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.
Click the image below to read BMWCar Magazine's review of our F32 435dx. All upgrades and tuning packages are only available through Birds.
Hi Kevin,
How are things with you?
Sorry, I meant to get back to you way sooner with thoughts on the updated suspension. I was hoping for a break in the weather so I could push the car a bit, but we've had endless crap weather down here ever since, either biblical rain or arctic deep freeze.
Date: 09/11/2015
BMW tuning specialists Birds are well-known for their expertise in the art of ride and handling, and are now pleased to announce the release of their customised Bilstein-based B4x Sport Suspension upgrade for the F32 435dx.
