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FREE SHIPPING on US orders over $75 (oversize excepted) • Quality used E36 & E46 parts • Every part inspected & graded
3 Series Parts

Adapter lead, additional heater

BMW Part Number:12 51 7 790 686
12517790686short number 7790686
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Fits E46 — 330Cd, 330d, 330xd
Select your vehicle to check fitment

Genuine BMW Part

Photos coming soon — see the BMW diagram below

Adapter lead, additional heater – BMW diagram01 View BMW DiagramSee this part on the official exploded view

Genuine BMW part 12 51 7 790 686: Adapter lead, additional heater. The number stamped on the part is 12517790686; BMW's catalog files it under the short number 7790686. You will find it on our Electrical shelf, under Engine wiring harness.

It fits the E46 sedan, coupe, convertible and touring (330d, 2003–2005), with the M57N engine.

BMW draws it on the Various wiring harnesses (12_1105) diagram. It weighs about 39 g (under 0.1 lb).

We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.

Details

BMW Part Number12 51 7 790 686
Also written as125177906867790686
QualityGenuine BMW · OEM

Every used part is inspected and graded before listing. Condition grades:

  • Good — minimal wear, fully functional.
  • Fair — normal wear, fully functional.
  • Acceptable — visible wear, still functional.

Returns: 30 days if a part arrives damaged or isn't what the listing described. Full policy.

Shipping: Ships within the US. Orders ship within 1–2 business days; small parcels ship free on orders of $75.00 or more. Oversize items ship at a flat $49.99 each — free shipping does not cover them.