There's quite a few BMW diesel engines which have them via after market.
The 2.0d goes from 163 to 205 bhp and the 2.3d goes from 205 to 260 bhp.
The reports I've read suggest they take a few miles (100 or so) to fully teach the management unit the new code, but once done the £400 odd is a fantastic method of adding 20-25% more power to a diesel car.
Gizze here at TSN runs one and has done so over a couple of diesel cars.
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