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      05-20-2018, 11:59 PM   #111
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Quote:
Originally Posted by fran_br View Post
When i saw the Z4 v8 post i felt in love with the 400mm rotors of the M5 F10.. well.. i only hope that it fit in my wheels
Please let us know how this turns out. I was looking into this originally.
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      05-26-2018, 05:05 AM   #112
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Work in progress. Seems that all will be OK and i dont need to change the wheels

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      06-03-2018, 05:02 AM   #113
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Quote:
Originally Posted by fran_br View Post
Work in progress. Seems that all will be OK and i dont need to change the wheels
looking good, please share any special parts where used for this ?
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      06-04-2018, 06:02 AM   #114
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first we made and size an iron 'prototipe', now the pieces are in the CNC to make it in aluminium. I will post picks when they come.

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      06-05-2018, 03:38 PM   #115
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Quote:
Originally Posted by fran_br View Post
first we made and size an iron 'prototipe', now the pieces are in the CNC to make it in aluminium. I will post picks when they come.

Ok, please dont hold back cause I want also . Btw I think you will need to change your brake slave cylinder. The M5 one should work.

Keep us posted though
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      06-14-2018, 04:16 AM   #116
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Hi Fran

How did you get on with the 400mm M5 kit?

Also, what size wheels are you looking to put them under?

Cheers

Scootz
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      06-15-2018, 11:35 AM   #117
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Hi scootz. I buy it for about 1750€ via ebay. First i bought a carbon fiber brakes from a BMW M4 but i read a lot of negative points of the CCB and then i buy the M5 KIT.

The wheels will be the same. Stock 19'er

regards!
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      06-16-2018, 07:05 AM   #118
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Thanks Fran!
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      08-24-2018, 03:52 PM   #119
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Quote:
Originally Posted by rif75 View Post
Hey guys,

There is a picture of my breaks with brand new 370mm rotors
Hi, could you tell me the code and where did you buy them and cost? Are they P&P?
Tks
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      10-30-2018, 01:34 PM   #120
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With some delay, finally we have the adapters
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      11-05-2018, 02:42 PM   #121
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Master cylinder compatibility

I am looking at purchasing the BMW 34112450468 M performance kit which includes the following for my 2010 E89 3.0. I have 18" wheels already. My question; Is the caliper set compatible with the stock master cylinder 25mm front bore and 22mm rear bore. The stock E89 pedal travel is already too long and I don't want to make it worse. Has anyone changed MC's and if so which one did you use?


370x30 mm discs[/I] with 4-piston-calipers (for min. 18" wheels):

4-piston-calipers yellow: 34106855475 + ...6
4-piston-calipers red: 34106855477 + ...8
4-piston-calipers orange: 34106855479 + ...80
discs 370x30 mm (perforated): 34106797603
dust cover: 34116792237 + ...8
brake pads: 34116859066


The 370 mm BMW Performance brakes are the better solution for upgrading the Z4 than the 340 mm and the only possibility for Europe to get a legal p&p solution for the 35i/35is.
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      02-03-2019, 07:44 AM   #122
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Thats a nice setup, Porsche Cayenne brakes on E89.


Anyway, i have the opportunity to get m4 Front Brake Kit 34116799469 with 380mm Front Brake Discs in almost new condition. Have we confirmed the fitment on these? All I see is the 370mm disc. Thanks
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      02-04-2019, 10:42 AM   #123
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Quote:
Originally Posted by Vetracr View Post
I am looking at purchasing the BMW 34112450468 M performance kit which includes the following for my 2010 E89 3.0. I have 18" wheels already. My question; Is the caliper set compatible with the stock master cylinder 25mm front bore and 22mm rear bore. The stock E89 pedal travel is already too long and I don't want to make it worse. Has anyone changed MC's and if so which one did you use?


370x30 mm discs[/I] with 4-piston-calipers (for min. 18" wheels):

4-piston-calipers yellow: 34106855475 + ...6
4-piston-calipers red: 34106855477 + ...8
4-piston-calipers orange: 34106855479 + ...80
discs 370x30 mm (perforated): 34106797603
dust cover: 34116792237 + ...8
brake pads: 34116859066


The 370 mm BMW Performance brakes are the better solution for upgrading the Z4 than the 340 mm and the only possibility for Europe to get a legal p&p solution for the 35i/35is.
Installed M2/4 Sport brake kit, Brembo calipers and 370x30mm rotors. Only problem was I had to grind down pad weights to clear wheel balancing weights. It fits that closely.
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      02-20-2019, 03:38 PM   #124
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I just ran a track day event with the M2 Sport brakes and Cool Carbon brake pads. The car now stops like my old race car, awesome braking, stability and a firm pedal through 3 sessions. I found myself over braking as the brakes with the Cool Carbon pads really have initial bite. I'm sold. I'm glad I spent the money. These are as good a street brake set up you
are going to get.
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      03-24-2019, 02:20 PM   #125
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Does it fit 18" wheels

Quote:
Originally Posted by Vetracr View Post
Installed M2/4 Sport brake kit, Brembo calipers and 370x30mm rotors. Only problem was I had to grind down pad weights to clear wheel balancing weights. It fits that closely.
No problem with 18" wheels?
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      04-06-2019, 03:55 PM   #126
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Only problem with 18"wheels I found was weights on Brembo brake pads interfered with wheel balance weights which were installed before new brakes. I had to grind down brake pad weights to clear.
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      05-20-2019, 02:49 PM   #127
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Quote:
Originally Posted by BQ Tuning View Post
This ONLY applies to those who have the E89 Z4 sDrive 35i (not the 35is) with 18" or 19" wheels

The E89 Z4 sDrive 35i stock rotors are 330X24 . The Z4 sDrive 35is stock rotors are 348X30

Also the calipers on the 35i vs the 35is are also not the same . In a whole nut shell the 35i got the 330i front brakes

The 6 piston BMW Performance BBK will be the "budget upgrade kit" for the 35i

https://www.ecstuning.com/b-genuine-...m/34110444738/

Of course the brake pad sensor that comes with this BBK is not for the Z4 so you will need the OE or OEM brake pad sensor for the Z4

In addition we added SS lines, and went with the OEM 6 piston brake pads







I have advocated to see if ECS Tuning can put a kit together specifically for the 35i

Those with the 35is yes it would make sense to go with the F30 setup if not on a budget cause this BBK is not necessarily an upgrade for the 35is ie bigger calipers yes, but smaller rotors. The 6 piston BBK shown here is not compatible with a 348x30 rotor. We tested this today and it does not fit.

" The 6 piston BBK shown here is not compatible with a 348x30 rotor. We tested this today and it does not fit."

Hi,

can you please give us more explanations about why it doesn't fit with the 348mm disc? Is it a clearance issue?

And you or anyone know if it is possible to fit the 348mm disc with the F30 4 pots Brembo caliper? Thanks!
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      05-30-2019, 03:09 AM   #128
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I have been through a couple of different pads on track and posted my experience here. I just wanted to remind everyone here that if you want better braking on street or track, all you really need is suitable pads and brake fluid. You don't actually need a BKK. Take it from someone running a BBK.

Want more bite on street? Get pads with higher friction. They will dust more and things will wear faster, but they feel great.
Want legal pads? Sorry they will have roughly the same friction coefficient as oem pads.
Want to be able to push lap after lap on track? Get full-on track pads. Not sport pads. Not track day pads. Full track pads. And don't run them on the street.

You can get a BBK for many good reasons. Looks. Weight. Adjusted brake bias. Larger pads and more even pad wear. Longer or shorter pedal travel. Lower chance of piston seals leaking due to overheating etc. But ultimately your stopping distance on the street is decided by the tires you run. Not the brakes.

The rest is just about feelings. And most of the brake feel will come from the pads and how well they are bedded to the rotors. As an example, I got slightly longer brake pedal travel with my bbk, because the pistons up front were a wee bit larger than OEM, but this was altogether compensated for by running higher friction pads that bite as soon as they hear the shadow of a rotor. On the other hand, you can run the best BBK, and pedal feel will still be terrible if you run terrible pads.
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      09-27-2019, 08:37 AM   #129
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Newby here...just got myself a 2013 E89 35i M-Sport (UK version)

bolt on mod so far : changed rear 324mm rotors to MTec cross drilled/grooved discs (kept same 324mm size) and Mintex pads....

Question is: seeing all of the above, i am still confused what type of brake kit fits the front - (i m after a BBK / M Performance kit) - OEM discs are 348mm and need changing anyways so i need both disc & caliper that fits snuggly within the 326 M Double-Spoke style 19'' wheels.

Help pls
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      11-11-2019, 11:47 AM   #130
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Will this front brake set-up work? 2009Z4 35i

Referencing post #32:

I have the following 34116799469 + ...70 blue calipers:

1.2 335i M-Sport brakes:
4 piston calipers: 34116799469 + ...70 = BLUE
discs 340x30 mm: 34116792223
brake pads: 34116859282
I would like to use a 370mm rotor 34106797603 and it has been said that these work with the other color calipers (see below):

2. 370x30 mm discs with 4-piston-calipers (for min. 18" wheels):
4-piston-calipers yellow: 34106855475 + ...6
4-piston-calipers red: 34106855477 + ...8
4-piston-calipers orange: 34106855479 + ...80
discs 370x30 mm (perforated): 34106797603
Also it has been said that the colors of the yellow, red, orange calipers above is the only difference and the reason for a different part number is this also true for the blue as well?

So my set-up would be the following:
4 piston calipers: 34116799469 + ...70 = BLUE
brake pads: 34116859282
discs 370x30 mm (perforated): 34106797603
Again will this front brake set-up work?

I've researched until I am blue in the face (pun intended) I put the blue calipers on with the factory 330mm rotors and it appears that there is plenty of room for the larger 370mm diameter rotor.

My 2009 Z4 35i is currently in the shop getting mods and painted so please reply and thanks!

Also if this has been answered before I just couldn’t find it.

Regards,
Brian
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      11-11-2019, 10:25 PM   #131
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Garage List
Dear All,
I am wondering has anyone here ever installed a bigger bore brake master cylinder to their Z4 E89? The reason I am asking is that I am looking for a much firmer feel and shorter pedal travel.
I appreciate if anyone can shed me light on this.

Regards,
Elvis
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      11-15-2019, 03:30 PM   #132
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Quote:
Originally Posted by nuebbes View Post
No problem mate. They even have 348 mm.




Please see my post #32 - there I already mentioned the correct p/n's for the brakes.

And no, the caliper for the 340 mm disc is not p'n'p with the 370 mm disc. There is no spacer bracket available.
The best deal for you is to buy the complete 370 mm kit.

If you want to powder coat the calipers, you have to disassemble the complete calipers anyhow (incl. pistons ect). Sand blasting must be done for all calipers as well - so you have the choice of color also for the 370 mm calipers.

You can also paint the calipers with heat resistant paint - the OEM calipers are also just paint coated. So you just need color which resists min. 280°C.
By using paint coating you can also tape the pistons and you do not have to disassemble the complete calipers (although the complete disassembly would be the more quality way to go also for paint coating).



Correct regarding the calipers/ discs with the spacer.

I think the pistons should be identical because the repair/ sealant kit for the calipers are always the same as from 114d to M4 and even i8 (P/N 34116850935).

Please explain your theory regarding the smaller pistons at bigger discs more in detail.




The i8-brake could perhaps also fit to the Z4:
Rotors: 340 x 29 mm: 34116858623
4-piston-calipers (black&blue painted): 34116868231 + ...2
Brake pads: 34106866072

Hi,

did anyone ever test to fit the i8 calipers???

rotors are not the same, they have 5x112 fitting pattern.

Thanks
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