1st drive snow test- ABS seems intermittent- Not always working - Bimmerfest - BMW Forums



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  #1  
Old 10-19-2019, 10:51 PM
scon4snow scon4snow is offline
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1st drive snow test- ABS seems intermittent- Not always working

Took my 328D out tonight in the snow on some very steep downhills, moving super slowly (Very steep back road downhill) so was on the brakes a fair amount creeping at 1-2 MPH (Foot of snow skidding down). The ABS stopped working after several minutes. Does it heat up and shut off? In order to get it to reactivate I would disengage it (Button) and then reengage. Why? Very odd. So far the ground clearance seems poor also but i made it up some pretty steep hills.
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Old 10-20-2019, 04:48 AM
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Doug Huffman Doug Huffman is offline
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The Anti-skid Braking System - ABS - cannot be disabled / turned off. It is federally mandated. There is no ABS button.

There may be a Hill Descent Control - HDC - button, that I believe is an attribute of the Dynamic Stability Control.

ETA: Ahh! The skidding car icon button / light. That's Dynamic Traction Control - DTC. It indicates functioning of the transfer case under control of the DSC and can be manually enabled - TC clutch shut - by pressing the DTC button, or disabled TC clutch disabled open by a long press of the DTC button.

Should be detailed in your owners manual.
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Last edited by Doug Huffman; 10-20-2019 at 05:01 AM.
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Old 10-20-2019, 02:54 PM
JeffDunes JeffDunes is online now
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Yes the 3 series is low, too low to drive in one foot or more of snow. The car will quickly get high centered and stuck in deep snow. If the snow is not too deep your 328d should perform well in snow. Are you running winter tires? What was happening that made you feel the ABS was not working? Is it possible the snow was covering glare ice in places?
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Last edited by JeffDunes; 10-20-2019 at 02:57 PM.
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Old 10-20-2019, 05:06 PM
scon4snow scon4snow is offline
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Snow performance

Yes to the squiggly line button as that is necessary to activate for sure when ascending a steep hill. Gives you much better linear power. On the descent, I turned it back on but after a long steep descent my anti-skid stopped working. I tested this by jamming on the brakes, as the pulsating brake action had completely gone away (Uncontrolled skid). I think it may have to do with the heat or regeneration but not sure? The button was turned on. Also regarding the clearence I agree its low. Sad that they make I-Drive with lower cars than Audi. On the peformance in non deep snow I was actually impressed with this car.
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Old 10-21-2019, 12:42 PM
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OP is the same guy who bought the car before realizing he hated the seats, bought the car without checking to see if the tires were the same make/model and had usable tread depth, and wore out his transfer case within 3,000 miles. He thinks he has found a way to turn off ABS, tests his brakes by "jamming on the brakes", thinks his 328D has a regenerative braking feature, and swears by the "squiggly line button." (Sigh).
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