Brembo GT Kit and CSL/ZCP Wheels fitment question

[maximus5403]

I am looking to purchase a Brembo GT kit front and rear for for my E46 M3 Comp. I am wanting to run these without a spacer on the factory 19" wheels. Would the 380mm kit fit? If not would the 355mm kit fit without a spacer? I have asked a few Brembo dealers but couldn't get a definitive answer.

[jvit27]

IMO you actually want a spacer up front with the 8J ZCP wheels anyways... I have the same 380 kit and fitted them. Rear wheels up front will clear without spacer but fronts will not. I think you need a 10 or 12mm at the minimum.

Rotor diameter won't affect 19's. The caliper clearance dictates what effective offset you need to clear the spokes.

You can use the printable template to do a test:

https://www.bimmerworld.com/1M1-9001A.pdf

[George Hill]

https://www.racetechnologies.com/

Will either have the caliper template on their website or they can email it to you.

[maximus5403]

IMO you actually want a spacer up front with the 8J ZCP wheels anyways... I have the same 380 kit and fitted them. Rear wheels up front will clear without spacer but fronts will not. I think you need a 10 or 12mm at the minimum.

Rotor diameter won't affect 19's. The caliper clearance dictates what effective offset you need to clear the spokes.

You can use the printable template to do a test:
https://www.bimmerworld.com/1M1-9001A.pdf

Thank you!