BMW

Too right I won't regret it! The Goodyears have completely transformed the car! It's actually drivable now, and then some. Can't believe they ever sold this car on run flats.

As another exciting year at Birds comes to a close, we take a look back at some of our most notable achievements, new product developments, and what's in store for what's sure to be an interesting 2018...

Devising a demonstration

The popular QUAIFE ATB Limited-Slip Differential is now available and in stock for the F20 M140i, F22 M240i, F30 340i and F32 440i, exclusively at BIRDS.

The Quaife ATB Differential provides significantly improved traction and handling for powerful rear-wheel drive cars, and is an absolute must-have performance upgrade for owners of these brilliant driving machines.

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.

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.

Date: 21/09/2015

Dear Kevin,

"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 the image to read the full BMWCar magazine editorial.

Birds BMW tuning for 3 Series (F30) >

"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 the BMW F32 435i, or click on the image to read the full EVO magazine editorial.

Birds BMW tuning for 3 Series (F32) >