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03-06-2018, 08:31 PM | #1 |
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Wastegate rattle PREVENTION?
So I’ve had my first 135i, bought it with rattle and It killed me. Fast forward now I’m now in the market again, found a rather clean 2008 with 75k miles and it’s fbo, I know... a recipe for wastegate rattle. According to the owner they’re quiet, I won’t find this out for sure until I look at it but let’s jsut assume right now. Say I get the car and everything is fine, is there anything I can do to prevent or helpbe easier on to keep the wastegates from getting noisy? I have a feeling the car being fbo on original turbos isn’t gonna be the best solution.
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03-06-2018, 10:32 PM | #3 | |
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03-06-2018, 10:37 PM | #5 |
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True, but they will be refurbished. Our turbos aren't even manufactured anymore so any turbo replacement will be a used and refurbished turbo
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03-07-2018, 05:39 AM | #6 | |
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To the OP, you're buying an older, questionably modded bmw....I think the wastegate rattle will be the least of your problems. |
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03-07-2018, 08:20 AM | #7 |
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My car was full bolt ons when the turbos were replaced what's your point.
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03-07-2018, 05:35 PM | #9 | |
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OP, just start saving some cash to address that issue in the future. |
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03-07-2018, 05:45 PM | #10 |
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03-07-2018, 06:14 PM | #11 |
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03-07-2018, 07:17 PM | #12 |
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actually, they have something to do with the issue. Why would a third party warranty provider warranty turbos that are being spun well beyond factory specification? Why would you expect any warranty when you choose to modify the car? I get the fact that everyone wants something for nothing, and at the age these cars are, they are cheap enough that the civic crowd has access to them but...
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03-08-2018, 09:22 PM | #13 | |
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You just simply can't mod your car and expect a warranty company to fix any issues that arise. |
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03-09-2018, 02:36 PM | #15 |
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Ah. Great. Someone new spreading horseshit about high boost levels causing wastegate rattle. It doesn't. The actuator rod wear is typical on all N54 cars and is generally unavoidable. Makes for a $1000 wear component, not all that different from suspension bushings. That said, companies slinging aftermarket repairs insurance are allowed to cover or not cover whatever they want. Just don't be deluded into thinking its because of tuning or hardware changes. If they could get away with saying its a wear component and not covered at all, ever, they would.
OP, you can get service kits for the rod, take the turbo out and have them replaced, though I believe this involves welding and machining, and is not a good value. Other options involve wastegate tuning on the ECU side, and actuator rod adjustment on the mechanical side. Both of those can be done in a matter of minutes with no more than an android device or a wrench and pressure gauge.
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03-16-2018, 05:56 PM | #16 |
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You can adjust them to reduce the rattle. We have done it on mine. 165K + with FBO+
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