This video demonstrates how to retrofit front heated seats to your 1996-2003 BMW E39 5-series sedan or touring/wagon.

Parts Required:

(1) Heated seat retrofit harness: 52110002132: https://tinyurl.com/5er7nsuk
(1) SZM center console switch panel that adds heated seat switches: www.ebay.com

Resources:

Wiring diagram: https://tinyurl.com/44d7m4na
A169 Switching Centre Pinout: https://tinyurl.com/yveht2nx
Forum post (thank you BlkzhpWoG): https://tinyurl.com/4n84pz87

Torques:

Front seat to chassis: 4x T50 bolts, loctite blue, 33lb/ft
Front seat belt to seat: 1x T50 bolt, no loctite, 36lb/ft

E39Source website: http://www.e39source.com

Help support E39Source by donating: http://www.e39source.com/donate