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Bosch ABS Brain differences

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Old Jun 16, 2025 | 03:28 PM
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Default Bosch ABS Brain differences

The ABS in my 89 hasnt worked since I got the car. Recently pulled the system out of a 1990, which looks identical, except the Bosch number on the module is different. (14 103 343 for the 89, 100 859 91 for the 90.) I would prefer to use the 90 in my car with the 90 pump (same number on both pumps) if possible, since what I pulled shows signs of water damage and is probably junk. Anybody know what the differences may be? TIA!
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Old Jun 17, 2025 | 09:21 PM
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From: LeClaire Iowa
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Mtechnique ABS – MTechnique ABS

The man who owns this company rebuilds them. He is very nice and if you use his contact or email he will take the time to answer your question. He knows. Dan
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