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17 GS Question

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Old May 7, 2026 | 06:01 PM
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Default 17 GS Question

Hey all,
looking at a supercharged 17 gs, always been into BMWs and making a change!
PO has some records but not very many, so just looking over the vehicle and stuff and noticed some stuff.
Seeing what your thoughts are and if it's normal and just needs some maintenance.
V7 YSI cant find much info on it.
41k miles, 20k since install.
Thank you!



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Old May 15, 2026 | 09:23 AM
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Looks like it just needs some maintenance.
personal opinion: I'd find a local performance shop and have them go over the car and look at it.
I do all my own oil changes so I don't have "records" of them on my 17. But I do have Blackstone lab test results from a couple oil changes.
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Old May 29, 2026 | 12:54 PM
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A YSi is a pretty big blower. If it's a stock bottom end LT1 I would be very cautious.
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