Sportec has introduced its modified BMW M135i this month at the 83rd Geneva Motor Show.

Sportec has introduced its modified BMW M135i this month at the 83rd Geneva Motor Show.

The Swiss tuner developed a two-stage kit for the hot 1-Series which begins with a power upgrade (via software optimization) from the standard 320 HP (235 kW) to 355 HP (261 kW). Torque has also gone up from 332 lb-ft (450 Nm) to 376 lb-ft (510 Nm).

Stage 2 includes a 200-cell catalyst and downpipe to increase the number of ponies to 370 HP (272 kW). It costs 4,300 EUR and enables the BMW M135i perform the 0-62 mph (0-100 km/h) run in 4.6 seconds, making it 0.3s quicker than the stock model. Top speed has increased from an electronically-limited 155 mph (250 km/h) to an also limited 171 mph (275 km/h).

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BMW M135i by Sportec races into Geneva