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Old 02-24-2015, 03:30 PM
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Brakes retrofit for e70

Would it be possible to retrofit brake calibers from new M3 or M2 ( 4 piston brembo calipers front and 2 piston rear brembo caliper ) on to the 08 x5 4.8i without ton of machine work ? Your feedback appreciated. Thank you.
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Old 02-24-2015, 04:06 PM
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Why, when the X5 M front calipers retrofit nicely (see signature). You'd have to fabricate a custom mounting bracket, and do all the calculations for piston sizing etc to see if the brake bias is affected.


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Last edited by blue dragon; 02-24-2015 at 04:24 PM.
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Old 02-24-2015, 04:19 PM
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blue_dragon - i can't find used x5m front calipers at decent price $$$ so far. will keep looking. Thx you for the feedback !
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Old 03-16-2015, 09:57 AM
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QQ - When I install x5m front calipers on 08 x5 do you i need to change brakes lines and dust shield ? Thank you in advance.
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Old 03-16-2015, 12:32 PM
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Yes, I chose to run the stoptech lines, and you will need a new dust shield.
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Old 03-16-2015, 01:44 PM
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Do you think i can use this kit on my 08 4.8 x5 with x5m calipers - BMW E70 X5 M S63 4.4L Braking Lines - 002565ecs02a - Exact-Fit Stainless Steel Brake Lines - Front - ES#2594637
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Old 03-16-2015, 03:21 PM
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^ What did ECS say?
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Old 03-16-2015, 05:20 PM
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Quote:
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^ What did ECS say?
Lol, good point.
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Old 03-16-2015, 10:42 PM
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Quote:
Originally Posted by blue dragon View Post
Why, when the X5 M front calipers retrofit nicely (see signature). You'd have to fabricate a custom mounting bracket, and do all the calculations for piston sizing etc to see if the brake bias is affected.


So what did you do to address brake bias? Does the X5M use the same rear brakes as a regular 4.8? Same master cylinder and proportioning valve?
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Old 03-17-2015, 07:16 AM
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Brake force distrubution
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