OPEL 6204153, OPEL 9132653, GENERAL MOTORS 9117852, OPEL 9117852, GENERAL MOTORS 93175817, GENERAL MOTORS 10457922, OPEL 6204114, OPEL 9119309, OPEL 93175801, OPEL 93175947, GENERAL MOTORS 93175801, OPEL 1204054, OPEL 9512787, GENERAL MOTORS 9512787, OPEL