BMW E30 Brake Booster & Master cylinder Restoration | BMW E30 325i Sport Project S1 E3

13 Oct 2018 17:26 889
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Thanks for watching this weeks episode of the BMW E30 325i series. There is so much in the works for this car so get subbed with the bell on to see the episodes as soon as they are released!

For those of you who aren't sure what this is or what it does and would like to know. Watch this very helpful video.

- Auto Tech Labs -
https://www.youtube.com/watch?v=bGKJOICWmFQ

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Tools & equpitment used:
CLASSIC E30 STICKERS HERE - goo.gl/xWgACz
Quartz Lacquer - https://goo.gl/8PTVKM
Base Coat Paint - https://goo.gl/mWhufG
Rust Remover - https://goo.gl/13gopW
Moldex Full Face Mask - https://goo.gl/NNYGrv
FGL 5 Spray gun - https://goo.gl/Acg5rd
A.N.I. R150-T Mini Spray gun - https://goo.gl/cHTJS2
Colad Washable Overalls - https://goo.gl/3Css9E
Colad Mixing Cups - https://goo.gl/8DYmE8
Colad TurboMix Sticks - https://goo.gl/cYZfks
Colad Synthetic Paint Strainers - https://goo.gl/H79ZgL
Steel wire bits - http://geni.us/keyaD
Rotary Tool - http://geni.us/HGed
Concentrate Degreaser - http://geni.us/yUn9
Mannesmann Socket Set - http://geni.us/HCDZ

As mentioned in the video, this week I am restoring a part from the E30 that I have already restored. So I purchased this brake booster and master cylinder to show the process. This particular master cylinder would need serious internal work or replacing altogether. I purchased an internal seal kit but when I got in there, the second half of the assembly was well and truly stuck. So, I just got on with the aesthetic of it as I'm not actually using this on my E30. I will show the process of replacing the seals in my actual brake master cylinder in a future video.

Firstly I disassembled the booster and master cylinder. I then degreased everything before plugging any holes with Polydoh. Once sealed, I blasted them both to remove any paint and rust. With the pieces now mostly clean of rust and paint, I set about removing the rest with a rotary tool and wire wheel. I also filed a few nicks in the metal down. before etching priming and then high-build priming. I then sanded back the primer ready for base coat and lacquer. Whilst they dried, I cleaned the other small pieces with concentrated degreaser and elbow grease and trimmed the rubber hose's protection fabric.

Once they had dried it was time to reassemble. I purchased some new rubbers, o rings, and some air filter material. I placed the air filter in the gap and began added parts to the booster. Once assembled the restoration was complete.

Thanks for watching!

- Disclaimer: I am no professional. Especially when it comes to electrics. It is certainly an area I am looking to improve in. I am completely self-taught and would appreciate any feedback, advice or constructive criticism.

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