Brake servo relocation inside cabin

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B5234FT
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Thu Feb 08, 2018 1:32 pm

Has anyone done this like the E30zone wiki?

http://www.e30zone.net/e30zonewiki/inde ... M6x#Brakes

I like the idea of leaving the master cylinder and fluid reservoir in the engine bay if possible and the servo in the cabin, however details are limited on what parts are used and how the linkage inside is dealt with.

Has anyone done it and able to lend further info or pics?

Otherwise, can anyone advise on whats involved in the clio servo swap?

Thanks
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B5234FT
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Wed Feb 14, 2018 9:30 am

No one?
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Brianmoooore
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Wed Feb 14, 2018 10:14 am

Clio servo swap is just replacing the large diameter E30 servo with the smaller Clio one, usually to make room for the inlet manifold on a M5x conversion.
AFAIK (which isn't much) this has no application in a M6x sap.
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B5234FT
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Wed Feb 14, 2018 2:16 pm

Yeah I'm mainly interested as it would also be a smaller unit to put behind the glovebox, but its much talked about with little detail, such as whether the BMW master cylinder fits the clio servo, or do you need to use the clio one, does the clio servo stud pattern match the BMW bulhead etc.

The pics on the M6x wiki page show the OEM master alongside the V8 cam cover, leaving all service fluids in the engine bay, with the servo mounted inside. This seems a good way to go but there is no detail of what servo is used, or how the linkage was sorted.

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Brianmoooore
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Wed Feb 14, 2018 4:16 pm

E30 MC bolts directly to the Clio (plastic wing models), but need a small spacer between the two. This spacer is just a short piece of 8mm steel rod/cut down bolt. Exact length is determined by measurement.

It's also possible to move a standard E30 servo and MC further outwards on the bulkhead (enough to clear a M5x) on a RHD car, using an E34 pull rod and a modified bell crank bracket. Something like this, with the bulkhead sandwiched between the servo and MC and a more extensively modified bell crank might meet your requirements, although the crank will be too far back for the pull rod to run behind the heater.
Second bell crank ans short pull rod required?
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V8turd
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Fri Dec 07, 2018 1:24 pm

There is no way you can have servo and related items in the bay once you put a v8 in there no matter how small a servo it is.
I had the servo mounting assembly modified to rotate the servo 90 degrees and it now lives where the glove box used to
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B5234FT
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Fri Dec 07, 2018 3:52 pm

I'm not suggesting putting the servo in the engine bay, just the master cylinder.

I've done the same as you for just now, but I'd prefer not to have fluids to top up in the footwell.

Thanks
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Brianmoooore
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Fri Dec 07, 2018 7:09 pm

Fluid reservoir can be remote from the master cylinder. Already an example on RH drive manual E30s - the clutch fluid reservoir is in the engine by, but (most) of the master is in the cabin.
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V8turd
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Fri Dec 07, 2018 8:07 pm

It's tight. But what I used a big syringe and some pipe to fill it and it's done.
I get what you're saying but is not like it needs topping up every week really
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B5234FT
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Fri Dec 07, 2018 11:42 pm

Oh agreed, it's not impossible to top it up in the footwell, or have a remote master, just MUCH nicer having all the fluid, unions, everything in the engine bay so any leaks, spillage, whatever can be washed away rather than ending up in tje carpet
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