Quote:
Originally Posted by GBR1
Hartge have an option now for the F20/21 the 116i comes in at 171hp and 265Nm..
How reliable are these units and what does it do to the warranty of the car etc??
GBR1
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If you change the engine mapping or manipulate signals, the factory warranty is void. When the tuning comes from reputable tuners, they will usually take over the warranty, though.