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Heavy HP Modification? Industrial Injection XR Series KP39 R2S Upgraded HP Turbocharger for BMW (335D M57)
I've been doing a lot of research on doing new hybrid turbos on my M57 335d. I've read a lot that people say not to modify the HP turbo by making it bigger. People say to leave it the same wheel sizes and just get upgraded thrust bearings. Can I ask what information led ya'll to make the compressor and turbine wheels these sizes?
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Open Apr 29, 2025 - 12:07 PM
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Industrial Injection XR Series KP39 R2S Upgraded HP Turbocharger for BMW (335D M57)
XR Series KP39 R2S Upgraded HP Turbocharger for BMW (335D M57)
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