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Hi guys nick here just purchased a 323 rear axle with discs to convert my 320 to discs from drums I'm keeping my shocks and diff but what do I need to do to brake lines to convert all rear end I've had blasted and painted new bushes . Tried looking on realoem but I need a chassis number to look can anyone advise me thanks

You'll need 323 handbrake cables.

Thanks mark got handbrake cables mate just wondering if I would need a different regulator

having done this myself you don't need to change anything but the actual arms / brakes calipers and disks, the rest of the system is the same as the 323i

Thanks for that just building the rear end back up now ready to fit will post pics soon