diff

Hey, y'all. Got my first Z3 a few months back and have since noticed the classic "diff whine" issue. I found this single photo in a recent service record that shows the diff case is leaking. It was not addressed at the time of service. Being a newbie I'm looking for insight and maybe some...

Hi everyone! I’ve just joined the forum so I thought I’d introduce myself. I worked in a BMW dealership for nearly 20 years at Senior tech level before starting my own BMW diff repair business. I have been racing in BMW championships since 2012 in my S54 powered E36 and I’m still involved in...

I realise I'm late to the party with my day-old z3, but where does one get the rear diff reinforcement done these days, as near as berkshire as possible? Cursory inspection of boot seems to show some popped spot welds, and I also have an occasional 'clonk' when releasing the power quickly... I...

Well, I have been working on the zed quite a lot recently. You might have seen a few of my threads moaning about everything going wrong, but im finally making progress and its going well. I have got a fitting kit and hardtop in Boston green which are damn hard to come by in my colour, ive only...