Brake upgrade options

jenniferlouise

Senior member
St Neots, Cambridgeshire
Hi all, newbie jenniferlouise here… hoping that some of you good people can signpost me to the best threads in the forum to learn about E89 braking component upgrade options.

My 23i is in need of new discs anyway and the standard fit discs and callipers look a bit pathetic inside the 19” upgraded alloys. Possibly a personal thing but I feel it’s letting it down. Parked next to a 1 series diesel today sporting twin piston M Sport blue front calliper with matching rear and sulked a little.

I’ve been researching through a US (I think) forum ZPost which has a helpful list of compatible OEM solutions that plug & play. I’ve already priced a 2-series BMW Performance kit with Barons (clearly advised by helpful parts guy that they cannot guarantee fit). This gives me 370mm discs and 6 piston yellow callipers (very keen on this for my black car). But, the quoted kit includes rear callipers too, and helpful US forum says NO - the e-brake to the rear cannot be made compatible with manual handbrake solutions.

So, keen to hear what others have done. I have a budget. Ideally I’d like to stay OEM (conscious there is no specific kit for Z4) but would consider an alternative.

Thanks for any help. I don’t FaceBook but Jennifer does and is seeking any insight through local groups. I thought I’d come straight here… feel free to add any links, comments, warnings, pictures, suppliers and supply/fit options.
 
The rears will be problematic, but for the fronts your best option is probably the blue calipers you saw on the 1-series.
 
Peter [ref]Pbondar[/ref], for one has done a thread on this, there are several others

https://z4-forum.com/forum/viewtopic.php?f=46&t=123860&hilit=Bbk+PBondar

I think Peter may also have a spare set of refurbished brakes of some description
 
Thanks guys really appreciate the fast responses. The post by Pbondar is definitely of interest. I’ve followed some of the links and have just emailed Cotswold BMW for an updated price on the 34110444738 front kit (from the 330i). I’ll also contact Peter to see what else I may need to know. Happy to take other suggestions and recommendations.
 
jenniferlouise said:
Thanks guys really appreciate the fast responses. The post by Pbondar is definitely of interest. I’ve followed some of the links and have just emailed Cotswold BMW for an updated price on the 34110444738 front kit (from the 330i). I’ll also contact Peter to see what else I may need to know. Happy to take other suggestions and recommendations.

Will be worth contacting Sopers in Lincoln they are giving reasonable discounts to Forum members if you ask nicely!
 
Thanks, I will def try Sopers. Cotswold have already responded to an email and I await their suggestion and pricing. A
 
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