[lonecitizenfour]

Got these with rotors and pads for $500 or so. Previous owner had some kind of regular gold spray paint. Removed it with Citrus Strip and used VHT Primer + Paint + Gloss and high temp decals from eBay.

Not the best but it will do

With about $120 in materials... maybe I should have just bought pristine m-sport brakes haha.

before:





Upgrading from stock 428i Brakes (304/310mm front I think, 300 rear) to 340x30 front Brembos, and 345x25? Rears!

[bmwchue]

340x30 front
330x20 rear

The 345 are for the blue m sport or m performance 2 piston rear calipers

[lonecitizenfour]

ah got it. Thanks!

[lonecitizenfour]

Originally Posted by bmwchue

340x30 front
330x20 rear

The 345 are for the blue m sport or m performance 2 piston rear calipers

I think it's 330x24 rear.
Is it same for both 428 and 435? These M-sports came off a 435.

[bmwchue]

330x20
https://www.turnermotorsport.com/t-b...ke-differences

428i/435i are different

[lonecitizenfour]

Originally Posted by bmwchue

330x20
https://www.turnermotorsport.com/t-b...ke-differences

428i/435i are different

But I have a 428... putting on 435 brakes?

[bmwchue]

yes your 428i front rotors are 330x24 and the rear are 300x20
since you are doing the 435i conversion (not the blue ones) the front rotors you will need are front 340x30 and rear are 330x20

[lonecitizenfour]

Originally Posted by bmwchue

yes your 428i front rotors are 330x24 and the rear are 300x20
since you are doing the 435i conversion (not the blue ones) the front rotors you will need are front 340x30 and rear are 330x20

btw, thanks for this. I double checked with your post and part # when I was ordering rotors and pads (got eLine from r1 concepts).

Did you have to replace your front dust shield? it looks like they're all the same... at least for 428i XDrive and 435i XDrive (didn't check m-performance or m-sport brakes though) I do have the rear dust shields though.

[bmwchue]

I know the front won't rub the 370mm rotors so 340 should be fine. as for the rear I'm sure