Genuine BMW part 12 63 2 243 338: Relay, reverse polarity protection. The number stamped on the part is 12632243338; BMW's catalog files it under the short number 2243338. You will find it on our Electrical shelf, under Other Engine Electrical System parts. BMW has since replaced it with 2243015.
BMW's catalog records no E36 or E46 it is fitted to; it belongs to other BMW models.
BMW draws it on 2 diagrams, among them Relay Motor (12_1514) and Relay Motor (12_1664). It weighs about 32 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.
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.