This is a genuine, late-model OEM Volkswagen Group Engine Control Unit (ECU / Computer Box) manufactured by Bosch. Running on the highly advanced Motronic MED17.5.25 engine management system, this unit was carefully salvaged from a running vehicle and is ready to be adapted.
Part Specifications:VW Part Number: 04E 907 309 BJ (04E907309BJ)
Bosch Manufacturer Number: 0 261 S12 608 (0261S12608)System Type: Motronic MED17.5.25Engine Suitability: 1.0 TSI & 1.4 TSI Turbo Petrol (BENZIN)Engine Codes: CHZC / CHZB / CZCA (Common 3-cylinder and 4-cylinder TSI engines)
Vehicle Fitment Guide:This part number is highly specific to modern turbocharged platforms across the VAG range, heavily used in South Africa on:
VW Polo 8 (AW) 1.0 TSI models (Approx. 2018–2022+)
VW Golf 7 (Mk7 / 7.5) 1.0 TSI & 1.4 TSI facelift models Audi A1 / A3 1.0 TFSI & 1.4 TFSI (Late model variants)
Note: Electronic compatibility heavily relies on matching the exact letters at the end. Please ensure your faulty module explicitly reads 04E 907 309 BJ before purchasing.
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