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Cheap Brakes Upgrade

2003 - 2009, roadster, coupe, facelift
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kis
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Cheap Brakes Upgrade

Post by kis » Sun Apr 22, 2018 6:15 pm

I’ll take a look at the e46 route. Good shout TomK :thumbsup:
My E85 Z4 3.0i SMG

BMW Family History (past and present):
1 Series - E87
3 Series - E46 Coupe, E46 M3, E90 (x3)
4 Series - F36, F82 M4
5 Series - E34 (x2), E39
7 Series - E32
X5 - E53, E70
X6 - E71

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Vanne
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Cheap Brakes Upgrade

Post by Vanne » Mon Apr 23, 2018 9:14 am

Id be in for a set as well Gazz :)

cheers, lovely work mate :thumbsup:
2007 EuroSpec Z4///MC Building/Developing Z4 GT3
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ph001
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Cheap Brakes Upgrade

Post by ph001 » Mon Apr 23, 2018 9:18 pm

I must be missing something here. How does a backing plate upgrade the brakes?
2007 E85 Z4 3.0Si manual :driving:
19" CSL's | Eibach Springs | Aeroskirts | Z4M front bumper | Clear brake light | ZHP | RCH+| Stubby

2004 E46 M3 coupe manual - gone but not forgotten.

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Scooba_Steve
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Cheap Brakes Upgrade

Post by Scooba_Steve » Mon Apr 23, 2018 10:05 pm

ph001 wrote: Mon Apr 23, 2018 9:18 pm I must be missing something here. How does a backing plate upgrade the brakes?
Cooling duct.

I'd be up for a set if they fit the 3.0si - one of mine has recently become unattached to all three bolts!
3.0si Sport: F10 Illuminated ZHP, Retrofit Cruise, OE Stubby, Gaptech RCH+, Kenwood BT73DAB + Handsfree, HIDs, LED Sidelights, OE LED Number Plate Lights, Custom LED strip bootlight.

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ph001
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Cheap Brakes Upgrade

Post by ph001 » Mon Apr 23, 2018 10:33 pm

Ok, I get the cooling duct bit, but am still at a bit of a loss as to why the backing plate makes much of a difference???
2007 E85 Z4 3.0Si manual :driving:
19" CSL's | Eibach Springs | Aeroskirts | Z4M front bumper | Clear brake light | ZHP | RCH+| Stubby

2004 E46 M3 coupe manual - gone but not forgotten.

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TomK
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Cheap Brakes Upgrade

Post by TomK » Tue Apr 24, 2018 11:35 am

ph001 wrote: Mon Apr 23, 2018 10:33 pm Ok, I get the cooling duct bit, but am still at a bit of a loss as to why the backing plate makes much of a difference???
The backing plate is designed such that it allows a hose to be attached that is connected from some entry on the front bumper which vents cool air directly to the centre of the disc. The centrifugal vanes of the disc pull this air through the disc allowing much much better management of disc temps. My discs on track are getting to around 600c which is a little on the high side and whilst removing the oem ones completely may help a little this would expose the ball joints to these temperatures directly. The standard Z4m air 'ducts' in the fangs do bugger all for getting cold air even into the wheel well.
There is a great write up on here by exdos with another perhaps slightly cruder (in terms of the backing plate) diy for a similar idea.
MC[IB], CSL airbox, Schrick 288/280 cams, 4.44FD, UUC SSK, SS race cat back, AP CP9660[F]/5144[R] brakes, Apex ARC-8 with AR-1 or PS5, KW ClubSport 2-way, Turner spherical arms, PMC uniball rtab, VB engine mounts, Rogue pulleys & RSMs, Tillett B6, half cage

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ph001
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Cheap Brakes Upgrade

Post by ph001 » Tue Apr 24, 2018 5:30 pm

Now I get it. Thanks for explaining.
2007 E85 Z4 3.0Si manual :driving:
19" CSL's | Eibach Springs | Aeroskirts | Z4M front bumper | Clear brake light | ZHP | RCH+| Stubby

2004 E46 M3 coupe manual - gone but not forgotten.

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