I have one for the older BMW's, all in one tool
http://www.bimmernut.com/forum/showthread.php?t=39204

SIR3 digital (20 pin round socket) : US $85.00
This device is for resetting BMW models built from 1987 - 2003 with a 20 pins plug interface; WITHOUT can bus.
The unit resets the following functions:
Airbag / SRS Light, Service Interval, Oil Change Indication,
Works on the following models:
3-series E30, 3-series E36, 3-series E46, 5-series E34, 5-series E39,
7-series E32, 7-series E38, X5, Z3 E53, Z8, Z1

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SHOGUN'S TRICKS AND TIPS FOR THE SEVEN SERIES