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    Marelli’s impressive BMW M4 rear lamps

    A unique racetrack-like LASER wire design

    Germany/Reutlingen, 21 November 2023

    The energetic, racetrack-inspired design concept of the BMW M4 CSL taillight was brought to life by Marelli. By using innovative LASER wire technology, unique, “thin lit lines” styling was realized.
    A red LASER diode, used for the first time in exterior vehicle lighting was developed within a very short time being an absolute novella in the automotive lighting industry. As first vehicle lighting manufacturer, Marelli has succeeded in coupling very thin optical fibers to the new red LASER. Pairing the red LASERs with rear light function we have developed it to market maturity and to successful series production.

    This challenging rear lamp innovation, perfectly managed by Marelli for BMW M GmbH, results in an amazing optical speckling LASER effect that is worth driving behind the car.

    Many thanks to our customer and our colleagues from the Rear Light Competence Center Tolmezzo (Italy) who co-created this innovation aiming in series production.

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