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7 Series DIY
Do It Yourself forum dedicated for 7 Series BMW Owners

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  #1  
Old 07-11-2013, 05:02 AM
wog boy wog boy is offline
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Location: Australia
 
Join Date: Aug 2010
Posts: 199
Mein Auto: E66 750Li
***DIY Front Brake Pad Replacement Facelift E65/E66***

Hi,

Replaced my front brake pads and brake pad sensor today so I thought I might put the pics of how to remove and install them.

Never work under a vehicle supported on any type of jack but only a certified vehicle stand and repair or replace these parts below at your own risk, I am a qualified mechanic myself so if you are unsure with this task ask for assistance or pay someone else to do this for you, brake repairs are not something that should be treated lightly.

Brake Pads part number


Raise vehicle and place on stand and remove wheel


As you can see my brake pads were well over due to be replaced


Using an 18mm ring spanner remove both the brake calliper mounting bolts from the strut tower and disconnect the brake pad wear sensor white connector and remove from the brake pad



With both mounting bolts removed using a large flat blade screw driver pry off the brake calliper away from the brake rotor


With the calliper removed pry out both brake pads, anti rattle clip and the brake pad slide cradle




With all those components removed reinstall your piston side brake pad, now is a good time to check your brake fluid level as when you compress the piston back your brake fluid reservoir could overflow causing paint damage to your engine bay, remove brake fluid as required and monitor, now continue using a large p-clamp compress the piston back into the bore carefully until piston is fully compressed into brake calliper housing




Once you have completed that reinstall the brake pad slide cradle, apply brake pad paste to the steel backs of both new brake pads to help prevent them from rattling, you can see that the non piston side brake pad does not come with locating tangs now as compared to the original worn ones removed, this is now standard and will speed up the brake pad replacements in future, now insert the piston side brake pad first then the non piston side brake pad









Now insert the anti rattle clip into the centre of the brake calliper and using the large flat blade screw driver carefully place the tip under the anti rattle clip and coach both sides to snap back into position and then check both realign with their original markings





Install new brake pad wear sensor into brake pad



Using a 18mm ring spanner reattach the brake calliper to the strut tower tightly and refit the wheel and remove vehicle off stand, Do not start engine but push the brake pedal in car to the floor several times to allow the brake calliper pistons to push out of their bore back into their braking position, check brake fluid reservoir once more to check fluid is at the correct MAX level, add more if required if you removed to much previously




To reset your IDrive computer for the front brake pad replacement insert the keyfob into dash and press ignition but do not start engine, apply pressure to the speedo reset button for about 5 seconds then release when there is text in the speed cluster area, push the same button briefly until you scroll down the list until you read FR.Brake, again apply pressure to the button for about 5 seconds until you see text in the RPM cluster area confirming to reset the count. I did mine previously to taking the picture but you can clearly see the process





Enjoy

Last edited by wog boy; 07-11-2013 at 05:11 AM.
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  #2  
Old 10-16-2013, 08:49 PM
whytry's Avatar
whytry whytry is offline
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Location: El Dorado Hills, CA
 
Join Date: Nov 2007
Posts: 244
Mein Auto: '06 750i, 68 Camaro
Great writeup!! Im gonna tackle this job this weekend.
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06 750i - Blk/Blk, Sport pkg, premium pkg, comfort access, ent pkg, convience pkg, 21's, had to sell (got divorced)
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68 Camaro - Procharged and injected LS2 in progress
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