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Alright it's finally put to rest Heated Seat Retrofit. So here goes my DIY with lots of pictures documenting my process, materials/tools used and needed.
Parts Needed:
1. Heat Seat Elements Baffles - I purchased for $100 from a fellow fanatic
2. Heated Seat Accessory Panel with the Heated Seat buttons - I got lucky on this one of ebay (I got the sunglasses console climate control version with the climate control unit, the accessory panel, and ashtray for ~ $80
3. Wiring, Fuses, Butt-Connectors/Quick disconnects, Zip Ties and various OEM BMW specfic connectors/pinouts - Already had so $0 for me!
4. An Upholstry Shop capable of doing car seats, I found one 5 minutes from me and charged me $150 per seat - $300 total
So my total cost was ~ $480
Here are some pictures:
Tools Needed:
Torque Wrench
T-15 Socket
T-40 Socket
T-45 Socket
10MM hex socket
17MM hex socket
Philips Head Screwdriver
FlatHead
Needle Nose Pliers
Crimping Tool
Allright lets get started:
Step 1: Disconnect your battery
Step 2: Remove/Unplug your seats from the car
Step 3: Once the seats are removed, nows the fun part! Dismantling your non-heated seat baffles. It's actually fairly easy start by taking off the backrest portion this is only held on by 2 T-40 bolts you must pull back the leather/leatherette to gain access to them. Once these 2 bolts are removed the backrest will come free with a little bt of strength.
Parts Needed:
1. Heat Seat Elements Baffles - I purchased for $100 from a fellow fanatic
2. Heated Seat Accessory Panel with the Heated Seat buttons - I got lucky on this one of ebay (I got the sunglasses console climate control version with the climate control unit, the accessory panel, and ashtray for ~ $80
3. Wiring, Fuses, Butt-Connectors/Quick disconnects, Zip Ties and various OEM BMW specfic connectors/pinouts - Already had so $0 for me!
4. An Upholstry Shop capable of doing car seats, I found one 5 minutes from me and charged me $150 per seat - $300 total
So my total cost was ~ $480
Here are some pictures:







Tools Needed:
Torque Wrench
T-15 Socket
T-40 Socket
T-45 Socket
10MM hex socket
17MM hex socket
Philips Head Screwdriver
FlatHead
Needle Nose Pliers
Crimping Tool
Allright lets get started:
Step 1: Disconnect your battery
Step 2: Remove/Unplug your seats from the car

Step 3: Once the seats are removed, nows the fun part! Dismantling your non-heated seat baffles. It's actually fairly easy start by taking off the backrest portion this is only held on by 2 T-40 bolts you must pull back the leather/leatherette to gain access to them. Once these 2 bolts are removed the backrest will come free with a little bt of strength.

