Any other parts I should replace?

bear2020

Zorg Guru (I)
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British Zeds
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Dec 13, 2020
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Model of Z
Z3 3.0 & Z4 2.5
I need to replace the following and was wondering whilst I've got it stripped down if it were worth replacing any further parts?

Z3 3.0
Replacing
Purge Valve
Vacuum hoses
Engine block coolant sensor
Crankcase ventilation hose
Manifold Gasket
Also Added (thanks to NZ00Z3 & colb)
2 water hoses under manifold side & o rings
Blanking plugs
Vacuum hoses
Full CCV assembly with all hoses

I have already rebuilt the vanos, replaced the disa valve, new oil pump gasket, rocker cover gaskets, aux belts so that's covered

Thanks!
 
Last edited:

NZ00Z3

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If the inlet manifold is being removed, replace the 2 hard plastic coolant pipes that run along that side of the engine.

The CCV is easy to do with a removed manifold.

Replace all rubber vacuum tubes and the 2 or 3 rubber caps on the back of the inlet manifold.
 

colb

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British Zeds
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Newport, South Wales,UK
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Z3 M43 1.8 (1999) and Z4 E85 2.5 (2003)
Good shout by @NZ00Z3 to replace those rubber blanking caps on the rear of the intake manifold, often overlooked and they are prone to rotting, splitting and falling off causing vaccum leaks resulting in high fuel trims and bad running. CCV is easy with the manifold off just a matter of plumbing in all the pipes.
 

bear2020

Zorg Guru (I)
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British Zeds
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Dec 13, 2020
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Location
Norwich
Model of Z
Z3 3.0 & Z4 2.5
Thanks guys I will order those bits as well....this list just keeps growing 😂
 

Nodzed

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