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Your Vehicle BMW F30 335i xDrive N55 3.0L

B8/C7 Center Differential And Axle Plug Delete Kit

A 100% reversible Quattro to RWD kit.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Please make sure via VIN that your Center Diff part number is 0B2 409 755 L
ECS
Mfg Part #
012535LAKT
ECS Part #
ES#4508908
Brand
ECS

SALE: 455.98 (20% OFF)
WAS: $569.98 on 06-13-2026

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


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This product is lifetime replacement eligible Lifetime Replacement
This product is backed by our
Lifetime Replacement Program! Read more here
Availability:
On Order
Est. Ship Date:
on Sep 14, 2026
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Product Details

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Please make sure via VIN that your Center Diff part number is 0B2 409 755 L

Have you ever wanted a RWD Audi but didnt't want to weld your center diff or destroy good axles? Well our mad scientist in-house engineers designed a 100% reversible RWD kit!!  We have only test fit on our development B8 S4 Manual with 0B2 409 755 L center differential. A part number cross reference shows our Center Diff Delete will fit Manual & DSG B8 S4 / S5 3.0T as well a Manual B8 A4 2.0T. 

Check out our kit in action!

KIT CONTENTS

  • Center Diff Delete 

  • 2 Axle Delete Plugs 

CENTER DIFF DELETE PART DESIGN 

  • 4340 hardened steel construction

  • Replicates and replaces splines in factory differential

  • Locks the front and rear center differential outputs to provide 100% power delivery to the rear wheels with the front axles removed

  • Multi piece design with wire EDM cut splines for cost reduction

FRONT AXLE DETETE PLUGS PART DESIGN

  • Billet machined from a solid block of mild steel and then silver zinc plated for corrosion resistance 

  • Retains ABS functionality while under normal driving conditions

  • Fully reversible with no permanent modifications to the front drivetrain

  • Takes place of the outer CV to properly retain the hub in the wheel bearing

  • Tapped holes on back side for wheel bolts to hold the axle delete in place while tightening

  • In-house designed and engineered using FARO ARM laser scanning technology and SolidWorks 3D CAD modeling for precision fitment 

PRODUCT DEVELOPMENT

  • Our ECS Center Diff Delete Plugs were designed using Center Diff 0B2 409 755 L out of the B8 S4 Manual & DSG. For B8 Manual A4 Customers please confirm you have 0B2 409 755 L center diff via your VIN. All products engineered, tested and quality inspected by our Research and Development team in our Wadsworth, Ohio facility. We strive for 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.

 

This Part Fits the Following Vehicles

Make Model Submodel Engine Special Fitment Notes
Audi B8 S4 Quattro 3.0T Use vehicle selector to confirm fitment
Audi B8 S5 Quattro 3.0T Cabriolet Use vehicle selector to confirm fitment
Audi B8 S5 Quattro 3.0T Coupe Use vehicle selector to confirm fitment
Audi C7 S6 Quattro 4.0T Use vehicle selector to confirm fitment
Audi C7 S7 Quattro 4.0T 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.

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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Return and Exchanges

Need to set up a return? Click here to begin: Return Process

All you need is your order number and email address.


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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ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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