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      04-25-2011, 02:27 AM   #24
Jan van Zyl
Private First Class
Namibia
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Drives: 2011 X3 (F25) x-drive 2.0D
Join Date: Apr 2011
Location: Windhoek, Namibia

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Brake Energy Regeneration may play a role in downshift "surging" - as will the higher compression ratio in a diesel model; in the 20d auto I do tend to feel it - but it is slight and may help save on the brake pads.
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