EURORELIC

11 51 1 256 545 –Repair kit water pump

NLA newchecked 2026-10-08source: bmwfans.infomarket: ETK flag only (not listed at US dealer; EU not checked)

BMW part number 11 51 1 256 545 (11511256545) is the Repair kit water pump, a cooling part catalogued for the E3 (2.8L, 2500, 2800), E9 (2.5CS, 3.0CS, 3.0CSi). As of our last check (2026-10-08, bmwfans.info), BMW lists it as no longer available new (NLA). 1 repair guide below.

  1. 1 New from BMW
    No longer available new (per source; may be market-specific).
  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

Not available new according to the status source (a US dealer). NLA can be market-specific, so try the other region below.

View 11511256545 at bmwfans.infoCross-reference 11511256545 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 11511256545 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.

Used & NOS listings

Cross-model interchange (0)

Listed directly for E3 and E9 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.

+4 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.

Forum DIYe9coupe.comDifficulty: Hardwritten for E9

Is there even a way to rebuild a waterpump? ↗

Can you rebuild an old BMW-branded M30 water pump? The factory manuals show how to press off the impeller and shaft, but stuck shafts can crack the housing and the bearings and seals are now hard to get. Members conclude a new pump is usually cheaper unless the pump is rare.

Tools mentioned: Hydraulic press, pullers, factory repair manual

by eriknetherlands, mbmw, OCCoupe · e9coupe.com· link checked 2026-10-08

Notes & sources

Not listed on bmwpartsdeal (US); ETK data on bmwfans flags 'Delivery discontinued by the factory'.