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<blockquote data-quote="Cowabunga" data-source="post: 7432402" data-attributes="member: 718"><p>They have inclination sensors and use the ECU like you would a brain. All good automatics nowadays downshift for engine braking. Some more than others, depending on their programming.</p><p>I had the same engine and gearbox combination in a BMW X5 and Range Rover, nearly twenty years ago. The BMW down-changed rather too enthusiastically at times and frightened the peasants walking on the pavement as it changed down two gears with the engine rising to 3000rpm. Yet the same BMW engine and General Motors five speed auto in the Range Rover was programmed more sensible and only ever down changed appropriately. The Audi and Volvo with different models of Aisin transmissions also changed down just nicely but my Ford Ranger doesn't really downshift enough at all. My latest car with eight speed DCT falls somewhere between the BMW and Range Rover and sometimes chooses one ratio too low for my liking, but only on quite steep roads and not as extremely as did the BMW.</p></blockquote><p></p>
[QUOTE="Cowabunga, post: 7432402, member: 718"] They have inclination sensors and use the ECU like you would a brain. All good automatics nowadays downshift for engine braking. Some more than others, depending on their programming. I had the same engine and gearbox combination in a BMW X5 and Range Rover, nearly twenty years ago. The BMW down-changed rather too enthusiastically at times and frightened the peasants walking on the pavement as it changed down two gears with the engine rising to 3000rpm. Yet the same BMW engine and General Motors five speed auto in the Range Rover was programmed more sensible and only ever down changed appropriately. The Audi and Volvo with different models of Aisin transmissions also changed down just nicely but my Ford Ranger doesn't really downshift enough at all. My latest car with eight speed DCT falls somewhere between the BMW and Range Rover and sometimes chooses one ratio too low for my liking, but only on quite steep roads and not as extremely as did the BMW. [/QUOTE]
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