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      04-16-2012, 05:50 AM   #1
dmxc44
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Dinan exhaust or Cold Air Intake?

I have a 2009 335i coupe. I havent done any work on it yet but been wanting to for a while. I was thinking about getting Dinan exhaust or Performance kit(cold air intake) but not sure which would be best. Im doing dinan because I want to keep my warranties. Any suggestions?
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      04-16-2012, 06:41 AM   #2
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exhaust first IMO. idk about dinan tho. never heard it
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      04-16-2012, 06:44 AM   #3
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Well, I would go for the CAI. The exhaust is more for sound as opposed to a performance gain.
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      04-16-2012, 07:03 AM   #4
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2011 BMW 335is  [3.03]
Start with the Dinan CAI first, then the Dinan FFE
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      04-16-2012, 07:45 AM   #5
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Quote:
Originally Posted by BuraQ View Post
Start with the Dinan CAI first, then the Dinan FFE
+1. Your engine will appreciate cold air.


In before all the Dinan bashing...
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      04-16-2012, 07:47 AM   #6
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I've been very happy with my Dinan CAI.
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      04-16-2012, 07:56 AM   #7
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You've heard one set of opinions, its important that you hear the other side, especially considering your extremely low post count. Getting a particular brand intake for warranty concerns is not a good buy at all. If your concerns are performance and warranty, Id recommend getting come DCI's for 95.00 and spent 15 minutes removing them before going in for service. Its worth the 800-1000 dollars you will save.

Its common for new owners (or new modders) to overspend in an effort to save their warranty only to realize that it wasn't as big a concern as they thought. You can save a ton of money with only a little labor.
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      04-16-2012, 08:08 AM   #8
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      04-16-2012, 09:26 AM   #9
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2011 BMW 335is  [3.03]
Do you want your BMW to look like this:



or do you want your BMW to look like this:



Also, the less heat your turbos take in the longer the turbo life.

Before walking into a dealership for warranty issue you will have to start plucking those lovely flowers out of your engine bay and reinstall the stock.

The Dinan CAI holds a higher value than any other N54 intake on the market. You can get back half what you spent on the intake when and if you decide to get rid of your 335i.

I sold mine for $650 on eBay http://cgi.ebay.com/ws/eBayISAPI.dll...vip=true&rt=nc

What resale value does a Dual Cone Intake have ?

Why did I get rid of mine ? All my Dinan mods from my previous 335i migrated to my 335iS except the Dinan CAI as it was not compatible with the 335iS at that time and I do not want to sacrifice my secondary radiator for current version that is compatible with the 335iS.
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      04-16-2012, 09:34 AM   #10
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DCI's are not a warranty concern. I have my SA's agreement that the warranty is in no way voided by having DCI's.
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      04-16-2012, 09:50 AM   #11
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Quote:
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DCI's are not a warranty concern. I have my SA's agreement that the warranty is in no way voided by having DCI's.
Your fortunate to have that SA....btw it is the shop forman and service amanger who makes that call....so your SA should have a good relationship with them to pull strings like that

In cases of turbo failure, they will tell him he needs to put back on the stock intake IF they decide to have mercy and the SA is having a good day.
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      04-16-2012, 10:05 AM   #12
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Quote:
Originally Posted by BuraQ View Post
The Dinan CAI holds a higher value than any other N54 intake on the market. You can get back half what you spent on the intake when and if you decide to get rid of your 335i.

I sold mine for $650 on eBay http://cgi.ebay.com/ws/eBayISAPI.dll...vip=true&rt=nc

What resale value does a Dual Cone Intake have ?
Stating that you lost 600.00 on an intake is not exactly the way to justify financial responsibility.

We've seen this exact thread play out a million times on e90, and I'm not looking to repeat it. I just saw a newbie asking an earnest question looking to protect his investment.

And although you are telling urging him to pay for the intake, you are a perfect example of why it may not be the best choice to do so. After all, you got rid of your CAI (with a lost of 600.00) and you're running a new tune which you seem to be very happy with (and lost probably 2,000 worth dinan tunes, which have zero resale value).
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      04-16-2012, 10:25 AM   #13
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Intakes and exhausts are usually not considerations for warranty hassles. I've had three 3-series cars with aftermarket intake and exhaust, never had any problem with warranty. When you get into engine software and suspension on a newer car, Dinan will provide a parallel warranty, but at a price - their components are more expensive, as their primary business is building race cars and engines for endurance racing and they have to cover the cost the parallel warranty.

That said, I have Dinan components on my car along with other manufacturer's parts, some of which I purchased from other posters on this forum in the private sale section at a greatly reduced price. Your relationship with your SA and dealership plays an important part in whether or not you need to stick with Dinan or use the equally good components from several other manufacturers with excellent reputations.
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      04-16-2012, 10:33 AM   #14
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Quote:
Originally Posted by secretsquirrel View Post
Stating that you lost 600.00 on an intake is not exactly the way to justify financial responsibility.
When you buy anything of "significant" high value and resell it you will take a loss. This is a cheap shot to explain coming from you....

Quote:
Originally Posted by secretsquirrel View Post
We've seen this exact thread play out a million times on e90, and I'm not looking to repeat it. I just saw a newbie asking an earnest question looking to protect his investment.
Exactly I gave my opinion on the matter following his request ie he want to keep his warranty. It was written very clearly.

Quote:
Originally Posted by secretsquirrel View Post
And although you are telling urging him to pay for the intake, you are a perfect example of why it may not be the best choice to do so.
Yes correct I am a perfect example as I am one of the those who have had first had experience with the Dinan bolt on mods

Quote:
Originally Posted by secretsquirrel View Post
After all, you got rid of your CAI (with a lost of 600.00) and you're running a new tune which you seem to be very happy with (and lost probably 2,000 worth dinan tunes, which have zero resale value).
I got rid of the Dinan CAI cause it was not compatible with my new car just like most things you buy now and later not compatible you will incur a loss. Anything used losses value from when it was new.

I paid to play.......... in the end most people who seek the cheap way will have a greater loss in the end.
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      04-16-2012, 11:20 AM   #15
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First a general thought while some of us can spend pretty much anything we want a lot of guys need info on alternatives to gear that is priced very very high for the performance it delivers or does not deliver.

What exactly is a high value air cleaner system? Does a Dinan intake at a list price of $1599 flow better & generate more measurable power then a $100 DCI? Lots of guys running in the low 11's with a DCI.

Personally I have not bothered with any because i don't see that much if any value on 12 second cars. That might be debatable on which point you need to switch but certainly on a stock car all they do is make interesting noise. Same with $1000+ exhaust systems for 5-7 horsepower.

Best "buy" for a stock 335 is a Piggy back or Cobb flash. If anyone is truly worried about the warranty best thing is to leave it pure stock & enjoy what you have.
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      04-16-2012, 11:27 AM   #16
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If the question is Dinan CAI or Exhaust, I would get the CAI.

However, I would convince you otherwise to seek other alternatives you are looking for more value for your money.
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      04-16-2012, 11:29 AM   #17
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Dinan intake overpriced
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      04-16-2012, 11:55 AM   #18
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why don't you get the Dinan Stage 2 tune first?

Quote:
Originally Posted by dmxc44 View Post
I have a 2009 335i coupe. I havent done any work on it yet but been wanting to for a while. I was thinking about getting Dinan exhaust or Performance kit(cold air intake) but not sure which would be best. Im doing dinan because I want to keep my warranties. Any suggestions?
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      04-16-2012, 12:25 PM   #19
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Quote:
Originally Posted by BEAR-AvHistory View Post
First a general thought while some of us can spend pretty much anything we want a lot of guys need info on alternatives to gear that is priced very very high for the performance it delivers or does not deliver.
Remember the OP didnt ask for alternatives. He asked which of the Dinan mods to get first and made it clear of his intent on his route.

Quote:
Originally Posted by BEAR-AvHistory View Post
What exactly is a high value air cleaner system?
What its marketing value is based on quality in the product. To make it worse its carbon fiber which doesnt come cheap.

Quote:
Originally Posted by BEAR-AvHistory View Post
Does a Dinan intake at a list price of $1599 flow better & generate more measurable power then a $100 DCI? Lots of guys running in the low 11's with a DCI.
It doesnt price at $1599, its current price is 1299.00 . Looks like the price went up $200 .

As for gains, there has been mass murder about this but no one was able to bring forth a dyno comparison between the two from what I can recall. Even so, the price would still not be worth it according to others. However it maintains colder air into the turbo inlets over the DCI
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      04-16-2012, 12:42 PM   #20
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Paying $650 for an intake is IDIOTIC. There are extremely minimal if any performance gains. Go with a DCI (you can buy one cheap in the classifieds, or just make your own VERY CHEAP but buy decent filters). The sound is priceless and spend your money on a decent exhaust (or downipes if you really want a performance bump).

Anyone that pays over $200 for an intake on a $25kish car isn't thinking straight. And to ask whether you want your engine bay to look nice is laughable. And to pay $1299 for an intake that does NOTHING is just plain idiotic. Do you also pay $20 for a Pepsi with "custom ice" in it?

Spend your money on a jb, cobb, vishnu etc.
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      04-16-2012, 12:45 PM   #21
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Not every one wants their engine bay to look like the intake came from home depot. The dcis loose bottom end to mid range power due to the fact that they are scavenging for air at all times. The is no pressurization in the air box any more since there isn't one. Not to mention sucking all that 200+ degree air into your engine with significantly less oxygen content. The Dinan intake is the most functional intake on the market and also the best from an engineering standpoint. Yes you can do a Mr 5, but again, the home depot look doesn't suit a BMW well. The additional heat shields with the Dinan kit are very nice pieces, and overall the kit is worth the money. At least to those who have the money for it, aka the ones that don't complain about the cost.
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      04-16-2012, 12:46 PM   #22
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You may- if you are lucky, gain 10hp (which i would say is way high end) from a CAI vs a DCI setup. That doesn't constitute a $1100 price difference. There is more to air intakes than temperature and pressurization.

Many people here can afford Ferraris, Lambos, and million dollar homes- but they are smart enough to not buy them if they can buy something just as functional and comparable for a much lower price.

To the OP, if you are going to spend $1200- spend it on an exhaust. You can go intakes for much cheaper.

If the dealer wants to deny you warranty work- they will deny it whether you have Dinan or Home Depot. Aftermarket parts are not approved by the manufacturer.
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