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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 > 335 Missing Air/Oil Cooler PROOF Thread



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      04-10-2007, 01:49 AM   #45
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Quote:
Originally Posted by EM335i View Post
I'm getting my e92 at the end of the month(march 07 production), should I look into this?
I am! First thing i'm gona do is check the gauge, see if that's changed to 340 degrees, then look behind the wheel to see if there's cooler or not.
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      04-13-2007, 08:55 PM   #46
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I am pissed! My previous 335 6MT had an oil cooler so I had no reason to suspect that the 335 Step/sport (02/07 build) I picked up two weeks ago would not have it either. I am definitely complaining to BMWUSA.
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      04-13-2007, 09:07 PM   #47
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I've posted on various oil cooler threads that I am a lawyer and am seriously considering a class action regarding the absence of an oil cooler. I litigate for a living. I have step 335i sports nov. build with no cooler. I have not inquired with BMW yet on this issue and will soon check my VIN to see if the parts listed suggest my car should have the cooler. This thread is very important because documented (scanned) communications with BMW admitting there should be a cooler in all 335i sports models is usable. Also, any individuals with VINs for builds in 06 and 07 that suggest the cooler should exist in the car but is absent also constitutes very good evidence. Thus, keep all of this information coming and for those who receive retrofits I (and others who still need the retrofit) would appreciate you documenting here the reasons given for the retrofit and any written communications from BMW regarding that issue. Many thanks.
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      04-14-2007, 11:24 AM   #48
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Before buying, I did a test drive on a 335 with the Sport/Performance package, and took the time to look carefully at it, noting that it had an oil cooler in the right front fender well. I also researched the available literature on the machine, including BMW produced documents (Printed in September 2006). Knowing that this was a new engine with high output demands, I was especially interested in how the cooling systems were set up. Here are some links to pages of BMW material that I used in making my decision to get the first run 335i.






At the time of signing for production last summer and putting down a payment to get a production number, nowhere in conversation or literature produced by BMW did I find/get any disclaimer that said If I added the Paddles and the STEP did I forfeit the oil cooler from the Sport/Performance package. In fact, the price of the performance package is the same; independent of the transmission selected, leading a reasonable person to think it was the same offering.

I went to the trouble of factory ordering the machine to ensure I got all of the things that mattered, especially related to performance. That includes the ability for me to get the maximum out of the car. Clearly, the fact that the oil cooler was dropped from my build means that it is not able to match the MT with the oil cooler in a hard driving profile into the summertime.

Heat rejection from an Internal Combustion engine for a given power profile is not transmission dependent, but primarily power related, so the deletion of the oil cooler from the STEP makes little sense if it is deemed required for the Sport/Performance MT. The gossip I’m hearing says that the decision by BMW was transmission based, but that makes little sense from the physics of power generation and subsequent heat rejection design requirements. So it must have been a marketing/money decision.
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      04-14-2007, 11:38 AM   #49
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If you look in the engine introduction document on page 6 there is an overview of the N54 engine. The 7th item down is an "External oil cooler".
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      04-14-2007, 12:06 PM   #50
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Quote:
Originally Posted by BoostedInPhx View Post
If you look in the engine introduction document on page 6 there is an overview of the N54 engine. The 7th item down is an "External oil cooler".
Exactly. And, in the jpgs I posted above eg, Page 42, they actually boast about the "seperate oil circuit" as one of the keys to it all.. So, somewhere between the engineers and the boneless chickens it got trashed for a few bucks savings on the line to the high percentage of Auto buyers .. Now it is not a cheap retrofit, even tho it was relatively cheap to do on the line. That scraping you hear in the Halls of BMW is related to foot dragging..
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      04-14-2007, 01:58 PM   #51
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If You Guys Had Bought Manual Rather Then A Automatic. Ya Wouldnt Be Having This Problem !!! =)
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      04-14-2007, 05:15 PM   #52
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I already have 2 other cars with 6 speed manuals transmissions so I get to do plenty of shifting. My sedan with step will have the cooler. The first car I put money down on was a car the dealer had spec'd and was already built and waiting for shipment. It was configurated exactly like I wanted it. When it arrived the dealer checked and emailed me (I was out of town) that it did not have the cooler. I did not take delivery of that car. Fortunately they had an identical car that was a March 15th production that was already on the boat. I will pick it up in less then 2 weeks. The dealer was great about it. I believe the same salesman had another customer also not take delivery for the same reason. They are not to happy with BMW.
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      04-14-2007, 05:26 PM   #53
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Quote:
Originally Posted by BoostedInPhx View Post
.. My sedan with step will have the cooler. The first car I put money down on was a car the dealer had spec'd and was already built and waiting for shipment... When it arrived the dealer checked and emailed me (I was out of town) that it did not have the cooler. I did not take delivery of that car. ... The dealer was great about it. I believe the same salesman had another customer also not take delivery for the same reason. They are not to happy with BMW.
Dealers unhappy with BMW's tactics on this? .. Good for the Dealer..they are ahead of the curve.. march with us, I say..

The bean counters were likely out to make a few bucks on the STEP Performance crowd, based on past driver profiles.. what were they thinking? .. I'm guessing it's a leftover 20th century mindset, aka Divide and conquer and coverup... And like watergate and more recent doings, it's not the error/ommission that is the big deal, it's the after the fact rug sweeping and cover-up that gets 'em every time.

This is a great example of the new consumer internet order.. you just can't get away with that crap no' mo'. Figure out how to work with it, Corporations, it'll only get worse.. Deer in the headlights is not a good Corporate Image. Closure rates are a lot faster now then they were in the tube radio days ....

Last edited by Lost Horizon; 04-14-2007 at 05:53 PM.. Reason: focus the rant
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      04-16-2007, 12:32 AM   #54
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I pick mine up on tuesday, i'll let you know if it has the cooler or not. I ordered the car february 23rd, so it's on the cusp of the march production.
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      04-16-2007, 07:23 PM   #55
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The car has the cooler and the higher temp gauge, 340.
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      04-16-2007, 10:34 PM   #56
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I am looking at the correspondence images posted by BMW drei on April 9 '07 in which BMWUSA says in a letter to him "...any 335i with the 150-mph top-speed limiter (thus the sport package) has an air-to-oil cooler position in the right front wheel well…” The only problem is the date on the letter… which is March 8, 2007. We have fairly well established that all 335i step sports built starting in March 2007 will have the cooler. So, for BMWUSA to state on March 8 that they all have them is very misleading...and it really doesn't help our case.

I think that Lost Horizon makes the best case for us. Basically he says (and shows) that all available literature about the 335i states (in fact, brags about) the separate oil cooling system. And, very importantly, that no differentiation is made about transmission or destination country. It seems to me we can walk into the dealership with this literature in hand… and ask…what day should I bring her in for the retrofit? Case closed.

Lost Horizon… if you are still out there…you say you got the information you posted from a “BMW produced documents (Printed in September 2006).” Can you be more specific? Where exactly did you get this (very good) stuff? (And, thanks)

I got a form letter from my dealer the other day. It said I should expect a phone call soon from BMWUSA where they will survey me about my buying experience. I can’t wait…

335i Space, Step, Sport, Nav, Feb 14 build…no oil cooler
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      04-17-2007, 12:27 AM   #57
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Quote:
Originally Posted by JimmyBob View Post
..

I think that Lost Horizon makes the best case for us. Basically he says (and shows) that all available literature about the 335i states (in fact, brags about) the separate oil cooling system. And, very importantly, that no differentiation is made about transmission or destination country. It seems to me we can walk into the dealership with this literature in hand… and ask…what day should I bring her in for the retrofit? Case closed.

Lost Horizon… if you are still out there…you say you got the information you posted from a “BMW produced documents (Printed in September 2006).” Can you be more specific? Where exactly did you get this (very good) stuff? (And, thanks)

335i Space, Step, Sport, Nav, Feb 14 build…no oil cooler

I can't remember exactly where I got it, but it was readily available on one of the forums in pdf format. The Printed date on the document is September 2006. I believe it was put out for technicial introduction / training / familiarization for the N54. It's very well put together.
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      04-17-2007, 07:46 AM   #58
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Lost Horizon, you obviously still have at least parts of the document. Do you still have the entire document? As a PDF perhaps? Can you to post the PDF itself on ePost90? (Or, do you just have the hard copy?) At a minimum, can you post the title page and any other pages that clearly show this was a BMW publication and also include any page that shows the date of the publication.

Again, it seems to me that if we can show that, while making our buying decisions, we relied on information in a BMW publication (published prior to our buying) that we have a very strong case for demanding (in a calm, nice way) the retrofit.

Thanks again...appreciate your help.
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      04-17-2007, 07:54 AM   #59
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Quote:
Originally Posted by Brisk View Post
alright i will take a picture in a little bit but my

MARCH BUILD,

335I COUPE
SPORT
AUTO,PADDLES


temp gauge reads in degrees F=
i cant remember the first temp digit.. 250(middle) 340(maxed out last)

with the help of the member SIMPLE1 we have verified that the max oil temp has changed from 300 to 340....

the cars with no oil cooler have a 300 max oil temp...

the cars WITH the oil cooler has a max oil temp of 340..

hope this helps u guys..


anyways after running my car in traffic and a bit hard the temp never budgets a bit at or over the middle 240 degree mark... i have finally concluded that 240 or a tad below to the normal and ideal operating oil temp. for the cars with a oil cooler.


btw where the hell is all the other march builds or am i the only guy with a auto and sport coupe 335i who got a different oil gauge and oil cooler??????


-lumi
Are you sure about this? I have a manual 335i sedan, I know I have the air/oil cooler, seen it myself. And my temperature only goes up to 300. I thought it was confirmed by other members that the sedan goes up to 300, while the coupe goes up to 340, but it is less accurate on the coupe?

I've ran my car pretty hard in the canyons and never saw it passed 255...
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      04-17-2007, 07:57 AM   #60
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Here is the link to the PDF file lost horizon used http://www.e90post.com/forums/showthread.php?t=38856
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      04-17-2007, 10:31 AM   #61
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Quote:
Originally Posted by BoostedInPhx View Post
Here is the link to the PDF file lost horizon used http://www.e90post.com/forums/showthread.php?t=38856
thx boosted... was about to plunge into a search...

The most damning part tho, is the fact that it gets put on a manual STEP with the Performance package, and not the auto.

AFAIK, there have been *no* reported limpers in that MT Category, but some in the STEP performance category. That seems to indicate that either the MT drivers are wusses (lol - that will start a firefight) or the cooler makes a big difference.. anyone know of an MT Performance limper?
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      04-17-2007, 01:16 PM   #62
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BMWNA called me back today and told me I'll get an oil cooler with no charges from BMW. Just received the fax with the release information and the dealer will call me as soon as they get it to get it installed.
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      04-17-2007, 01:50 PM   #63
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Quote:
Originally Posted by boostedtwin View Post
BMWNA called me back today and told me I'll get an oil cooler with no charges from BMW. Just received the fax with the release information and the dealer will call me as soon as they get it to get it installed.
What is the build date for your 335 and is it a coupe, step with sports? Tx.
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      04-17-2007, 01:55 PM   #64
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      04-17-2007, 04:34 PM   #65
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Quote:
Originally Posted by boostedtwin View Post
BMWNA called me back today and told me I'll get an oil cooler with no charges from BMW. Just received the fax with the release information and the dealer will call me as soon as they get it to get it installed.
I am wondering if it will effectively be the same oil cooler unit that is in the other models, or if it is a special retrofit oil cooler kit?
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      04-17-2007, 06:24 PM   #66
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I heard that they are using a bigger oil cooler that they use on their racing cars as compensation for our long wait time for the retrofit. The racing oil cooler keeps oil temps at a maximum of 220 degrees and produces 20 whp more than cars with the cheepo oem filter.
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