The 36-year-old mother-of-two’s BMW was found burned out in a lay-by in 1976.
Police opened fire on the gang during a high speed chase through London.
Firm says it "remains committed" to Britain, despite plan to close plant.
The police watchdog has launched an investigation.
Mike Samwell died after he was run over with his own car.
More gadgets than you'll know how to use.