In 1993, in response to criticism from its customers, Lamborghini launched the Diablo VT (for Viscous Traction) Series 1, whose main development was its new all-wheel drive system with central viscous coupling derived from the LM002. The 5.7 V12 remains unchanged, but the brakes have been strengthened – although ABS is still out – and a new computer-controlled Koni suspension has been fitted (5 modes for the driver to choose from). The dashboard has also been redesigned. Other minor changes include air conditioning, body-coloured mirrors, air intakes in the front bumper under the fog lamps, and new, narrower front tyres. In the face of the economic crisis, this model is intended to be more consensual and less expensive.