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Bosch Motronic Failures Index Page

Bosch Motronic ECUs which suffer common ignition failures are found on Alfa Romeo, BMW, GM, Peugeot and Vauxhall cars. It is important to count the number of ECU pins to correctly identify next page. Please click HERE for photos of these ECUs to assist identification.

    Bosch Motronic with 35 (2 row) or 55 pin (3 row) connector

    Bosch Motronic with 88 pin (3 row) connector DIS coil per cylinder system (Alfa + BMW) or 'wasted spark' twin coil system (Peugeot) fitted from about 90/92 onwards

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