EURORELIC

12 62 1 710 512 –Engine coolant temp sensor

Supersededchecked 2026-09-28source: bmwpartsdeal.commarket: US+EU

BMW part number 12 62 1 710 512 (12621710512) is the Engine coolant temp sensor, a cooling part catalogued for the E30 (316i, 318i, 318is), E28 (520i, 525e, 528e). As of our last check (2026-09-28, bmwpartsdeal.com), it has been superseded by 12621710511. Interchange records list it on E34 as well. 4 aftermarket options below.

  1. 1 New from BMW
    Order the replacement number 12621710511
  2. 2 Aftermarket new
    4 options (quality, budget)
  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

Replaced by 12621710511. Order the newer number.

View 12621710512 at bmwpartsdeal.comCross-reference 12621710512 on RealOEMCatalog diagram (bmwfans.info)

Aftermarket options (4)

OE-equivalent / quality (2)
Established aftermarket brands built to the original design.
Hella 009107211
Temperature Sender / Sensor – 1-Pin Connector; Bolted
Listed cross-refwhy this tier
View Hella 009107211 at RockAuto · $9.65Search eBay for Hella 009107211 ↗
source checked 2026-09-29
Meyle 3148210004
BMW Engine Coolant Temperature Sender - Meyle 12621710511
Listed for successorlists 12621710511why this tier
View Meyle 3148210004 at FCP Euro · $14.99Search eBay for Meyle 3148210004 ↗
source checked 2026-10-01
Budget (2)
Lowest price. Fine for some jobs; quality and service life vary more.
Beck/Arnley 2011386
Temperature Sender / Sensor – Switch
Listed cross-refwhy this tier
View Beck/Arnley 2011386 at RockAuto · $7.24Search eBay for Beck/Arnley 2011386 ↗
source checked 2026-09-29
Vemo V20720442
Temperature Sender / Sensor – Plug (Connector): 1 Pin; Thread Size: M14 X 1.5; Includes Seal
Listed cross-refwhy this tier
View Vemo V20720442 at RockAuto · $11.81Search eBay for Vemo V20720442 ↗
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 12621710512 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 12621710511 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

12621710512→12621710511

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 E30 and E28 in our data (see Fits). Models below are other listings of the same number.

Via successor numberCatalog match (partial list)shared number 12621710511bmwfans.info

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

E34
518g M43518i M40518i M43520i M20520i M50525td M51

+8 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

Successor 12621710511 listed at $45.96 on bmwpartsdeal (InStock).