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Series

Testimonial - F21 M140i - B-Series Sport Suspension - Mr Ellison

Date: 16/05/19

Kevin,
Testimonial - F22 M240i - B2 Dynamics Package - Mr Stuart

Date: 16/05/19

Kevin,

Only an initial review after a quick 30 minute hack but really, really pleased, transformation gets used a lot but in this case, deserved. Car is far more settled, not upset by variable road surface...
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...
Video - B2 Dynamics Package - F22 M235i - Mr Hallin

Hi James,

Video has been released on 'JayEmm on Cars' channel. I thought over the best person for it that would give off a mature view. Since the car has been to you i have also added the M3/M4 LCA and TS also powerflex rear...
Testimonial - F31 335dx - Complete Conversion - Mr Rush

Date: 30/3/19

Hi Kevin
Testimonial - E90 330d - B-Series Sport Suspension - Mr Bruerton

Date 08/04/19
Testimonial - F22 M235i - B2 Dynamics Package - Mr Yorke

Date: 03/04/2019

Kevin,

Just to say a big thank you to you & the team for sorting out my 235.

The B2 conversion & LSD make an enormous difference to the car - the handling is now superb, as is the balance & even...
Testimonial - Mercedes 171 SLK 350 - Quaife LSD - Mr Arvanitakis

Date: 23/03/2019

Dear James

Job completed with amazing results! The car has been transformed in all aspects regarding its power handling! Everything was perfectly done.

Just to know, as we were talking for part numbers, the...
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...
Testimonial - Mercedes 170 SLK200 - Quaife LSD - Marino N.

Date: 19/03/19

Hi guys,

it is a few days I have installed the quaife on my slk and I write you to tell it is like I have another car, the traction is superlative, I can just put my...