Quote:
Originally Posted by blackmercedes
ZF makes trannies for BMW, and they ahve had many, many years of garbage. They installed whacks of behind-V-8 and behind-V-12 units where the front pump stopping running at idle. Great. Spend some time in traffic and you'll be lucky to get 100K-miles before a total rebuild.
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They stop pumping when they're in
neutral, not simply at idle -- so sitting in traffic is fine. In fact idling in neutral is even fine. The problems arise when you REV them in neutral. For this reason, cars equipped with these trannies are exempted from certain parts of emissions tests.
jp