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F Chassis N55/B58 Differential Brace

Reduce wheel hop, extend the life of your input bearing, and add stability to your chassis with the Turner F Chassis Diff Brace!
10X Entries For Our 25th Anniversary Sweepstakes!
Turner Motorsport
Mfg Part #
047282LA04KT 047282LA04KT
ECS Part #
ES#4659603
Brand
Turner Motorsport

SALE: 266.04 (15% OFF)
WAS: $312.99 on 06-13-2026

This product was last offered at the strikethrough price on
06-13-2026


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Product Details

10X Entries For Our 25th Anniversary Sweepstakes!

The N55 and B58 are the new generation powerplant, if you want to put the power to the pavement the factory bushings and reinforcement just wont cut it. With soo many performance parts available for the N55 and B58 for F chassis, it is very easy to make power but keeping the car under control can be another story. Turner created a solution to help put that power to the ground, the result is a simple yet astounding improvement to the performance of your vehicle. The rear diff brace helps put power down by reducing wheel hop and preventing losses during power transfer. With the added rigidity the rear end feels tighter for high speed applications and will extend the life of your OE bushings.

Soft factory rubber differential bushings absorb vibrations between the chassis and differential, providing comfort and softness for normal driving conditions. As these bushings wear you will experience lackluster performance/response and they will need to be replaced. You can extend the life of these bushings while providing increased chassis stability with the Turner Diff Brace for your F chassis. Add new poly differential bushings for an even better experience (ES4352457)

Note: Drilling is required for installation 

Benefits:

  • Reduce unwanted drivetrain deflection, offering a more enhanced driving experience
  • Reduced wheel hop
  • Extend the life of your bushings
  • Reduced wear on the differential bearing 
  • Increased transfer of power to the pavement
  • Increased high speed stability
  • Engineered by Turner to withstand extreme driveline forces of over 1000 Ft/lbs of torque
  • Provides necessary installation tooling to properly secure brace

PART DESIGN:

  • Designed and engineered in-house using state of the art 3D laser scanning and CAD technology for precision fitment
  • Constructed using aircraft grade 6061-T6 Aluminum, finished in Turner Blue anodization
  • FEA simulations run to maximize stiffness to weight at base engine power and torque levels with plenty of room for growth
  • Corrosion resistant Yellow Zinc-Chromate coated grade 10.9 Fasteners

KIT CONTENTS

  • Turner Blue Anodized Rear Diff Brace
  • Drill guides for precision installation
  • Hardware for installation

INSTALLATION:

  • All installation steps can be found on the Installation tab
  • Requires 10mm + 15mm carbide tip steel drill bits (ES4683887)

PRODUCT DEVELOPMENT

  • Turner F chassis Differential brace was designed, engineered, tested and quality inspected by the Research and Development team at Turner. Nothing but the highest level of precision and quality through leading-edge product development technology including FARO laser scanning for reverse engineering and quality inspection, SolidWorks 3D CAD modeling, rapid prototyping utilizing our in-house 3D printer and rigorous long term product testing.

Cross Reference
  • 33316792513
  • 33316769376
  • 33316880637

This Part Fits the Following Vehicles

Make Model Submodel Engine Special Fitment Notes
BMW F22 M235i xDrive N55 3.0L Use vehicle selector to confirm fitment
BMW F22 M240i xDrive B58 3.0L Use vehicle selector to confirm fitment
BMW F23 M235i xDrive N55 3.0L Use vehicle selector to confirm fitment
BMW F23 M240i xDrive B58 3.0L Use vehicle selector to confirm fitment
BMW F30 335i N55 3.0L For vehicles with automatic transmission only.
BMW F30 340i xDrive B58 3.0L Use vehicle selector to confirm fitment
BMW F32 435i N55 3.0L For vehicles with automatic transmission only.
BMW F32 440i xDrive B58 3.0L Use vehicle selector to confirm fitment
BMW F33 435i N55 3.0L For vehicles with automatic transmission only.
BMW F33 440i xDrive B58 3.0L Use vehicle selector to confirm fitment
*The above product applications have been written by ECS Tuning. All warranties, product application, fitment, and performance are the responsibility of ECS Tuning. For additional information see the terms of use.

Kit Contents

Description Brand Qty Lifetime
Uncoated High-Speed Steel Drill Bit, 10.0 Mm Size, 130 Mm Overall Length Bremmen Parts - Corporate Logo 1 YES
Turner B58 Diff Brace Hardware Pack Turner Motorsport - Corporate Logo 1 YES
F3X B58 Differential Brace Turner Motorsport - Corporate Logo 1 YES

This Product Is Covered By Our Lifetime Replacement Program

Products protected by our Lifetime Replacement Program are covered for as long as you own the product, no need to worry about an expiration date. Purchase your products and enjoy some worry-free motoring, knowing we've got you covered.

If you have any questions, would like to learn more or are ready to place a replacement claim, click here!

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New/Unused Product Returns

ECS Tuning will accept returns for unused products within 90 days of the ship date for a refund to the original payment method used. The customer is responsible for the return shipping costs and fees. If selecting to use a prepaid shipping label, the shipping cost will be deducted from the total refunded amount. All new/unused products must be new, unused and must be in the original packaging, including labeling, manuals, hardware, etc. Special order parts are non-refundable.

In the event that we find an error on our website or on behalf of an ECS Tuning Representative, we will provide a return shipping label from the original delivery location.

Refused Packages

Any domestic orders that are returned to ECS Tuning as refused by receiver or non-deliverable will be subject to a return handling fee and will be processed as a return in compliance with our standard return policy, including a 15% restocking fee.

Any international orders that are refused at the time of delivery will be subject to carrier abandonment of the package, at which time the ordered products would be discarded by the carrier. The customer will not be refunded for the value of the order and the discarded products are no longer retrievable.

Return Process

Return Process

ECS Tuning now offers an online returns solution! To get started, simply log into your ECS Tuning account, Click the "View Orders" button on the My Account home page and select the order that you wish to make a return on to begin. If you have any questions, feel free to reach out to our Customer Service Team for assistance!

Please note: Refunds will be processed to the original payment method used on the order or to an in store credit, respective to the type of return that is made as well as any pre-existing arrangements with an ECS Tuning Customer Service Representative. In the event that multiple forms of payment were used, we will refund the value to an in store credit. In the event that a return label is provided, these charges may be deducted from the total refund you receive.

Original shipping costs are non-refundable and the buyer is responsible for return shipping charges. ECS Tuning will not accept COD deliveries.


All in store credit balances will expire after one year from the original purchase date.

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Shipping Policy

Free Shipping On Orders $49 & Up

Items marked with a 'Free Shipping On Orders $49 and Up' logo may qualify for free standard economy ground shipping to the contiguous United States (48 states) for most orders with a value greater or equal to $49.00 USD. Oversized products and direct ship products are excluded from this offer unless otherwise noted.

Free Shipping

Items marked as 'Free Shipping' may qualify for free standard economy ground shipping to the contiguous United States (48 states). Oversized products and direct ship products are excluded from this offer unless otherwise noted.


The policies listed above are subject to change at any time without notice.

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Lifetime Replacement

Want to know more about our Lifetime Replacement program?

Click here to learn more.

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Why You Should Shop From ECS Tuning

ECS Tuning stands out as more than an automotive parts supplier-it's a vibrant community fueled by a shared passion for cars. Born from the enthusiasm of car lovers, we offer an unmatched understanding and commitment to the automotive world, providing high-quality parts and accessories sourced from our own experiences. Our selection is meticulously crafted to meet the highest standards of performance, quality, and design, catering to both the latest trends and classic styles.


Our distinct advantage lies in our passionate team and comprehensive support, offering expert advice and seamless service from selection to installation. Shopping with ECS brings exclusive perks, including our Lifetime Replacement Guarantee and free shipping on orders over $49, enhancing the value of every purchase. As a central hub for car enthusiasts, ECS Tuning fosters a rich community where ideas and experiences flourish, transforming us from a mere supplier into a platform where automotive dreams come to life.

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Cancellation Policy

At ECS Tuning, we understand that plans can change. That's why we offer a flexible cancellation policy for our customers. You may cancel your order at any time before you receive the shipment confirmation. This policy is designed to provide you with peace of mind and the flexibility to make adjustments to your purchases as needed. Should you decide to cancel your order, simply reach out to our customer service team, and we will assist you with the process swiftly and efficiently.

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