"The meaty engine responses are sharp without being edgy and delivered without the faintest hint of reactive nerves from the chassis. Although the helm answers inputs alertly and accurately, it filters out the rigours of bumpy roads with poise..."
Read EVO Magazine's full review of our M235i, equipped with our signature B-Series Sport Suspension kit.
Click the image below to read BMWCar Magazine's review of our fully fettled M235i. All upgrades and tuning packages described are available only through Birds.
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.
Production 2013-present.
The popular Quaife LSD (limited slip differential) is now available and IN STOCK for the new F22 M235i, exclusively at BIRDS.
