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Tech Article

BMW E30 3-Series Power Antenna

Last Updated: 09/16/2017
Parts Group: Electric antenna

This article discusses the electric antenna (a.k.a. power antenna -- the automatic antenna as to extending and retracting), for the E30 with the main focus being on technical analysis. If you're not here for the technical analysis but would rather buy a used unit from us, guaranteed to work and fit, then please select the link below:The information herein is based on my own cars.

BMW didn't make this part. It bought it from a vendor named Hirschmann. The general series is Auta 6000EL.

The BMW E30 3-series uses model 364 (or to be precise, F364SW), which has a mostly-symmetrical brass triangle attached to the bottom of the unit, to serve as a mount. It has two ground cables: a black wire, and a strap attached to an eye in the base of the antenna. The BMW part number is stamped into the plastic body and is 1381333.

Other BMW models of that same time-frame, other than the E30 3-series, use model 362, which has an asymmetrical brass triangle attached to one side at the bottom of the unit, to serve as a mount and also as ground, with a black ground cable and no eye in the base of the antenna. The BMW part number was not stamped into the plastic of the unit we tested.

To test the retraction functionality, we applied positive 12V to the red cable connection, and negative to the black ground cable. To test the extension functionality, we applied positive 12V to the both the red cable connection and the white cable connections, and negative to the black ground cable.

It’s relatively rare to find one of these in good working order.
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