iDrive miles-to-service accuracy
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Joined: Nov 2006
Posts: 488
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From: Shropshire UK
My Ride: Estoril Blue 440i GC
Model Year: 2017
If you are uncertain, wait for the sensors to do their job.
The iDrive works out brake wear using trick electronic maths.
The sensor is good old fashioned technology - when it hits the disc (rotor), then your iDrive will "BONG" and your mileage to go will become a negative number.
Rotors don't need to be changed at the same time as the pads, unless they are worn thin (which mine was after 45000 miles), badly scored or warped.
Mike
The iDrive works out brake wear using trick electronic maths.
The sensor is good old fashioned technology - when it hits the disc (rotor), then your iDrive will "BONG" and your mileage to go will become a negative number.
Rotors don't need to be changed at the same time as the pads, unless they are worn thin (which mine was after 45000 miles), badly scored or warped.
Mike
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Joined: Aug 2009
Posts: 1,456
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From: Empire State
thanks for all the replies
i went and looked at this myself, and my mechanic showed me 2mm left on my rear pads, and between 2-3mm on the fronts
this is insane that idrive would say 18-20k miles left
i do not have extended maint, so it's either no brake job or brake job in 2-3k miles
i am undecided on what to do
was quoted $816 for all new pads, rotors, and install
i went and looked at this myself, and my mechanic showed me 2mm left on my rear pads, and between 2-3mm on the fronts
this is insane that idrive would say 18-20k miles left
i do not have extended maint, so it's either no brake job or brake job in 2-3k miles
i am undecided on what to do
was quoted $816 for all new pads, rotors, and install
Senior Members
Joined: Nov 2009
Posts: 521
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From: Toronto, Canada
My Ride: 2012 535i X-driveSpace Grey/Black Dakota, Fineline Anthracite Trim; Executive Package (Rear View, Lumbar, Nav, Voice, SIRIUS, HiFi Pro) Technology Package (Hi Beam Assist, Lane Departure, Blind Spot Detection, Surround View) BMW Apps (Apps, Smart Pho
Model Year: 2012
I agree with AlwynMike. Let the sensors do their job. They should be replaced with each brake job anyway.
My iDrive used to say 50,000km on fronts and 60,000km on rears. After my high speed accident and 360 degree spin with brakes on to the floor, the iDrive now says the same for fronts but only 50,000km on rears. Quickest 10,000km I ever braked. Even ABS and DTC systems were overwhelmed and shut down completely.
My iDrive used to say 50,000km on fronts and 60,000km on rears. After my high speed accident and 360 degree spin with brakes on to the floor, the iDrive now says the same for fronts but only 50,000km on rears. Quickest 10,000km I ever braked. Even ABS and DTC systems were overwhelmed and shut down completely.
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