mechanic verify fitment and installation before driving.
  1. 1 New from BMW
    Order the replacement number 13631721456
  2. 2 Aftermarket new
    2 options (budget)
  3. 3 Used / NOS
    Search live listings on eBay US/DE.
  4. 4 Interchange
    Same BMW number listed on 2 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 13631721456. Order the newer number.

  • 🇺🇸 USSupersededbmwpartsdeal.com
  • 🇪🇺 EuropeSupersededsuccessor 13631721456: Leebmann24 (DE): "1-3 Working Days" €121.21 (our Leebmann24 lookup of 2026-09-28)leebmann24.com
View 13631726591 at bmwpartsdeal.comCross-reference 13631726591 on RealOEMCatalog diagram (bmwfans.info)

Aftermarket options (2)

Budget (2)
Lowest price. Fine for some jobs; quality and service life vary more.
URO Parts 13631721456
Throttle Position Sensor (TPS)
Listed cross-refwhy this tier
View URO Parts 13631721456 at RockAuto · $24.79Search eBay for URO Parts 13631721456 ↗
source checked 2026-09-29
Vemo V20720406
Throttle Position Sensor (TPS) – Plug (Connector): 3 Pins
Listed cross-refwhy this tier
View Vemo V20720406 at RockAuto · $51.79Search eBay for Vemo V20720406 ↗
source checked 2026-09-29

Each option links to the page that lists it as replacing this BMW number (price as listed on the check date). Tiers marked “brand class” are our classification of the brand, not a test of this part. Aftermarket parts are not BMW parts: quality varies and fitment is not guaranteed.

Where to buy

Every link opens 13631726591 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 13631721456 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

13631726591→13631721456

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

Used & NOS listings

Cross-model interchange (12)

Listed directly for E36 and E34 and E32 and E36/7 and E30 and E31 in our data (see Fits). Models below are other listings of the same number.

Via successor numberCatalog match (partial list)shared number 13631721456bmwfans.info

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

E39
520i M52523i M52528i M52535i M62540i M62540iP M62
E38
728i M52728iL M52730i M60730iL M60735i M62735iL M62

+23 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

E34: Successor 13631721456 listed at $147.43 on bmwpartsdeal (InStock). SAFETY-CRITICAL (brakes/steering/fuel): have a qualified mechanic verify fitment and installation. E30: Successor 13631721456 listed at $147.43 on bmwpartsdeal (InStock). SAFETY-CRITICAL (brakes/steering/fuel): have a qualified mechanic verify fitment and installation. E36: Successor 13631721456 listed at $147.43 on bmwpartsdeal (InStock). SAFETY-CRITICAL (brakes/steering/fuel/airbag): have a qualified mechanic verify fitment and installation. E31: Successor 13631721456 listed at $147.43 on bmwpartsdeal (InStock). SAFETY-CRITICAL (brakes/steering/fuel/airbag): have a qualified mechanic verify fitment and installation. E32: Successor 13631721456 listed at $147.43 on bmwpartsdeal (InStock). SAFETY-CRITICAL (brakes/steering/fuel/airbag): have a qualified mechanic verify fitment and installation. E36/7: Successor 13631721456 listed at $147.43 on bmwpartsdeal (InStock). SAFETY-CRITICAL (brakes/steering/fuel/airbag): have a qualified mechanic verify fitment and installation.