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ANNOUNCEMENT - VAC Motorsports now the exclusive importer of BMW Quaife differentials in North America

VAC Motorsports, one of the USA’s leading BMW performance and race car specialists, has now agreed with Birds to become the exclusive importer of BMW Quaife ATB differentials for North America.

VAC Motorsports now stocks all BMW...
NEW Mercedes Quaife ATB Limited-Slip Differential – QDF39B

The popular Quaife ATB LSD is now available and in stock for many of the Mercedes 204 models, including the C180, C200, C280, C300 and many more exclusively at Birds and our authorised...
Video - Birds E92 335i with Quaife limited slip diff - Chris Harris

Watch BBC Top Gear presenter Chris Harris demonstrate the Quaife ATB's capabilities in our E92 335i!

The Quaife ATB Differential provides significantly improved traction and handling for powerful rear-wheel drive BMW and Mercedes cars...
Testimonial - F30 335i - Quaife LSD - Mr Baric

Date: 08/03/2016

Hi James,

Diff is working perfectly and car goes in the corners very smoothly. It is great upgrade of overall performance....
Testimonial - C63 AMG - Quaife LSD - Carlos

Date: 09/02/2016

Hello Kevin,

I just want to tell you that I'm really very happy with the diff performance.

Driving slowly there is no difference...
Editorial - BMWCar 'Just Right' - F22 M235i - Dec 15

This article refers to the Southern BM (our Australian partner) demonstrator M235i.

JUST RIGHT - BMWCar Magazine

It...
Testimonial - F20 M135i - Quaife LSD - Mr Oleksy

Hi James,
Testimonial - E91 325d - B3 Dynamics Pack (Quaife LSD, B3 suspension, B3 Anti-roll bars - Mr Scarlett

24/06/2015

Hi Kevin

I have been meaning to drop you and Ian a note to say many thanks for the work you did on the car.
Editorial - BMWCar 'Real World Performance' - F30 335dx - Oct 15

"This is, without a doubt, the best diesel BMW I've ever driven." - Bob Harper, BMWCar Magazine.

Click the link below to find all Birds performance upgrades and tuning modifications for the BMW F30 335d xdrive, or click on...
Editorial - EVO magazine - F32 435i upgrades and tuning - Sep 2015

"BMW's lacklustre 435i Coupe gets transformed by Birds power, diff and suspension upgrades." - EVO Magazine.

Click the link below to find all Birds performance upgrades and tuning modifications for...

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JUST RIGHT - BMWCar Magazine