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What shall I do? New turbo, 2nd hand turbo or reconditioned turbo?

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ZoliWorks:
New BorgWarner K03 will be around 1.2k euros. New aftermarket replacement part K03 will be 600-800 euros. Used should be under 180-250.

pudding:
For my Edition 30, I got a new Borg Weiner K04 from TurboZentrum for £950.  It was the exact same unit VW used, just less the VW branding.

I wouldn't trust a cheap aftermarket one personally if you want it to last.

skkane:
Buy new. I reconditioned my K04 after I torched the engine and noticed there was alot of play in the shaft when taking it all apart. It cost ~300 euros total for new core and balancing, nice china core I bet as original BW K04 core is around 750-850EUR. Lasted a good 6 months before it seized completely a few weeks ago. You could only spin the shaft in the opposite direction to what it was supposed to... nice 3 weeks with NA 50HP.

I wanted to get a new one from turbozentrum but decided to spend some extra for a tte420. Either way, not reconditioning turbos again. Might work for diesels or stock cars I guess, those china cores they use.

pudding:
Refurbished stuff is never as good as brand new, or in the case of TTE, completely reworked with a brand new OEM turbo as a starting point.

Same applies to the injectors. Just replace them with new ones. DI injectors don't refurbish well.

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