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Testimonial - Quaife LSD - W216 CL63 AMG - Mr Hohlovs

Hi Matt!

Installed diff last week as planned. And been trying it during last days . Been dry and wet days. And I can say the more I drive it , the more I like it. Especially during wet. This is where...
Testimonial - Birds Complete Conversion - F20 M135i - Mr Elliott

Hi Kevin,
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...
Testimonial - Quaife LSD - F20 M140i - Mr Palmes

Kevin,

Loving the quaife already! It feels so much better, so much more predicable when the back breaks away.

I used drive with the Dynamic Stability Control on the Sport+ setting before, because the car didn’t give me...
Mercedes Quaife ATB Limited-Slip Differential Special Offer June 2018!

We are pleased to announce a new special offer for our ever-popular Quaife ATB Limited-Slip Differentials, applicable to all available Mercedes models, for June and July 2018!

To...
100 Brand New BMW differentials for various E30, E32, E36 and E38 models now available!

Get them before they're gone!

Birds BMW have invested in over 100 brand new rear axle differentials straight from BMW’s warehouse, which are now all available on their newly opened eBay shop. You will find...
Testimonial - B3 Dynamics Package - E92 330i - Mr Robinson

Ian and the team.

Thank you so much for sorting out my car. It's unbelievable the difference to the original m sport setup. Good on the motorway but amazing on a and b roads over the weekend. Thanks once again.

Could you send...
Testimonial - Quaife LSD - F32 440i - Mr Smith

Kevin,

Just a quick note to say that I’m very happy with the mods you made to my 440 today. The gear change has improved immeasurably - shifts are shorter and the feel is much more mechanical. I adapted to the heavier...
Testimonial - B-Series Sport Suspension - F21 M140i - Mr Lamb

Morning Kevin

Just wanted to extend a big thank you to you and your team for transforming my car into something that I now love rather than like. The difference to its handling and ride quality is astonishing. Had a great drive home, but...
Video - Birds M135i Complete Conversion vs BMW M2 - Autocar Magazine

Autocar and Birds have collaborated over the past 6 months on a project car, a BMW F21 M135i, by upgrading many different aspects of the model which are all included in the Birds B1 Complete Conversion package.

...

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