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      02-14-2018, 11:36 AM   #45
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you should see the nike calipers. they are the funniest ones yet.
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      02-14-2018, 03:14 PM   #46
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Finally almost done, I screwed up a bit with decal placement, but that's ok. Applied clear coat and just waiting for F85 rotors to arrive

Before and after pics:
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      02-14-2018, 03:18 PM   #47
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Looking really good! Were you able to test the caliper functionally somehow? Just curious if there is anyway to test functionality prior to fully installing them.
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      02-14-2018, 03:22 PM   #48
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Originally Posted by CeeTeeX5 View Post
Looking really good! Were you able to test the caliper functionally somehow? Just curious if there is anyway to test functionality prior to fully installing them.
I pressed on each piston separately using my thumb to see if it moves freely and they were moving with no issues - each time I pressed on one piston - brake fluid would come out of hose. These are very reliable brakes, unless someone took pistons apart and scratched their surface from inside on purpose - or someone just drilled a hole into caliper or something - there's no other way to brake them. Very simple and effective construction. They are built like tank - you can feel quality in your hand
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      02-14-2018, 03:33 PM   #49
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Please make sure you test it in action...we need you in one piece!
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      02-14-2018, 03:38 PM   #50
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Please make sure you test it in action...we need you in one piece!
Thanks guys! I'll test it while engine is warming up
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      02-15-2018, 07:32 PM   #51
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Got the rotors from Boeing 747
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      02-15-2018, 08:09 PM   #52
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Got the rotors from Boeing 747

385mm??
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      02-15-2018, 08:24 PM   #53
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385mm??
395mm
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      02-15-2018, 09:30 PM   #54
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Quote:
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Got the rotors from Boeing 747
Those are bigger than the stock wheels that came on my old E36
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      02-15-2018, 09:32 PM   #55
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lighter too.
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      02-19-2018, 12:03 PM   #56
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I hate to be that guy but I'm going to be that guy... So my summer wheels are part numbers 86053 & 86058. My winter wheels are part number 86260. I have 5mm spacers in the front and 15mm spacers in the rear. Would I be able to run this setup year round? I would also pursue the rear calipers.
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      02-19-2018, 12:11 PM   #57
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I hate to be that guy but I'm going to be that guy... So my summer wheels are part numbers 86053 & 86058. My winter wheels are part number 86260. I have 5mm spacers in the front and 15mm spacers in the rear. Would I be able to run this setup year round? I would also pursue the rear calipers.
If it's 19 inch rim - it should clear the calipers. They are big and look like they are barely fitting (see pic below with 19 inch rim), but amazingly 19 inch rims clears them with no issues.
Ironic, but it's usually unproportionally small rotors and calipers that people have, but in this case 19 inch rims look too small for such caliper and rotors - or is it that calipers are too big for 19 inch

P.S. I'm in the process of installing soon and I'll update with pics (got held back with study)
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Last edited by DuSh; 02-19-2018 at 12:18 PM..
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      02-19-2018, 12:54 PM   #58
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Thanks! This is so awesome, looking forward to summer and the opportunity to dig into this!
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      02-19-2018, 12:59 PM   #59
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Holy giant rotors Batman! Good night, that's awesome. Looking great man, this is hands down my favorite thread right now. Church.
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      02-19-2018, 07:01 PM   #60
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Did you code the M performance brakes on the car after install? Also any clue if this same process could be used for rear calipers or are the rears we have the 50i good enough as is?
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      02-20-2018, 04:54 AM   #61
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Originally Posted by kabawi91 View Post
Did you code the M performance brakes on the car after install? Also any clue if this same process could be used for rear calipers or are the rears we have the 50i good enough as is?
So I installed them today, will post pictures later (sorry very busy with study right now). So yes, calipers were good and working, they flushed brakes and coded them - it was an indy shop, so I'm not sure what software or hardware they used for coding.

Rear brakes for 50i are same as MPBK, but they need to be re-mounted on another mounting points and bigger rotors can be installed in rear. The bracket has 2 sets of mounting points - for bigger rotors you can use mounting points that are farther from the hub to accommodate bigger rotor. I still have to confirm this info, but in worst case scenario if caliper brackets are different - we can buy X5M bracket (for rear calipers): $147 https://www.ecstuning.com/b-genuine-...r/34217847226/ and you can use your stock 50i rear caliper with that X5M bracket (so basically swap brackets) and that will allow you to accommodate bigger 385mm rotor from X5M (our stock rear rotor for 50i is 345mm) - so that's one way to do it - calipers are identical (except color, but you can paint them any color). But in that case you will need to buy 385mm rotors for rear and cost will add up. In that case maybe it makes sense to just buy MPBK kit for $2500 that has everything, but you will still need to buy drilled rotors for looks (or stay with solid rotors if looks are not priority)

Last edited by DuSh; 02-20-2018 at 05:27 AM..
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      02-20-2018, 09:36 AM   #62
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One more quick fact: it turns out total weight of F85 rotor with X5M E70 4 piston caliper is basically same as stock 50i rotor with stock caliper. What it means is that I got bigger 395mm rotor and 4 piston brembo caliper WITHOUT gaining any extra weight! Probably due to aluminum body (M brembo caliper) vs cast iron body (stock caliper). So if anyone is worried that it may increase rotational mass - it's all good
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      02-20-2018, 12:30 PM   #63
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Can't wait to see see finished product! Nicely done.....
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      02-20-2018, 02:03 PM   #64
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Quote:
Originally Posted by DuSh View Post
So I installed them today, will post pictures later (sorry very busy with study right now). So yes, calipers were good and working, they flushed brakes and coded them - it was an indy shop, so I'm not sure what software or hardware they used for coding.

Rear brakes for 50i are same as MPBK, but they need to be re-mounted on another mounting points and bigger rotors can be installed in rear. The bracket has 2 sets of mounting points - for bigger rotors you can use mounting points that are farther from the hub to accommodate bigger rotor. I still have to confirm this info, but in worst case scenario if caliper brackets are different - we can buy X5M bracket (for rear calipers): $147 https://www.ecstuning.com/b-genuine-...r/34217847226/ and you can use your stock 50i rear caliper with that X5M bracket (so basically swap brackets) and that will allow you to accommodate bigger 385mm rotor from X5M (our stock rear rotor for 50i is 345mm) - so that's one way to do it - calipers are identical (except color, but you can paint them any color). But in that case you will need to buy 385mm rotors for rear and cost will add up. In that case maybe it makes sense to just buy MPBK kit for $2500 that has everything, but you will still need to buy drilled rotors for looks (or stay with solid rotors if looks are not priority)
i was thinking what if you just buy MPBK and sell the front rotors and buy drilled .. found them on sell with free shipping ... the thing is who will buy the stock 50i brake kit... i see some are selling them for $600

https://www.bmwpartspros.com/partloc...catalogid=8798
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      02-20-2018, 02:42 PM   #65
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people with a 35i who have smaller brakes.
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      02-20-2018, 02:52 PM   #66
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Quote:
Originally Posted by Vlado View Post
i was thinking what if you just buy MPBK and sell the front rotors and buy drilled .. found them on sell with free shipping ... the thing is who will buy the stock 50i brake kit... i see some are selling them for $600

https://www.bmwpartspros.com/partloc...catalogid=8798
Or negotiate a deal with the local dealership's parts dept to swap with the X5M rotors. Someone on the forum had done it.
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