130i to M135i Brake upgrade project

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rob180bhp
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Re: 130i to M135i Brake upgrade project

Post by rob180bhp » Mon Apr 04, 2016 1:41 pm

For £20 I'd buy a new pipe also

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THETYRANT
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Re: 130i to M135i Brake upgrade project

Post by THETYRANT » Mon Apr 04, 2016 1:58 pm

rob180bhp wrote:For £20 I'd buy a new pipe also

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Yeah that was my thinking, its a bit fiddly to make it up nice and then getting it all in wiggled in and connected, bled up etc only to possibly find I have issue again! so just bought a new one as cheap enough I thought.
Im just hoping there isn't an issue in the female socket on flexi to chassis its connecting to, but it wasn't leaking there before I started and that end came out ok, will get under and give it a good clean out before fitting new pipe though, could just be a small bit of grit has got in when I fitted pipe I made although I was careful to not have this happen its not easiest place just up on axle stands! Typically the end going to caliper flexi that caused all this is fine and that was a bugger to get final bend in pipe and get it all threaded in, typical :lol:
--
Now on my 3rd 130i, this time a nice E81 in Graphite, Previously 2 x 130i and 2 x 135i

Camber plate project - http://www.babybmw.net/viewtopic.php?f=20&t=96465

Suspension Quest thread - http://www.babybmw.net/viewtopic.php?f=20&t=80208

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Re: 130i to M135i Brake upgrade project

Post by THETYRANT » Thu Apr 07, 2016 8:57 am

Ok thanks to Phil@Cotswolds BMW on here ive just received the replacment hardpipe so will get that on asap then i can try this setup properly :)

Ive also got some new stock spec Apec rear pads coming today to slot in and probably use for this shakedown trackday at croft on 17th to go with the XP8 fronts ive just made but not fitted yet, i will be making some uprated rear pads once i get a feel for the balance of the car with current setup and will run stock spec pads front and rear for a few days to get a feel for how much these larger rear brakes are affecting the balance, then drop in my XP8 front pads for the trackday and see how it performs, i suspect im going to need to be at least 1 compound lower on the rear axle but will see how it feels, i know what its like if you go too strong on rear brakes and its not a nice feeling!

Ian
--
Now on my 3rd 130i, this time a nice E81 in Graphite, Previously 2 x 130i and 2 x 135i

Camber plate project - http://www.babybmw.net/viewtopic.php?f=20&t=96465

Suspension Quest thread - http://www.babybmw.net/viewtopic.php?f=20&t=80208

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Re: 130i to M135i Brake upgrade project

Post by 0l0dom0l0 » Thu Apr 07, 2016 10:16 am

Just remember as I said before, if you want to adjust brake balance slightly (I would assume more front bias) then you can code the BBK option to the VO on the car.

Wibbles will tell you what option this is.

Tbh I'd be tempted to do it anyway, as I think you'll be working with a more suitable bias in the first place. It's also meant to be a bit more lapse on the abs settings which may help you on track.

I can't confirm exactly what the option does though but its something to consider IMO. Wibbles should be able to give you the info.
2007 130i LE - BMWP Exhaust, Strut Brace, Air Filter, Short Shift kit and Handbrake.
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Re: 130i to M135i Brake upgrade project

Post by THETYRANT » Thu Apr 07, 2016 10:59 am

0l0dom0l0 wrote:Just remember as I said before, if you want to adjust brake balance slightly (I would assume more front bias) then you can code the BBK option to the VO on the car.

Wibbles will tell you what option this is.

Tbh I'd be tempted to do it anyway, as I think you'll be working with a more suitable bias in the first place. It's also meant to be a bit more lapse on the abs settings which may help you on track.

I can't confirm exactly what the option does though but its something to consider IMO. Wibbles should be able to give you the info.
Thanks for that ive often wondered what the coding for the BMWP brake kit does on the 130's i will drop wibbles a pm see if he has anymore details on it, i wonder if using a mot brake testing roller i could get an idea on difference coding makes to bias, or if it just alters other things, might try it on mot roller before and after if i do a recode to see.

I will run as it is for now and see how it feels for reference for others though, i think with stock pads its probably not going to be an issue but once you start putting high friction upgraded pads in like our XP series it dramatically changes things.

Ian
--
Now on my 3rd 130i, this time a nice E81 in Graphite, Previously 2 x 130i and 2 x 135i

Camber plate project - http://www.babybmw.net/viewtopic.php?f=20&t=96465

Suspension Quest thread - http://www.babybmw.net/viewtopic.php?f=20&t=80208

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Re: 130i to M135i Brake upgrade project

Post by THETYRANT » Thu Apr 07, 2016 8:09 pm

That's the new brake hard pipe fitted and seems to of cured the leaking join, fingers crossed :)....been for a run out to give the brakes a work out and my can it stop now!...ive had a lot of cars and brake setups over the years but this has got to be one of best considering its got stock bmw pads in still at moment, impressive! cant wait to try it on track with some proper pads in as well.

Got my new Apec oem spec rear pads today as well so popped one of the bmw ones out that I fitted with calipers so I can see where I need trimming, now they have done a few miles and made a mark where they overhang I can see whats required easily, looks like 5mm off outer radius and approx 2mm off inner so will both be easy enough with chopsaw or dremel, you could run without trimming pads but its not advisable to have the pads over hanging edges really.
Will do some pics of pads before and after.

Ian
--
Now on my 3rd 130i, this time a nice E81 in Graphite, Previously 2 x 130i and 2 x 135i

Camber plate project - http://www.babybmw.net/viewtopic.php?f=20&t=96465

Suspension Quest thread - http://www.babybmw.net/viewtopic.php?f=20&t=80208

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Re: 130i to M135i Brake upgrade project

Post by rob180bhp » Thu Apr 07, 2016 8:47 pm

Excellent news glad you like them, I know how you feel my brakes are amazing, I can here the tyres squirm when braking hard

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Re: 130i to M135i Brake upgrade project

Post by Danny_Boy » Thu Apr 07, 2016 8:57 pm

Awesome mate!

I may well be doing this to mine as im going to be fitting my front brakes up hopefully monday, and i have braded lines ready for the rear also.

**goes on the hunt for rear calipers**
2009 E82 135i Manual - MHD - Quaife Diff - BMWP Exhaust - VRSF DCI - Intercooler - Charge Pipe & Bov - Meister R's - M3 F&R Arms - Powerflex Bushes - Subframe inserts - AC S Type 3's - BMWP Strut Brace - Darklines - Spoiler

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Re: 130i to M135i Brake upgrade project

Post by unutterable83 » Fri Apr 15, 2016 10:58 pm

ImageImageImage

You officially have 1 follower... Such a good fit in my 17's!!


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2005 BMW 130i, M3 steering rack, adjustable toe arms, lower control arms, rear subframe, bilstein b12, braided lines, style 68m wheels ... LSD work in progress

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Re: 130i to M135i Brake upgrade project

Post by unutterable83 » Fri Apr 15, 2016 10:58 pm

I swear the logo is upside down!?


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2005 BMW 130i, M3 steering rack, adjustable toe arms, lower control arms, rear subframe, bilstein b12, braided lines, style 68m wheels ... LSD work in progress

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Re: 130i to M135i Brake upgrade project

Post by Anish1993 » Sat Apr 16, 2016 12:23 am

Those wheels look nice.. Any full photo's of the car?

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Re: 130i to M135i Brake upgrade project

Post by THETYRANT » Sat Apr 16, 2016 7:42 am

Nice one, suprised they fit under 17s but good job :)
--
Now on my 3rd 130i, this time a nice E81 in Graphite, Previously 2 x 130i and 2 x 135i

Camber plate project - http://www.babybmw.net/viewtopic.php?f=20&t=96465

Suspension Quest thread - http://www.babybmw.net/viewtopic.php?f=20&t=80208

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Re: 130i to M135i Brake upgrade project

Post by marco_polo » Sat Apr 16, 2016 8:04 am

M-Lite official winter wheel options are all 17's, BMW styles 379, 380 & 381.

Lots of 17's don't clear though.
Silver F21 M135i - ManBox - HK - Adaptive + Eibach Pro's - BBS CH-R's - BMWP Drexler LSD - TMC Piggyback - M4 LCA's - aFe Dry Filter

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130i to M135i Brake upgrade project

Post by unutterable83 » Sat Apr 16, 2016 3:17 pm

So.... overall I'm very happy (and grateful to THETYRANT)

Pros:
-Powerful yet very progressive- easy to modulate the power
-they look amazing
-they performed very consistently hot or cold
-they look amazing

Con:
- I run very lightweight wheels (7.9kg) and Non run flat tyres and the additional weight of the larger brakes has reduced the initial responsiveness under throttle (but to offset this the ride has become noticeably more controlled and compliant)
- the additional pedal travel (circa 30% but very subjective) has made the heel/toe a little less sublime than it was before- having to lean on the pedal a bit harder than before.

I run Castrol Super React fluid (its £12/L - bargain for the spec) and I use braided lines on both setups (which served to really increase the initial bite).

With a few more miles I will get some better photos but for now:
ImageImageImageImageImageImage


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Last edited by unutterable83 on Sat Apr 16, 2016 3:17 pm, edited 1 time in total.
2005 BMW 130i, M3 steering rack, adjustable toe arms, lower control arms, rear subframe, bilstein b12, braided lines, style 68m wheels ... LSD work in progress

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130i to M135i Brake upgrade project

Post by unutterable83 » Sat Apr 16, 2016 3:18 pm

Tips:
when cutting the rear heat shields, I didn't remove the handbrake shoes, just the top Spring clip and pushed them out the way to avoid the faff.

Original 130i heat shields front and rear.

Use an 11mm then 12mm drill to slowly enlarge the rear hub (most diy drills stop at 10mm so check!)

Easy job, once you've seen it done! 130i brakes for sale!
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2005 BMW 130i, M3 steering rack, adjustable toe arms, lower control arms, rear subframe, bilstein b12, braided lines, style 68m wheels ... LSD work in progress

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