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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > will intercooler, bov, intake void warrenty?



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      06-20-2009, 12:11 PM   #1
Fallen612
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will intercooler, bov, intake void warrenty?

well so far i have only put dinan stuff on my car. and im looking at the stett intercooler, bov kit, and intake. but i want to know will it void my warrenty? thanks guys!!!
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      06-20-2009, 12:15 PM   #2
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well so far i have only put dinan stuff on my car. and im looking at the stett intercooler, bov kit, and intake. but i want to know will it void my warrenty? thanks guys!!!
If you take it to the dealer with that stuff installed, at a minimum you will get "flagged" and denied warranty service. At most, BMWNA can/will void your drivetrain warranty.
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      06-20-2009, 12:31 PM   #3
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I took my car for oil change and state inspection the other day. They changed out spark plugs, and they tried to change out the air filter, but told me that I have 2 "canons" for intake already. They still gave me a brand new drop in filter anyways. I guess it depends on the dealer.
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      06-20-2009, 12:48 PM   #4
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It will void your Dinan Warranty.

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      06-20-2009, 03:46 PM   #5
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Depending on the dealer, the IC and intake will be OK to some. I think a BOV kit will void the warranty at almost any dealership. I have no basis for my assumption, but that would be my guess. Just my $.02
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      06-20-2009, 04:07 PM   #6
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The intercooler is probably the least likely to affect warranty.
Afterall, it's actually BETTER for the car's engine than the stock one, since all it's doing is keeping things cooler.
If the dealer is an a-hole they could void it though, but they'd be hard pressed to prove an intercooler caused any damage to the engine.
And intake however supposedly allows more air in which could be interpreted as allowing more air than what was intended.
Skip the BOV's anyway, they are ricer like on <$30k cars, just plain silly on a BMW
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      06-20-2009, 04:56 PM   #7
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Quote:
Originally Posted by Driver72 View Post
The intercooler is probably the least likely to affect warranty.
Afterall, it's actually BETTER for the car's engine than the stock one, since all it's doing is keeping things cooler.
If the dealer is an a-hole they could void it though, but they'd be hard pressed to prove an intercooler caused any damage to the engine.
And intake however supposedly allows more air in which could be interpreted as allowing more air than what was intended.
Skip the BOV's anyway, they are ricer like on <$30k cars, just plain silly on a BMW
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      06-20-2009, 10:08 PM   #8
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Quote:
Originally Posted by Driver72 View Post
The intercooler is probably the least likely to affect warranty.
Afterall, it's actually BETTER for the car's engine than the stock one, since all it's doing is keeping things cooler.
If the dealer is an a-hole they could void it though, but they'd be hard pressed to prove an intercooler caused any damage to the engine.
And intake however supposedly allows more air in which could be interpreted as allowing more air than what was intended.
Skip the BOV's anyway, they are ricer like on <$30k cars, just plain silly on a BMW
You have to remember that they warranty both their work and their parts. Dealerships can hassle someone over anything aftermarket because it's not a product from BMW and it wasn't installed by a certified tech. Installing something wrong can cause big problems also.

OP: I suggest researching your dealership and dealerships around you. If you can't find anything then get friendly with your SA and casually talk about parts you've seen for the car and see what he has to say about it. But don't start off with "Hey, I bought these parts - are they going to void my warranty?" cause that's just asking for it.
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      06-21-2009, 03:23 AM   #9
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And you assume SA is dumb enough not to know what you are implying already? Be careful insult the guy/girl's intelligence at your own peril. How about a straight up question if xyz would void warranty? That way you did not claim anything or try to lie etc, its a straight up question they should answer.
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      06-21-2009, 04:10 AM   #10
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Originally Posted by vase330 View Post
And you assume SA is dumb enough not to know what you are implying already? Be careful insult the guy/girl's intelligence at your own peril. How about a straight up question if xyz would void warranty? That way you did not claim anything or try to lie etc, its a straight up question they should answer.
Asking them straight up sounds a lot more suspicious than if someone was to make a casual conversation about mods and what the sa thought about it. =/ I mean obviously if you make it sound fake and ask obvious tell tale signs of modding then sa will get suspicious but if you can have a casual convo that doesnt revolve 100% around mods then I'd say its safe to assume he won't think much of it. Atleast it's a heck of a lot better than asking straight up if something voids a warranty. Makes it sound like you have it already installed in your car.
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      06-21-2009, 04:33 AM   #11
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so asking straight and honest questions makes you suspicious?
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      06-21-2009, 04:46 AM   #12
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Quote:
Originally Posted by LiKWiD335xi View Post
You have to remember that they warranty both their work and their parts. Dealerships can hassle someone over anything aftermarket because it's not a product from BMW and it wasn't installed by a certified tech. Installing something wrong can cause big problems also.

Of course, technically they could give you a hard time about a drop in air filter too. But it's the probability I was talking about and what is "accepted" as aftermarket and what is not.
Most manufacturers and service centers have certain parameters of what they will accept and what they won't when it comes to aftermarket parts, etc. And again, there has to be proof something caused a failure.
It would be harder to blame a better intercooler on a failure than say DP's or something that's technically illegal.

Opening up a hood and seeing DCI's are usually more of a "shock" and red flag for mods than a relatively well hidden FMIC too.

You always mod at your own risk, but finding out which is "accepted" and what isn't per each dealer is what's best.

Keep in mind, techs get paid more for non-warranty work than they do for warranty work. So many techs have a reason to refuse warranty service if it can be blamed on an aftermarket mod.
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      06-21-2009, 05:16 AM   #13
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Quote:
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Of course, technically they could give you a hard time about a drop in air filter too. But it's the probability I was talking about and what is "accepted" as aftermarket and what is not.
Most manufacturers and service centers have certain parameters of what they will accept and what they won't when it comes to aftermarket parts, etc. And again, there has to be proof something caused a failure.
It would be harder to blame a better intercooler on a failure than say DP's or something that's technically illegal.

Opening up a hood and seeing DCI's are usually more of a "shock" and red flag for mods than a relatively well hidden FMIC too.

You always mod at your own risk, but finding out which is "accepted" and what isn't per each dealer is what's best.

Keep in mind, techs get paid more for non-warranty work than they do for warranty work. So many techs have a reason to refuse warranty service if it can be blamed on an aftermarket mod.
really? so they have different labor charges? so let's say your car is out of warranty and you need something fixed they will charge you more than what they would charge BMW to fix something under warranty? i guess BMW gets a discount because of the dealer relationship? then there's a diff price for non BMW parts issues?
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      06-21-2009, 06:57 AM   #14
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      06-21-2009, 10:12 AM   #15
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I asked my dealer about aftermarket parts and they told me if i ever have a issue with the car and it can be linked to my parts they would void my warranty.
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      06-21-2009, 10:46 AM   #16
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Quote:
Originally Posted by Driver72 View Post
The intercooler is probably the least likely to affect warranty.
Afterall, it's actually BETTER for the car's engine than the stock one, since all it's doing is keeping things cooler.
If the dealer is an a-hole they could void it though, but they'd be hard pressed to prove an intercooler caused any damage to the engine.
And intake however supposedly allows more air in which could be interpreted as allowing more air than what was intended.
Skip the BOV's anyway, they are ricer like on <$30k cars, just plain silly on a BMW
An intercooler also lets more air in. That's the whole reason for getting one. It cools the intake charge, making it denser, allowing more air to fill the same space, putting more air into the engine.
If your aftermarket parts cause your problem, then it's not covered. Same as if you filled up your engine with water from a hose (an yes, I've had a car towed in for that very reason). If you have an aftermarket intercooler, blow off valve, intake manifold, or other, and come in with an underboost code, we're going to charge you diagnosis to check it out. If the underboost is being caused by the aftermarket part, or the installation of that part, then you have to pay. That's only fair.
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      06-22-2009, 03:00 AM   #17
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Depending on the dealer, the IC and intake will be OK to some. I think a BOV kit will void the warranty at almost any dealership. I have no basis for my assumption, but that would be my guess. Just my $.02
umm just to correct you, i have a BOV and they dont get 2 shits about it being on there. i think if u had a FMIC they would question it more than the BOV or even intakes for that matter.
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      06-22-2009, 10:44 AM   #18
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well so far i have only put dinan stuff on my car. and im looking at the stett intercooler, bov kit, and intake. but i want to know will it void my warrenty? thanks guys!!!
Your entire warranty cannot just magically be completely voided.

Changing OE parts to aftermarket parts will likely void the warranty on anything related to the modification. So if you change the struts and springs, and a strut top needs to be replaced under warranty, you'll likely get voided. But if your engine starts misfiring, and you need warranty service, they can't void it it because of the suspension changes, because there's no way your suspension mods could have caused a misfire.

With an intercooler, BOV (Waste of money by the way), and intake, pretty much anything that goes wrong that could possibly be attributed to those mods will likely not be covered under your warranty. Even your drivetrain will likely have a meritous warranty denial, because more power was being put through it that it was originally designed for.

Modding cars does not mix well with warranties.

Get it?
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      06-22-2009, 11:03 AM   #19
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Your entire warranty cannot just magically be completely voided.

Changing OE parts to aftermarket parts will likely void the warranty on anything related to the modification. So if you change the struts and springs, and a strut top needs to be replaced under warranty, you'll likely get voided. But if your engine starts misfiring, and you need warranty service, they can't void it it because of the suspension changes, because there's no way your suspension mods could have caused a misfire.

With an intercooler, BOV (Waste of money by the way), and intake, pretty much anything that goes wrong that could possibly be attributed to those mods will likely not be covered under your warranty. Even your drivetrain will likely have a meritous warranty denial, because more power was being put through it that it was originally designed for.

Modding cars does not mix well with warranties.

Get it?
It is up to the dealer to prove that the aftermarket part caused the failure/problem before they void your warranty.

How is a BOV a waste of money? Especially when it will come with a hard pipe to replace the upper IC pipe?
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      06-22-2009, 11:21 AM   #20
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If your worried about your warranty and you have mods...take them off before going in....PERIOD! Im not doing any mods I can't reverse in a few minutes/hrs (other than springs or coilovers). These threads are pointless and never go anywhere
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      06-22-2009, 11:22 AM   #21
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Why not just take off the mods when you visit the dealer? saves all problems... its a hassle but IMO its worth it.
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      06-22-2009, 11:27 AM   #22
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Quote:
Originally Posted by vase330 View Post
And you assume SA is dumb enough not to know what you are implying already? Be careful insult the guy/girl's intelligence at your own peril. How about a straight up question if xyz would void warranty? That way you did not claim anything or try to lie etc, its a straight up question they should answer.
I didn't mean to go in and lie about anything. And I'm certainly not implying to try to get over on the dealership.

What I meant was to just talk about it but not by starting off with the question. Having a convo and asking questions are two different things. It's basically just to judge their view on mods. Some dealerships give more leeway than others and some SA's will give you a heads up when there's a problem before doing anything drastic - knowing this before you do any mods is a good idea.
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