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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 > Dinan exhaust or Cold Air Intake?



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      04-16-2012, 12:50 PM   #23
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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?
Definitely go with the intake first, the exhaust is just an axle back. Won't give you much gain as far as the extra power goes. The intake on the other hand, will give you a nice bump in power and improved throttle response. The axle back is only good for sound, if you want power go with catless down pipes.
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      04-16-2012, 01:01 PM   #24
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Anyone that pays over $200 for an intake on a $25kish car isn't thinking straight.
You absolutely right.....I wouldnt pay over $200 for an intake on a "rice burner" car.

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Originally Posted by itsmeek View Post
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.
Would a 60k + car worth it then........ So all those people that own AMG, GTRs, Porsche, that mod their cars are all idiots then ?

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Do you also pay $20 for a Pepsi with "custom ice" in it?
Not if I can get the same identicle product somewhere else for cheaper, like you would trying to buy JB, Cobb, or Vishnu etc
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      04-16-2012, 01:05 PM   #25
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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.
True, but other new guys reading the thread might be interested in what is available.

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What its marketing value is based on quality in the product. To make it worse its carbon fiber which doesnt come cheap.
Point is its form to look nice over function to get the job done. Carbon fiber is a big time overkill for an air cleaner system. Think what the exact same unit in thermoplastic like the factory system would save the consumer if priced right.

One of my old Super Stocks had a few feet of 6" spring & cloth ducting from the front bumper/grill back to a pair of snouts pop riveted to an old air cleaner housing. Must have cost me $5.


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It doesnt price at $1599, its current price is 1299.00 . Looks like the price went up $200 .
I got my number from their website just before I posted.


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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
Which then goes through an FMIC.

BTW some shops have run dyno tests on various systems without any conclusive results which suggests there is not much of a difference among all the systems.

Forgot to ask why couldn't you use the Dinan Air Cleaner with the new system?
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      04-16-2012, 01:07 PM   #26
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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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Would a 60k + car worth it then........ So all those people that own AMG, GTRs, Porsche, that mod their cars are all idiots then ?
I think he's tying to say is, intakes do not do shit for this car. If you want to do a proper intake, make the pipes going to the turbo inlets larger too. Then I would consider spending the money for it.

I agree, I don't know what the OP's mod list is, however, I would buy many other things before a $1000 intake or $2000 exhaust. Much better bang for the buck mods out there.
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      04-16-2012, 01:22 PM   #27
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I got my number from their website just before I posted......

...Forgot to ask why couldn't you use the Dinan Air Cleaner with the new system?
The number you got was for the 2011-2012 335is which is different from the 2007-2010 version. The OP car is a 2009 N54

The Dinan CAI for the 335iS comes as a kit that deletes the secondary radiator from the driver side airduct and that is a no no. SO I had to seek another alternative such as the aFe Stage 2 intake which I am currently testing.
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      04-16-2012, 01:41 PM   #28
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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....
I didn't take a cheap shot at you at all. You're the one who brought up how financially risk free the intake is when you lost 600.00 reselling it. I simply referenced that.

You're a Dinan fan. I get that. And I don't criticize you even though its not my choice in mods. I personally think the intake looks awesome and its functional. Its just way outta my budget for an intake.

I wanted the OP to know that paying for very expensive mods to preserve his warranty is not required. I have served my purpose. My conscious is free.
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      04-16-2012, 01:57 PM   #29
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You absolutely right.....I wouldnt pay over $200 for an intake on a "rice burner" car.



Would a 60k + car worth it then........ So all those people that own AMG, GTRs, Porsche, that mod their cars are all idiots then ?



Not if I can get the same identicle product somewhere else for cheaper, like you would trying to buy JB, Cobb, or Vishnu etc
I have owned several $60k+ cars. I'll tell you right now that if there are alternatives for those cars (I owned a GT-R and have another coming, own a Viper, have owned several AMG's). We would go with the cheaper alternative. For example, a great intake for the GT-R is about $600. You're telling me that your $25k Bimmer gets better gains from a $1200 system? My Vipers intakes were $500, intakes didn't do sht for the e55, and intakes for the Z06 were $250. It's so simple to fool the simple minded. So no- the people with more expensive cars are not idiots because they shop around. Go to Nagtroc, mbworld, z06vette, etc. People shop around and buy "bang for the buck" mods. Because they are car enthusiasts and not BRAND WHORES.
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      04-16-2012, 01:59 PM   #30
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Originally Posted by Syndicategt View Post
I think he's tying to say is, intakes do not do shit for this car. If you want to do a proper intake, make the pipes going to the turbo inlets larger too. Then I would consider spending the money for it.

I agree, I don't know what the OP's mod list is, however, I would buy many other things before a $1000 intake or $2000 exhaust. Much better bang for the buck mods out there.
Thank you, exactly! Performance enthusiasts go with "bang for the buck". Brand whores and people who care about what others think about their engine bay go for the overpriced crap (again, my opinion and it's all I can claim). Perfectly illustrated earlier with the guy who posted the pics of engine bays. Wow.
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      04-16-2012, 02:17 PM   #31
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....You're telling me that your $25k Bimmer gets better gains from a $1200 system?.....

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Quote:
Originally Posted by itsmeek View Post
Anyone that pays over $200 for an intake on a $25kish car isn't thinking straight.
You absolutely right.....I wouldnt pay over $200 for an intake on a "rice burner" car.
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      04-16-2012, 02:43 PM   #32
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Regarding my $25k comment, you own the 2011 so it may not apply to you yet, but depreciation on 335i's is hell. I got my '09 for 24.5k. That is slightly below market value for them so that's what they are worth at this point. 2011 is's go for high 40's to low 50's and will drop rapidly like the others did. Either way, these cars are not performance vehicles, they are the happy medium.

You want a performance vehicle for cheap, buy an EVO. Want one for an m3 price, buy a GT-R, Viper, Z06, Evora, Elise, etc etc..

Again, my replies are strictly bang for the buck.
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      04-16-2012, 03:09 PM   #33
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Quote:
Originally Posted by BuraQ View Post
The number you got was for the 2011-2012 335is which is different from the 2007-2010 version. The OP car is a 2009 N54

The Dinan CAI for the 335iS comes as a kit that deletes the secondary radiator from the driver side airduct and that is a no no. SO I had to seek another alternative such as the aFe Stage 2 intake which I am currently testing.
You really have to pull the secondary water radiator to mount an air filter? What about engine heat rejection capability you are giving up for a few degrees of inlet air temp before the FMIC?

Sorry but I was nowhere near thinking the Dinan system was worth any thing near the price but to have to pull a functioning radiator on a turbo car for a cosmetic air cleaner to fit just boggles the mind.

Does the afe allow the secondary radiator to fit?
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      04-16-2012, 03:21 PM   #34
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You really have to pull the secondary water radiator to mount an air filter? What about engine heat rejection capability you are giving up for a few degrees of inlet air temp before the FMIC?

Sorry but I was nowhere near thinking the Dinan system was worth any thing near the price but to have to pull a functioning radiator on a turbo car for a cosmetic air cleaner to fit just boggles the mind.
Yes you do.....The Dinan team said that BMW added the additonal radiator to midigate for the small oil cooler. So they made it if you purchased the Dinan 335iS CAI you would have to buy the Dinan Oil Cooler or else no warranty overage.

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Does the afe allow the secondary radiator to fit?
Absolutely....working on redesigning it to work better than the Dinan CAI. Lots of potential with the aFe Stage 2 SI stand alone version. I sealed it completely up. Here is my review thread http://www.e90post.com/forums/showthread.php?t=675332 this week I should be finished with the reveiw with dyno and track times
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      04-16-2012, 03:57 PM   #35
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Yes you do.....The Dinan team said that BMW added the additonal radiator to midigate for the small oil cooler. So they made it if you purchased the Dinan 335iS CAI you would have to buy the Dinan Oil Cooler or else no warranty overage.
I'm sorry but that's the biggest load of crap/FUCK YOU to customers i've ever heard when it comes to modding this platform. The point of the "is" is the additional cooling!!!

The very idea that you have to remove a radiator and replace it with their WAY over priced oil cooler just to install their $1300 intake just to keep the Dinan warranty(DINAN, not BMW because Dinan voids the OEM warranty) is just insane. Not to mention once you dump nearly $10K on Dinan mods and tunes you're still going to get your headlights sucked out by someone running Cobb/JB/PROcede for WAY, WAY less money.

People can fool themselves about "quality" or "warranty" all they wan't, i'll stick with my "cheapo" mods and leave Dinan to brand whores.
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      04-16-2012, 07:25 PM   #36
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+1 I think Dinan is proving that PT Barnum famous saying “There's a sucker born every minute.” is still 100% correct.
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      04-16-2012, 07:30 PM   #37
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+1 I think Dinan is proving that PT Barnum famous saying “There's a sucker born every minute.” is still 100% correct.
That sounds like an Apple Corp saying
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      04-16-2012, 11:04 PM   #38
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Dinan CAI or DCI, whats next?

I didnt know this question would bring up such a big debate lol. Apprecaite all input guys, I mainly chose dinan because I thought it would help preserve my current warranties. Although Im leaning towards Dinan CAI, I will definitely do alittle more research on other brands(COBB, vishu, etc) before making a decision. I will be going with CAI(brand undecided) but what would yall suggest after that for best performance upgrade?
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      04-16-2012, 11:12 PM   #39
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lol...these guys would fight over anything comes into their screen monitor.
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      04-17-2012, 12:08 AM   #40
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eh, I am done here, got my own tune to worry about

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      04-17-2012, 07:49 AM   #41
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A tune JB4 or Cobb & I would do it before an intake system.
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      04-17-2012, 01:18 PM   #42
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Quote:
Originally Posted by dmxc44 View Post
I didnt know this question would bring up such a big debate lol. Apprecaite all input guys, I mainly chose dinan because I thought it would help preserve my current warranties. Although Im leaning towards Dinan CAI, I will definitely do alittle more research on other brands(COBB, vishu, etc) before making a decision. I will be going with CAI(brand undecided) but what would yall suggest after that for best performance upgrade?
If your major concern still is BMW warranty then a BMW Performance or Dinan flash is the performance upgrade you should stick with, and yes Dinan is more costly than most, (btw a Dinan flash 2 is a nice power upgrade).

Otherwise many choices outside the BMW/Dinan world...run a search and you will see - now go a head and push that button.
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      04-17-2012, 01:47 PM   #43
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Quote:
Originally Posted by Bmw135er
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.
The dci vs Dinan intake have the same gains and the dci is a 1/10th of the cost. Dinan just looks prettier.
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