Upgrade your BMW’s driveline with this precision-machined billet aluminum adapter, designed to seamlessly connect your transmission to a high-performance, single-piece driveshaft 1350 yoke. Say goodbye to the problematic guibo and 2-piece driveshafts and enhance your vehicle’s durability and performance with a stronger and lighter driveline. Crafted from high-quality 6061 aluminum and engineered to exacting tolerances, this adapter ensures a vibration-free experience and optimized driveline balance.

Compatible with manual, automatic, and DCT models, it’s the perfect solution for BMW owners looking to reduce rotational mass and improve overall performance. Weighing only 12.6 ounces, it’s dynamically balanced with advanced software for a smoother, more efficient operation.

Key Features:

• Precision Tapered Bolt Hole Flanges: Ensures a snug fit into the output flange, reducing stress on bolts for increased reliability.
• Stress-Relieving Design: Minimizes load on the bolts to enhance longevity and performance.
• All Hardware Included: Comes with high-quality hardware for easy installation.
• Yoke Compatibility: Works seamlessly with SPICER #3-2-119 and equivalent yokes.

Fitment Options:

• Small (105mm Bolt Circle, 12mm Bolts): Designed for 135i/335i transmissions (N54/N55), B58-based 8HP transmissions, and more. Diesel versions may require the larger size.
• Large (110mm Bolt Circle, 12mm Bolts): Suitable for high-performance transmissions like those found in the E9x M3, F8x M2/M3/M4, and most diesel transmissions. 
• Xi (105mm Bolt Circle, 10mm Bolts): Compatible with E9X 3-series and E6X 5-series equipped with Xi transmissions or transfer cases.