Description

VTT Carbon Fiber Driveshaft for BMW Applications

Why overpay for a carbon fiber BMW driveshaft?

VTT is proud to offer a premium carbon fiber driveshaft manufactured exclusively for VTT in the USA by GCDS (Gulf Coast Driveshaft) — one of the premier driveshaft manufacturers in the country with extensive experience in high-performance and drag racing applications.

Each driveshaft is constructed using 3.31″ carbon fiber tubing, paired with NEAPCO Performance 1350 series U-joints, then bonded using a proprietary high-strength process and precision balanced to within 1/8 in-oz as a complete assembly.

Every shaft is torque tested in-house prior to shipping to ensure proper bonding and structural integrity. GCDS and VTT are among the few manufacturers that perform full torque testing on each shaft before it leaves the facility.

To complete the system, the driveshaft is paired with VTT-designed 7075 aluminum adapters, eliminating the factory guibos and unnecessary flex points. The shaft connects directly to the BMW 3-bolt front flange, while a VTT 4340 rear adapter replaces the factory slip-in / screw-retained shaft design for improved strength and reliability.

Proudly Made in the USA.

What’s Included

Each kit includes:

• (1) VTT / GCDS Carbon Fiber Driveshaft with integrated VTT 7075 adapters

• (1) VTT 4340 Rear Differential Adapter

• (1) VTT Billet Adapter Installation Tool

• (1) BMW Nut Repair Kit

• (6) M8 Rear CV Joint Bolts (E9X / E46 M3 only)

• (3) M10 Rear Flange Bolts

• (3) M10 Front Flange Bolts

• (1) Tube of Medium-Strength Threadlocker

Weights vary depending on vehicle application and shaft length.

Approximate Weight

Applications include:

• F3X AWD

• G8X AWD

• G2X / G3X AWD

• X3M / X4M

Average weight: ~15.7 lbs

Features & Engineering Highlights

GCDS utilizes industry-leading manufacturing processes to produce a driveshaft built to extremely high standards of performance, durability, and reliability:

• Carbon fiber shaft bonded to exclusive-design 7075 forged aluminum tube yokes

• Bi-directional torque tested to 3,000 ft-lbs

• Each shaft torque tested in-house prior to shipment

• Computer balanced to less than 1/8 oz/in as a complete assembly

• Carbon fiber layup utilizes multiple wind angles to maximize torsional strength while reducing driveline shock

• Designed to handle extreme power levels while significantly reducing rotational mass

SFI Certification

These carbon fiber driveshafts can be SFI certified.

If your application requires SFI certification, it must be requested at the time of order.

Important Installation & Use Notice

These driveshafts are balanced as a complete assembly and should not introduce vibration when proper pinion angle and installation procedures are followed.

However, this upgrade replaces all factory guibos with solid aluminum adapters, which can introduce drivetrain vibrations at certain RPM ranges — most commonly during deceleration. This is normal behavior and may vary from mild to more noticeable depending on overall drivetrain condition and alignment.

Installation Notes

• All supplied bolts must be installed using medium-strength threadlocker (included)

• These driveshafts are larger in diameter than the factory shaft

• Clearance must be verified after installation

VTT cannot be responsible for damage resulting from insufficient clearance or improper installation.