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N75 replacement due to age and miles?

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mjmallia:
Well the old girl will be turning 20 next year and making a small refresh list of things I have left  to do, as done a lot over the years to it  :confused:

Is it worth getting a fresh N75 due to the age of the car and over 100K miles, as that valve is continuously working away!

Everything appears to be working fine at the moment......call it preventative maintenance which is what I have been doing a lot of recently on it.

ZoliWorks:
At least for the K04, the actuator is what gives out sooner. Honestly you should be fine, but at the same time, if you wanna be safe, I'd replace both the valve and actuator.

mjmallia:
 :happy2:

I did a K04 DV relocation on my K03 quite a while ago now, so that is all fresh already.

Not sure about the actuator, so will need to read up on that one.

ZoliWorks:
One of the tuners I spoke to who also does turbo rebuilds said that the actuator should be replaced every 100k km because the membrane can develop cracks or the whole mechanism can start sticking and not moving as it should, which changes the cracking pressure of the wastegate and overall impacts the boost control. But, my K04 has well over 260k km on it and I can't say I notice any of the above.

mjmallia:
 :happy2:

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