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Swapping standard with M seats...will the rails fit?

2003 - 2009, roadster, coupe, facelift
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Daaaaan
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Swapping standard with M seats...will the rails fit?

Post by Daaaaan » Mon Oct 15, 2018 7:53 am

Hey guys

I just bought a pair of manual heated M seats for 200 EUR !!! 😁 They will need to be re-trimmed but it's still a great deal...

Only problem if one of the M seats is missing its rail (the one that gets screwed onto the chassis...the seat has the mounting points and everything). Will my standard-seat rails fit the M seats? Or should I hold off on retrimming until I find an M-seat rail?

Thanks!
2008 Z4, 2.0i, white with black roof. Cupholders: check. Proper "313"s: check. Wind-deflector: check.
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kis
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Swapping standard with M seats...will the rails fit?

Post by kis » Mon Oct 15, 2018 3:52 pm

Same rail for all Z4 e85 or e86 seats. You may run into some differences if your electrical? And you're going to manual? Part numbers on realOEM match up tho, so you should be able to swap your existing one over to the new seat without too much trouble :thumbsup:

https://www.realoem.com/bmw/enUS/partxr ... series=E85

Part 52107053948 was found on the following E85 vehicles:

Z4 E85, Z4 2.0i, Roadster, N46, EUR, (BZ11) : Front seat rail
Z4 E85, Z4 2.0i, Roadster, N46, EUR, (BZ12) : Front seat rail
Z4 E85, Z4 2.2i, Roadster, M54, EUR, (BT11) : Front seat rail
Z4 E85, Z4 2.2i, Roadster, M54, EUR, (BT12) : Front seat rail
Z4 E85, Z4 2.5i, Roadster, M54, EUR, (BT31) : Front seat rail
Z4 E85, Z4 2.5i, Roadster, M54, EUR, (BT32) : Front seat rail
Z4 E85, Z4 2.5i, Roadster, M54, USA, (BT33) : Front seat rail
Z4 E85, Z4 2.5i, Roadster, N52, EUR, (BU11) : Front seat rail
Z4 E85, Z4 2.5i, Roadster, N52, EUR, (BU12) : Front seat rail
Z4 E85, Z4 2.5si, Roadster, N52, EUR, (BU31) : Front seat rail
Z4 E85, Z4 2.5si, Roadster, N52, EUR, (BU32) : Front seat rail
Z4 E85, Z4 3.0i, Roadster, M54, EUR, (BT51) : Front seat rail
Z4 E85, Z4 3.0i, Roadster, M54, EUR, (BT52) : Front seat rail
Z4 E85, Z4 3.0i, Roadster, M54, USA, (BT53) : Front seat rail
Z4 E85, Z4 3.0i, Roadster, N52, USA, (BU33) : Front seat rail
Z4 E85, Z4 3.0si, Roadster, N52, EUR, (BU51) : Front seat rail
Z4 E85, Z4 3.0si, Roadster, N52, EUR, (BU52) : Front seat rail
Z4 E85, Z4 3.0si, Roadster, N52, USA, (BU53) : Front seat rail
Z4 E85, Z4 M3.2, Roadster, S54, EUR, (BT91) : Front seat rail
Z4 E85, Z4 M3.2, Roadster, S54, EUR, (BT92) : Front seat rail
Z4 E85, Z4 M3.2, Roadster, S54, USA, (BT93) : Front seat rail
My E85 Z4 3.0i SMG

BMW Family History (past and present):
1 Series - E87
3 Series - E46 Coupe, E46 M3, E90 (x3)
4 Series - F36, F82 M4
5 Series - E34 (x2), E39
7 Series - E32
X5 - E53, E70
X6 - E71

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Daaaaan
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Swapping standard with M seats...will the rails fit?

Post by Daaaaan » Mon Oct 15, 2018 5:41 pm

Thanks a lot!!! Got worried it won't fit...

I'm not downgrading to manual...my current seats are also manual. So i will have the same functions (manual and heated) only on M seats :)
2008 Z4, 2.0i, white with black roof. Cupholders: check. Proper "313"s: check. Wind-deflector: check.
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Daaaaan
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Swapping standard with M seats...will the rails fit?

Post by Daaaaan » Mon Oct 15, 2018 5:43 pm

Went to the shop to see what kind of trims they have available...but they only have 2 types of black leather, and both are rather harsh.

I was hoping to get a softer leather (like nappa...I think BMW sells it under this name?)

No such luck...should I try and find some leather online? Is there a good supplyer somewhere?
2008 Z4, 2.0i, white with black roof. Cupholders: check. Proper "313"s: check. Wind-deflector: check.
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kis
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Swapping standard with M seats...will the rails fit?

Post by kis » Tue Oct 16, 2018 10:16 am

I'd go to another leather upholster? Maybe they'll have more options? If you're paying to have them done, might as well be done right.
Alternatively yes, see if you can source the leather yourself and have the shop trim and fit? No idea about suppliers etc.
My E85 Z4 3.0i SMG

BMW Family History (past and present):
1 Series - E87
3 Series - E46 Coupe, E46 M3, E90 (x3)
4 Series - F36, F82 M4
5 Series - E34 (x2), E39
7 Series - E32
X5 - E53, E70
X6 - E71

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Darkangelv2
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Swapping standard with M seats...will the rails fit?

Post by Darkangelv2 » Tue Oct 16, 2018 11:11 am

Definitely stick to your guns for nappa. It’s far nicer and suits the car.
BMW Z4 2006 2.5SI - 437M Wheels - Strut Brace - H&R ARBs
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3.0si Brake Conversion - Custom Nappa Sport Interior - Z4M Bumper+Bonnet -
BC Racing BR Coilovers - AFE Stage 2

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