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F80 m3 seats into E92 M3

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Hey so i thought I'd share my latest retrofit project. Couple of my mates have f8X m cars after seeing the seats i wondered if they fit the e92. I couldn't find any info or even pictures on google. After acquiring some from a damaged f80 i got to work trying to fit them. 

At first i was pleased to find they bolted directly in:ph34r:. I swapped the connectors from f80-e92. With only 5 wires(power,canbus,lighting). It was easy to swap. The car did not like the f80 seat module at all and quickly rejected it. Because of the can protocol between the chassis. Because the wake up signal was no longer being conveyed after 10sec the seat shut down. 

Luckily the passenger seat was simply a high current switch. All worked as it should except the heated seats. Using the e92 seat module i use it to simply work the heated seats instead of all other seat functions it used too. 

After looks playing around it was looking as though it would not be possible aside from a can emulator that would relay the wake up signal. However this isn't easy. I was running out of ideas. I brought a very cheap pair of seats from a x1 at first for parts but then noticed it used the same style of connectors as the f80 but the car was only a 2010. Part of a total fluke i tested the module out and to my surprise it worked. It was enough to makes the seat stay awake however no heated seats because the x1 seats weren't heated. After that i was stoked and immediately sourced the heated version of the same module which worked perfectly. 

Only last remaining problem is because they were from a 4 door the seats do not release forward which is a problem in a 2 door so ill order the parts and try convert them😂  

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^ nice seats and great work on the mix and match modules!

Yes, you'll need to make them fold and slide forward to get a warrant and tbh, I'm not sure how easy that will be, they often have different frames.

 

Edited by M3AN

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Whoa fancy! 

What does the driver seat weigh? 

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Will see how it go. Can only try so ill just buy one side if it works ill buy the other. I couldnt find anything about conversions even for other models. Didnt actually weigh them lol. If i had to guess id say the f80 seat is lighter 

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The base frames have different part numbers so theres a good chance id need the bases. However ill pull mine apart and see what i can do with mine. Worse case i could ask my mate if i can pull his apart to see the difference 

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If f80 can fit into e90, and e90 can fit e46, then f80 fit e46?

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Im honestly not sure. I have the x1 seats i want to get rid of if you want to use them to test your theory. Ill be pulling all the belt tensioners and electrics off but rest is still intact

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They all "fit" it's just a matter of whether they'll "work". :)

 

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Hi not up with the lastest bimmers so bear with me an F80 is a sedan as an E90 is. The e92 is the coupe model what does that relate to in the f series if any.The reason as you have found is the f80 will not have the mechanism to tilt or raise the seat forward. Can you not use the mechanism from the e92 seats.No doubt every thing is electric which adds another complication to it. As Nick has touched on the f80 and e46 have converted a set of e46 Msport sedan seats to fit a Ti by mixing and matching the parts required although these ended up being manual adjusted. As for weight I believe their was some were around 12.kg odd difference between the electric and manual seat. Best of luck with it can be a pain in the you know were let us know how it all turns out. 

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