BUILD JOURNAL: SPECIAL SERIES

The fix is in.

The SMG3 was peak something. It got overshadowed by the MDCT and most enthusiasts gave up on it.

I doubled down.

In this Special Series, I chat about what makes the SMG3 the best of its time and atrocious per current standards.

I unbox and cover the design features of the carbon driveshaft and document the install procedures. Lastly, I recorded a few videos to support my driving impressions.

Cheers,
- Matt / @m3_epoustouflant

Read the special series

Spec your driveshaft

YFCM Composites LtD

BNW-E60M5-SMG

E60 M5/6 Carbon Fiber Driveshaft

EuroConnex Exclusive

Made in Taiwan

$2,000.00

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Patented Flange Design

The flange is a self-locking, sealed design: it locks over the carbon tube. It eliminates all probabilities for the tube to spin free of the flange, no matter the torque.

Installation Procedures

The installation of the YFCM carbon driveshaft was relatively straight forward - it has mission-critical information and validation steps.

Tested & Warrantied

1 year replacement warranty

Each driveshaft is individually tested on YFCM's proprietary machine.

They are spun to over 8000rpm as a complete assembly.

M. Lee @ YFCM Composites Technologies

Made in Taiwan

M. Lee is the man behind YFCM Composites Technologies and the patent holder to the signature technological innovations.

He also operates an industrial automation company in Taiwan. He used his knowledge to develop proprietary stress testing equipment specific to automotive carbon tube applications.

YFCM has been the manufacturer all along for the MFactory V2 that was acclaimed by 500+ M3 V8 owners for years.

Read the backstory

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E60 M5 Carbon Driveshaft

It's lighter & stronger than steel.

It doesn't vibrate, at any speeds.

It's made from the highest quality carbon.

It can still flex.

E60 M5/6 Carbon Fiber Driveshaft