29+ Bmw 335I Limited Slip Gif. Allows for traction at all times by providing the most power to the wheel with more grip. Unlike open differentials, limited slip differentials can vary the torque to each wheel.
They have a faux limited slip, it uses the brakes via electronics to imitate what a mechanical lsd does.
Will not directly fit these models due to the oem ring gear being welded onto the differential. While they are useful on the track at 9/10's or 10/10's, in other instances a lsd has disadvantages. Quaife atb limited slip differential is the best street & trackday diff available. Generally, an n54 lsd can price: