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 BOSCH: The Bosch engines were one of the first mid-mounted engines to be produced on a large scale. Thanks to their reliability and high performances they become very popular to the point that today they are the engines of choice for more than 50 e-bike manufacturers. It is not a surprise that the first tuning to be produced were designed to unlock these Bosch motors.

The first engine produced was the Bosch Classic Line (Gen1) up to 2014. The Gen2 engines Active Line and Performance Line (were produced from 2014) and the Performance Line CX (from 2015). The Gen3 engines Active Line Plus were first produced in 2017. The latest Gen4 engines Performance Line (+ CX) have been produced since 2020 and do have an integrated anti-tuning measure. All Bosch engines (Gen2, 3, and 4) from Firmware version onwards do require a tuning kit that can override the Bosch anti-tuning measures.

In 2022 Bosch released the new Bosch Gen4 Smart System which Bosch call it the "BES3" and stands for "Bosch Ebike System 3". For the general public, the new Bosch Smart System is also known as the Bosch Gen5. The main focus on the development of the BES3 was to expand into the digital e-bike smart networking system. In fact, the new engine is compatible with the" eBike Flow App" with the KIOX 300 display.

For more information on tuning characteristic and compatibility with your Bosch engine and model check out our BLOG

€199,00 | €229,00
€189,00 | €219,00
€190,00 | €229,00
€165,00 | €189,00
€145,00 | €155,00
€154,00 | €155,00