EURORELIC

17 11 1 712 835 –Expansion tank (radiator)

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

BMW part number 17 11 1 712 835 (17111712835) is the Expansion tank (radiator), a cooling part catalogued for the E36 (316i, 316i 1.6, 318i), E34 (518g, 518i, 520i), E30 (316i, 318i, 318is), E36/7 (Z3 1.8, Z3 1.9), E39 (520i, 523i, 528i). As of our last check (2026-10-08, bmwpartsdeal.com), it is still available new from BMW. 1 repair guide below.

  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
    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

Listed as orderable new at bmwpartsdeal.com when checked.

  • 🇺🇸 USAvailable newbmwpartsdeal.com
  • 🇪🇺 EuropeAvailable newLeebmann24 (DE): "3-4 Working Days" €114.29 (our Leebmann24 lookup of 2026-09-28)leebmann24.com

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 17111712835 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 (6)

Listed directly for E36 and E34 and E30 and E36/7 and E39 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
318i318is318ti
E30
318i318is

+16 more models not listed by the source.

bmwpartsdeal vehicle fitment (lists cut off after ~10 models)

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.

ArticleFCP EuroDifficulty: Easywritten for E39lists this part number

How To Replace A BMW E39 Coolant Expansion Tank (Six-Cylinder) ↗

Six-cylinder E39 expansion tank swap: drain, unclip hoses and the level sensor, unbolt the tank, transfer the sensor and fit a new cap and bleeder. Only hand tools and jack stands needed.

Tools mentioned: Screwdrivers, drain pan, jack and stands

Level switch 61318360876 and cap 17111742231 are in the article's parts list.

by Alex Fiehl · fcpeuro.com· link checked 2026-10-08

Notes & sources

Listed $111.50 on bmwpartsdeal.