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NEW Quaife ATB Limited-Slip Differential - Mercedes w447 Vito & Viano

The popular QUAIFE Automatic Torque-Biasing LSD is now available and in stock for the Mercedes w447 Vito / Viano models!

Once installed, drivers will notice an immediate difference as the Quaife ATB automatically biases...
News - QUAIFE ATB Limited-Slip Differential for BMW E46 M3, E90/92 M3, E60 M5, E63 M6, E85/E86 Z4 M, E82 1M

Date: 17/08/2023

Birds are pleased to announce the release of a brand new QUAIFE ATB Differential specifically designed for the BMW E46 M3, E90/92 M3, E60 M5, E63 M6, E85/E86 Z4 M, and E82 1M models.

The new QUAIFE ATB Differential...
BMW E46 M3 Exchange QUAIFE LSD Differential

Please note that the Exchange Differential option is now unavailable. We now only offer the QUAIFE LSD Conversion Kits for the existing differential.

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NEW BMW Quaife ATB Limited-Slip Differential - G20 & G21 330i, 330ix, 320i, 320d

The popular QUAIFE Automatic Torque-Biasing LSD is now available and in stock for many of the new BMW G20 3 series models, exclusively at Birds.

Once installed, drivers will notice an immediate difference as the Quaife ATB automatically...
New M140i Demonstrator 2020

We bought our M140i because this is the last manual non-M car!

It's to be kept by Birds as a landmark in the history of BMW drivers' cars. It represents the pinnacle of BMW’s endeavours since the 1970s to...
EXPIRED E60 & E61 5 Series Quaife ATB Differential SPECIAL OFFER

E60/E61 5 Series Quaife ATB Limited-Slip Diff SPECIAL OFFER

Birds are currently offering a special discount on our Quaife Automatic Torque-Biasing limited slip-differentials for the BMW E60/E61 5 Series models,...
EXPIRED F30/F31 Alpina D3 Quaife Limited-Slip Differential special offer!

The Quaife ATB limited-slip differential signifcantly improves traction on the standard Alpina D3, and we now have 3 brand new complete Quaife LSD-equipped final drives on offer.
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NEW BMW Quaife ATB Limited-Slip Differential - G30 540i, 540ix

The popular Quaife Automatic Torque-Biasing LSD is now available and in stock for the G30 540i and 540ix models, exclusively at Birds.

Once installed, drivers will notice an immediate difference as the Quaife ATB automatically biases...
NEW BMW Quaife ATB Limited-Slip Differential - F10 535i, 528i, F12 640i, 650i and more!

The popular Quaife Automatic Torque-Biasing LSD is now available and in stock for various F07/10/F11 5 Series and F06/F12 6 Series models, exclusively at Birds.

Once installed, drivers will notice an immediate difference as the Quaife ATB...
NEW Mercedes Quaife ATB Limited-Slip Differential - QDF44B

The popular Quaife Automatic Torque-Biasing LSD is now available and in stock for various Mercedes C and E class models, exclusively at Birds.

Once installed, drivers will notice an immediate difference as the Quaife ATB automatically...

News

E60/E61 5 Series Quaife ATB Limited-Slip Diff SPECIAL OFFER