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Old 09-26-2012, 10:48 AM
bimmerized bimmerized is offline
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Location: N. CA
Join Date: Sep 2010
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Mein Auto: 97 E36M/4
Regarding ECO-Pro Mode. Most of the fuel savings is earned by encouraging the driver to maintain a higher gear. This works by decreasing response to accelerator position. When acceleration is called for through judicious use of the acelerator, it will down shift more than one ratio at a time, so the change is quite abrupt, unlike the gradual down shifts that can be elicited in D Mode. That meter that shows how much fuel you saved is bogus because it has to be relative to how you would have driven in D/S/Man mode, but there lies the falicy. The reality is, throttle positions were as such due to being in EcoPro and would not have been as such if driven in D. The bottom line is that EcoPro can help you drive slow, but you can acheive nearly the same economy in D if you have good self control.

Other than gearing and potentially the limited use of the A/C, how else can EcoPro conserve fuel in the X1?
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