Eterna Motorworks

Eterna Motorworks We deliver premium automotive products and services, backed by over a decade of expertise.

Introducing the Carbon Fiber GTR Duckbill Spoiler.Designed for a more understated rear profile, the GTR Duckbill offers ...
09/03/2026

Introducing the Carbon Fiber GTR Duckbill Spoiler.

Designed for a more understated rear profile, the GTR Duckbill offers another option for the G80 M3 GTR Widebody Program alongside the GTR Wing.

Both are available to order, giving owners the option to choose the setup that best fits their build.

Which are you choosing?

GTR Wing or GTR Duckbill?

The G80 M3 GTR Widebody Program is officially available to order, with limited production availability.For G80 M3 owners...
09/02/2026

The G80 M3 GTR Widebody Program is officially available to order, with limited production availability.

For G80 M3 owners interested in the program, send us a DM or visit our website to inquire.

Build Something Different.

The response to GTR 001 has been incredible.We truly appreciate everyone who has shown their support, shared the build, ...
09/01/2026

The response to GTR 001 has been incredible.

We truly appreciate everyone who has shown their support, shared the build, and taken the time to give us their feedback. Seeing the response to what we’ve spent months developing has made this reveal that much more meaningful.

The G80 M3 GTR Widebody Program is officially available to order. For those interested in bringing the GTR program to their own G80 M3, full program details are available through Eterna Motorworks.

GTR 001 represents the work of more than just our team. The support and contributions of our partners played an important role in bringing the first G80 M3 GTR to life, and we’re proud to have each of them represented throughout the build.

GTR 001 Partners:
Eterna Bespoke
Josue J.
Diego
Street Driven Garage
COMPOSITES WORKS
Inozetek USA (Official)
𝙏𝙊𝙔𝙊 𝙏𝙄𝙍𝙀𝙎
Downstar
Goldenwrench Supply Co
Evolution Racewerks
Valvetronic Designs Exhaust Systems
Corbeau Seats USA
Seat X®
ConspitOfficial
The Pro Video
Motorsport Hardware
INVASION Bimmer Events
ARMASPEED Official
TuxMat
Yellow Speed Racing
Stanceparts
oniwraps

GTR 001 is only the beginning.

08/31/2026

Introducing the world’s first G80 M3 GTR Widebody Program.

Developed in-house through Eterna Bespoke, the G80 M3 GTR is a complete widebody transformation of the G80 M3, created with one goal: pushing the limits of what’s possible with the platform.

Months of development, fabrication, test fitting, and revision led us here.

This is GTR 001.

The first vehicle to bring the G80 M3 GTR Widebody Program to life, and the beginning of what’s to come from Eterna Bespoke.

This build would not be what it is today without the support of the incredible partners who helped us bring it together. We’re proud to showcase their products throughout the vehicle, and we look forward to highlighting more from each of our partners as the program continues.

A huge thank you to everyone who believed in the vision and helped us bring it to life.



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The G80 M3 GTR Widebody Program is officially available to order, with limited production availability.

Installation and financing options available.

Explore the complete program at eternamotorworks.com

Tomorrow’s the day! Who’s ready?G80 M3 GTR Widebody ProgramOfficial Reveal • 08.31.26 • 10AM PSTStay tuned.
08/30/2026

Tomorrow’s the day! Who’s ready?

G80 M3 GTR Widebody Program
Official Reveal • 08.31.26 • 10AM PST

Stay tuned.

The details remain hidden. The presence doesn’t.G80 M3 GTR Widebody Program.Official Reveal 08.31.26Stay tuned.
08/29/2026

The details remain hidden. The presence doesn’t.

G80 M3 GTR Widebody Program.
Official Reveal 08.31.26

Stay tuned.

You’ve seen the development. The wait is nearly over.G80 M3 GTR Widebody Program.Official Reveal 08.31.26
08/28/2026

You’ve seen the development. The wait is nearly over.

G80 M3 GTR Widebody Program.
Official Reveal 08.31.26

08/17/2026

There’s no turning back now 🤯

Cutting has officially begun on our G80 M3 as the G80 M3 GTR Widebody Program enters its final stages of development.

08/03/2026

One of the most requested changes for the G80 M3 GTR has been Snake Eyes.

Now that we’ve seen them paired with the CSL Taillights, we honestly think they might be the perfect combination!

Just wait until you see them on the completed G80 M3 GTR 👀

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