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Tii Brake Master Cylinder...Genuine or Generic ??


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Sorry if this has been kicked around

My 1973 Tii MC is leaking and Bavarian Autosport has a genuine BMW Part 34 31 1 120 478 for $335

I see many generic brands in a google search for lesser amounts. I don't mind spending the $335

Just want to know what you think



Edited by Russkcpa

1973 Tii Turkis

1983 320is Henna

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Save yourself a little money and just buy the master cylinder made by Ate which is available from many parts vendors.  It's the same part that you'll end up getting from BMW.




You'll also need to buy 2 of the rubber grommets: 34 31 1 121 911

and maybe 2 new plastic elbows: 34 32 1 102 282

and probably some new brake fluid hose: 21 52 1 163 714

and maybe a new brake fluid reservoir: 34 32 1 112 399

and of course there's the brake fluid: http://www.rmeuropean.com/Products/81229407512-MFG4-V5471.aspx

and maybe a pressure bleeder like the ones made by Motive.

Sorry, scope creep :)




Edited by JohnS

1973 tii Inka - Oranjeboom

1974 tii Fjord/Primer - The Thrasher (my daily driver since 1986)

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Don't buy a "generic".

 Buy a name brand like ATE, TRW, Lucas (yes, that Lucas, but the brake division is fine) or FAG or likewise.  Probably $200,

and if it's ATE, it'll be what's in the Genuine BMW white box anyways.

Beck- Arnley will likely be one of the above, for less $.  Likewise, Raybestos or other "known" US brands.  Most of the time.  Not guaranteed.

Most online vendors let you return things if you say "What's in the box wasn't what I was expecting" especially if you're ordering a different

version of the part at the same time, so sometimes I play that game, if the savings makes a difference at that point in my life.


Centric will be made in China.  And may work fine.  But I'm a traditionalist.


What I've found, anyways...


"I learn best through painful, expensive experience, so I feel like I've gotten my money's worth." MattL

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