Active Cruise Control

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11-20-2005 | 02:34 PM

#51

Ray Hull

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Joined: Nov 2005

Posts: 1,113

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From: Albany, NY

My Ride: '04 545iS 6 spd, bought new via eBay, 11/05; Blk/Gry, Cold, L7, PDC, BMW Rear seatcover for pets. First "Bumwa" was a new 1971 2002. High performance 5s since 1987. Beamer motorcycles too, currently on an 07 BMW K1200 GT; also a Moto Guzzi 1000 SP III.

That's Barcolounger stuff. Do you ride a Gold Wing too?

Ray Hull

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12-16-2005 | 08:21 AM

#52

Memotronic

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Joined: Aug 2004

Posts: 154

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From: UAE, Dubai

up ... thinking of ACC ...

Situation

if I am driving with full speed and while overtaking ...

I surprized with a slow car .. in front of me !!

Question ??

will ACC detect the car faster & before I see it ? and what action it takes ?

will ACC apply As much as possible hard brake to avoid the accident happen ?

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12-16-2005 | 12:39 PM

#53

NC530i

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Joined: Mar 2004

Posts: 76

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From: Raleigh, NC, USA

My Ride: '04 530i Mystic Blue, European Delivery, Steptronic, Prem Pkg, Cold Weather Pkg, Nav, Heads Up, Active Cruise, Rear Sunshade, Rear Side Airbags, Rear Seat Heating, Park Distance Control, Xenon, CPT9000 GSM phone, red rear reflectors, Sirius!!!!

Quote:

Originally Posted by Memotronic' post='212091' date='Dec 16 2005, 12:21 PM

up ... thinking of ACC ...

Attachment 13487

Situation

if I am driving with full speed and while overtaking ...

I surprized with a slow car .. in front of me !!

Question ??

will ACC detect the car faster & before I see it ? and what action it takes ?

will ACC apply As much as possible hard brake to avoid the accident happen ?

It will detect the car quite quickly, but won't do so before you see the car. What it seems to be really good at is determining the relative speed of the car in front of you. I would say that it makes this determination and reacts about as quickly as you would yourself. ACC only uses some of the total breaking power (I think something like 20%), so it won't break very hard, but a unique warning sound and, if you have HUD, a warning signal on your windshield, always tell you if human intervention is required.

This thread has gotten quite long, with many divergent opinions, but I can only add that I love ACC on very long drives - I once went 250 miles without stepping on the brake or gas pedal once - but I don't tend to use it for commuting or other short trips.

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