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Technical Topics Suspension / Chassis / Brakes Any details on the G20 M performance brakes?

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      03-26-2020, 08:01 PM   #23
Burrcold
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Quote:
Originally Posted by blau3er View Post
Standard m340i gets 348mm discs and a smaller caliper body

Optional brakes (part of the package) are 374mm and the caliper body is substantially larger, so fills the wheel much better!

Still not as big as the G3x & G1x 395mm set ups though, which is an even larger caliper body - officially this is not available for G2x cars, but I can verify that they fit....
^^this. I wish the calipers were increased to 6 pot but meh can't complain too much for the price. Some happy I opted for this package.
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      03-27-2020, 09:27 AM   #24
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Quote:
Originally Posted by Burrcold View Post
^^this. I wish the calipers were increased to 6 pot but meh can't complain too much for the price. Some happy I opted for this package.
I will be fitting F90 6 pots with 395mm ///M discs if I replace my F31 with a G21 next year.

Thats if I dont sell the brakes before then!
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      05-04-2020, 11:36 AM   #25
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Quote:
Originally Posted by R99 View Post
G20 M Perf are 374mm only, unlike the G30 / G11 M Perf option which is a 395mm caliper body.

I have tested the G30 / G11 395mm caliper (with disc) on the G20 hub and it fits perfectly.

If anyone is interested, I have several sets of 374mm and 395mm calipers for sale in the classifieds
How do the weights/pad size compare between f & G series Brembo 6 pot calipers/pads ?
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      05-04-2020, 11:43 AM   #26
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Quote:
Originally Posted by R99 View Post
G20 M Perf are 374mm only, unlike the G30 / G11 M Perf option which is a 395mm caliper body.

I have tested the G30 / G11 395mm caliper (with disc) on the G20 hub and it fits perfectly.

If anyone is interested, I have several sets of 374mm and 395mm calipers for sale in the classifieds
Is the 395mm disc / caliper combo trialled on g20 4 or 6 piston ?

G series 4 or 6 pot calipers - my understanding is that the regular non-m car brembos are axially / lug mounted and m cars 6 pot brembos are radial mount - is that correct ??
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      05-04-2020, 12:29 PM   #27
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Quote:
Originally Posted by Bee Pee View Post
How do the weights/pad size compare between f & G series Brembo 6 pot calipers/pads ?
The Gxx 4 pot Brembos are massive compared to the F3x 4 pots - so I would suggest they are heavier by some margin.
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      05-04-2020, 12:36 PM   #28
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Quote:
Originally Posted by Bee Pee View Post
Is the 395mm disc / caliper combo trialled on g20 4 or 6 piston ?

G series 4 or 6 pot calipers - my understanding is that the regular non-m car brembos are axially / lug mounted and m cars 6 pot brembos are radial mount - is that correct ??
The X3m uses a 4 pot Brembo caliper (identical to the other Gxx 395mm caliper body) but with a model specific ///M 395mm disc. This is the disc that can be fitted to the Gxx hub in conjunction with any Gxx 395mm caliper. However the retaining scew hole does not line up.

The F90 M5 and F92 M8 use the radial mounted 6 pots with a 395mm ///M disc. The incoming X5m will use the same caliper, but will have a radial mount bracket from the factory. The same as the F85 X5m which used the same caliper as the F10 M5, but with a bracket from factory to allow fitment.

I have tried mounting a F90 M5 disc with Gxx 395mm caliper body on G20 hub, and the F90 disc has a hat height discrepancy, which prevents fitment.
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      07-15-2020, 08:16 AM   #29
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Originally Posted by jcrosa View Post
Thanks! And also thanks for Google Translator helping me dealing with German...
Did you get a good translation using Google? I got a very strange text.
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      07-17-2020, 04:31 AM   #30
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Does anyone have the part numbers for the retrofit of the blue caliper brakes?

My M-sport was new old stock, so I didn't get to spec it. It came with the M suspension but none of the other stuff from the track pack.

I see the M Power brake setup is around 2400 euro at best...

Thanks.
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      08-02-2020, 11:06 PM   #31
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Quote:
Originally Posted by helmet91 View Post
Does anyone have the part numbers for the retrofit of the blue caliper brakes?

My M-sport was new old stock, so I didn't get to spec it. It came with the M suspension but none of the other stuff from the track pack.

I see the M Power brake setup is around 2400 euro at best...

Thanks.
This is what I gathered - mine wasn't spec with the msport brakes too (320i in this part of the world excludes the brakes). Just note that for some (e.g. the actuators) there are multiple part numbers, for example its 34208832470 on my EU spec G20.

I know for mperformance brakes you have to take care of DSC coding, does anyone know what happens if we retrofit an msport blue brakes onto a G20 without msport brakes? Any coding required to avoid any mushy brake feeling?

02NH Blue Sport Brake Set

● 2x blue front brake calipers (34116891273 + 34116891274), or 34116891283 + 34116891284

● 2x brake discs front size 348 X 36mm (34116860911+ 34116860912)

● 2x blue rear brake calipers and housing (34216894081 + 34216894082 + 34216894087 + 34216894088) or
34208836845 + 34208836846 + 34206894087 + 34206894088

● 2x EMF actuator (34216894091)

● 2x brake discs rear size 345 X 24mm (34216860925)

● Brake pads front (34116888457 or 34116889570)
Rear (34206888835)
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      02-05-2021, 04:21 AM   #32
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@alienz sorry I missed your post, thanks for that.

Looks like the M-Performance setup is a much better option than retro-fitting the M-Sport from the dealer. It's a good $5100 of parts from GetBMWParts!!


Now to figure out if the M-Performance brakes will fit behind my winter setup's 18" BBS XR ET +28 wheels.
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      02-05-2021, 06:37 AM   #33
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Much cheaper to source the calipers from ebay etc!
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      02-05-2021, 07:46 AM   #34
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Perhaps so, but I think I'd prefer everything all in one package and not have to deal with piecing together used parts from totaled or scrapped vehicles.

Besides, I'm starting from the base brakes on a 330i...
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      02-05-2021, 09:13 AM   #35
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Quote:
Originally Posted by helmet91 View Post
Perhaps so, but I think I'd prefer everything all in one package and not have to deal with piecing together used parts from totaled or scrapped vehicles.

Besides, I'm starting from the base brakes on a 330i...
Lots of parts come from BMW test cars and have delivery mileage, these are cars that haven’t been in an accident.

Personal preference though, if you have the disposable money to throw at at and pay the premium then fair enough!
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      02-05-2021, 01:20 PM   #36
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Does any know the part number for the M Performance discs that have the patterns on this disc ?
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      03-15-2021, 06:25 AM   #37
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Quote:
Originally Posted by alienz View Post
This is what I gathered - mine wasn't spec with the msport brakes too (320i in this part of the world excludes the brakes). Just note that for some (e.g. the actuators) there are multiple part numbers, for example its 34208832470 on my EU spec G20.

I know for mperformance brakes you have to take care of DSC coding, does anyone know what happens if we retrofit an msport blue brakes onto a G20 without msport brakes? Any coding required to avoid any mushy brake feeling?

02NH Blue Sport Brake Set

● 2x blue front brake calipers (34116891273 + 34116891274), or 34116891283 + 34116891284

● 2x brake discs front size 348 X 36mm (34116860911+ 34116860912)

● 2x blue rear brake calipers and housing (34216894081 + 34216894082 + 34216894087 + 34216894088) or
34208836845 + 34208836846 + 34206894087 + 34206894088

● 2x EMF actuator (34216894091)

● 2x brake discs rear size 345 X 24mm (34216860925)

● Brake pads front (34116888457 or 34116889570)
Rear (34206888835)
alienz I may have found a set of M-sport calipers, discs and pads off an M340 wagon for a really good price.

Do you know the part number for the dust shields? I think that's the only thing missing.

Thanks!
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      03-24-2021, 05:36 PM   #38
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so curious about people with more knowledge on this subject than me .
if I understand correct the Mperf brakes not worth it if coming from Sport brakes

but for someone like me with the base (non Sport brakes) is this worth it in your opinions? especially with limited options for upgrading the brakes
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      03-25-2021, 05:36 AM   #39
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Quote:
Originally Posted by chris_portimaog20 View Post
so curious about people with more knowledge on this subject than me .
if I understand correct the Mperf brakes not worth it if coming from Sport brakes

but for someone like me with the base (non Sport brakes) is this worth it in your opinions? especially with limited options for upgrading the brakes
Yes and No.
Yes, if you have the M Sport 348mm and source the front 374mm only from a donor car, say an upper 5 or 7 series, these might not be blue coloured though as they are the same as the M Performance for the G20 in size.

No, if you have the track pack as they are 374mm already and you'll be forking out a shed load of £$ just to change the colour only and again no if you are coming from a stock 348mm M Sport set up and buy the M Performance brakes as a set as although you'll move up in size and power in the front, you could save yourself a ton of cash by doing the above and as already been mentioned M Sport or M Performance the rears caliper stays the same size.

To answer your question regarding yourself. No it's not worth the money, going for M Performance for the power your engine has and assuming your on 18" wheels it can't be done as you need a min of 19" for the M Performance, so if you want an upgrade then the 348mm M Sport's will do the job.
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      03-25-2021, 08:52 AM   #40
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Quote:
Originally Posted by OM3RTA View Post
Yes and No.
Yes, if you have the M Sport 348mm and source the front 374mm only from a donor car, say an upper 5 or 7 series, these might not be blue coloured though as they are the same as the M Performance for the G20 in size.

No, if you have the track pack as they are 374mm already and you'll be forking out a shed load of £$ just to change the colour only and again no if you are coming from a stock 348mm M Sport set up and buy the M Performance brakes as a set as although you'll move up in size and power in the front, you could save yourself a ton of cash by doing the above and as already been mentioned M Sport or M Performance the rears caliper stays the same size.

To answer your question regarding yourself. No it's not worth the money, going for M Performance for the power your engine has and assuming your on 18" wheels it can't be done as you need a min of 19" for the M Performance, so if you want an upgrade then the 348mm M Sport's will do the job.
I have 19'' btw and according to Bmw 18'' is a minimum the the Mperf brakes. but its not even an option according to my dealer, it is discontinued/can't be ordered so I guess blue sport brakes are my only option if wanted to upgrade
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      03-25-2021, 09:13 AM   #41
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Quote:
Originally Posted by chris_portimaog20 View Post
I have 19'' btw and according to Bmw 18'' is a minimum the the Mperf brakes. but its not even an option according to my dealer, it is discontinued/can't be ordered so I guess blue sport brakes are my only option if wanted to upgrade
Yes, your right my bad 18"s are fine. I did notice a while back that they had disappeared from the UK site as well. I wonder if it has got anything to do with the fact that they now offer you the choice of colour on your M Sports....still, not the same as actually moving up MM but can't think of any other reason other than a shortage
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      03-25-2021, 09:16 AM   #42
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Quote:
Originally Posted by chris_portimaog20 View Post
I have 19'' btw and according to Bmw 18'' is a minimum the the Mperf brakes. but its not even an option according to my dealer, it is discontinued/can't be ordered so I guess blue sport brakes are my only option if wanted to upgrade
They still have them up for sale in the US.

https://www.getbmwparts.com/oem-part...b3J5IFBhZ2U%3D
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      03-25-2021, 02:50 PM   #43
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Quote:
Originally Posted by Donia330i View Post
They still have them up for sale in the US.

https://www.getbmwparts.com/oem-part...b3J5IFBhZ2U%3D
getbmwparts has only domestic shipping
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      03-25-2021, 02:52 PM   #44
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Quote:
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getbmwparts has only domestic shipping
Really? Thats interesting. BMWPARTSPROS?
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