EURORELIC

17 11 7 639 021 –Radiator cap – M3 (S65) [prod. Jan '14 -]

Available newchecked 2026-10-08source: bmwpartsdeal.commarket: US (EU: not checked)

BMW part number 17 11 7 639 021 (17117639021) is the Radiator cap – M3 (S65) [prod. Jan '14 -], a cooling part catalogued for the E70 (X5 3.0si, X5 4.8i, X5 M), E90 (M3), E92 (M3), E93 (M3). As of our last check (2026-10-08, bmwpartsdeal.com), it is still available new from BMW. Also catalogued as 17137516004. Interchange records list it on E71, E72, E60, E61, F80, F82 as well.

  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 23 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.

View 17117639021 at bmwpartsdeal.comCross-reference 17117639021 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 17117639021 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

17137516004→17117639021

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

Used & NOS listings

Cross-model interchange (83)

Listed directly for E70 and E90 and E92 and E93 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.

E60
520i M54523i N52523Li N52525i M54525i N52525Li N52
E61
523i N52525i M54525i N52525xi N52530i N52530xi N52
F10
523i N52N528i N52N530i N52N535i N55535iX N55550i N63
E63
630i N52645Ci N62650i N62NM6 S85630i N52N630i N53
E64
630i N52645Ci N62650i N62NM6 S85630i N52N630i N53
F01
730i N52N740i N54750i N63750iX N63760i N74ALPINA B7 N63
F02
730Li N52N740Li N54750Li N63750LiX N63760Li N74ALPINA B7L N63
E71
X6 35iX N54X6 35iX N55X6 40iX N55X6 50iX N63X6 M S63
F11
523i N52N530i N52N535i N55535iX N55550i N63
G12
750i N63R750iX N63R750Li N63R750LiX 4.0 N63R750LiX 4.4 N63R
F07
535i N55535iX N55550i N63550iX N63
F18
523Li N52N528Li N52N535Li N55
F12
640i N55650i N63650iX N63
F13
640i N55650i N63650iX N63
F82
M4 S55M4 GTS S55
F03
750LiS N63760LiS N74
F04
Hybrid 7 N63Hybrid 7L N63
G11
750i N63R750iX N63R
E72
Hybrid X6 N63
F80
M3 S55
F83
M4 S55
F85
X5 M S63R
F86
X6 M S63R

+46 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 $23.00 on bmwpartsdeal.