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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 screwed up an engine...so says my Service Advisor. Sound wacky?



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      04-24-2008, 09:32 PM   #1
bspaceman
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Dinan Exhaust screwed up an engine...so says my Service Advisor. Sound wacky?

So when I had stopped by my dealer to have them check out my damaged rear bumper I asked my Service Advisor about Dinan. He was very quick to tell me that a Dinan exhaust messed up an '08 335i, causing the turbos to spool higher and alll sorts of other mumbo jumbo which, in all honesty, was above this layman's head.

Keeping in mind that:

1. My dealer doesn't sell or support Dinan products.

2. My LOCAL dealer not only sells and supports Dinan but actually promotes them on the counter at the service department (The service advisor there actually offered Dinan products to me).

Does this sound wacky to anyone? Will Dinan fix any engines their products mess up? Can an exhaust actually mess up an engine? I always thought that exhausts were an easy bolt on which was safe.

I am interested in adding an exhaust, intake and maybe a reflash but I don't want to get any hassle from the dealership.

Can someone clarify all of this nonsense for me????
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      04-24-2008, 09:33 PM   #2
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One more thing, I have a 2007 335 coupe so the reflash, from what I understand, can occur without worry....I think.
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      04-24-2008, 09:35 PM   #3
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Sounds like BS to me, but guess what. If they did mess up the motor they will replace it under warranty, problem fixed.....
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      04-24-2008, 09:42 PM   #4
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More lies, run don't walk from that stealership, he is clueless
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      04-24-2008, 09:49 PM   #5
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yep..that guys smokin somethin id like to get my hands on haha...
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      04-24-2008, 09:50 PM   #6
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Unbelievable BS. The SA does not have a clue how 335i works. The boost level is set and controlled by the map.
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      04-24-2008, 09:50 PM   #7
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Quote:
Originally Posted by bspaceman View Post
So when I had stopped by my dealer to have them check out my damaged rear bumper I asked my Service Advisor about Dinan. He was very quick to tell me that a Dinan exhaust messed up an '08 335i, causing the turbos to spool higher and alll sorts of other mumbo jumbo which, in all honesty, was above this layman's head.

Keeping in mind that:

1. My dealer doesn't sell or support Dinan products.

2. My LOCAL dealer not only sells and supports Dinan but actually promotes them on the counter at the service department (The service advisor there actually offered Dinan products to me).

Does this sound wacky to anyone? Will Dinan fix any engines their products mess up? Can an exhaust actually mess up an engine? I always thought that exhausts were an easy bolt on which was safe.

I am interested in adding an exhaust, intake and maybe a reflash but I don't want to get any hassle from the dealership.

Can someone clarify all of this nonsense for me????

What he told you is the complete opposite in reality. I love to go in there with and have chat with him….then talk to his manager about making up stories with him there....been there done that and ended well.

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      04-24-2008, 09:59 PM   #8
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Bssssssssssssssss
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      04-24-2008, 10:06 PM   #9
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He is full of it. Tell him that too.
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      04-24-2008, 10:23 PM   #10
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As has been pointed out, its complete horse crap. Boost level is controlled by the waste gates on the turbos which are controlled by the computer and its various sensors. Lowering back pressure in the exhaust, while possibly allowing quicker spool should have no effect on the operation of the waste gates.
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      04-24-2008, 11:29 PM   #11
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full of bs.
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      04-25-2008, 03:26 AM   #12
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I agree. absolute BS.

but... herein lies the problem with aftermarket mods. Not matter what anyone says, regardless of who othey are, if you mod your car in any way from stock a manufacturer or dealer can infact reject any claims - period. Its up to the dealer mostly.

You would have to then prove them wrong - but who wants to go through that?

So... dinan warrantly... this case just proves how useless it can be.
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      04-25-2008, 03:27 AM   #13
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Which dealerships are you specifically talking about? Please let us know.
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      04-25-2008, 08:38 AM   #14
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Absolute BS.

Also, it sounds like that guy is basically telling you "We will void any and all warranty work if there are any modifications on the car."

Avoid going back to that dealership if you plan to do anything to your car.
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      04-25-2008, 08:48 AM   #15
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Quote:
Originally Posted by MNR0 View Post
So... dinan warrantly... this case just proves how useless it can be.
Not really, there was no mention made of how the issue the SA was referring to was ultimately resolved.

While I personally believe that in the event of a major claim on a Dinan car, one will most likely be in a finger pointing episode between Dinan and BMW leaving the frustrated customer unsupported in the middle, I have yet to see any report of an actual warranty claim with a Dinan modified car, so at least give them the benefit of the doubt until we actually have facts.
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      04-25-2008, 09:26 AM   #16
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My impression is that non-Dinan dealers are unusually hostile towards Dinan stuff now. It seems to be coming from higher up, so who knows what is involved. A couple different SAs at different dealerships made a point of suggesting that it would be wise to steer clear of the Dinan flash.
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      04-25-2008, 02:39 PM   #17
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The SA basically told me that the owner owed for a new engine. He mentioned that Dinan has their own warranty but it sounds like BMW will not fix it and that it is up to Dinan to pay for it.

Ultimately, I think you are right in saying that the customer would be left in the middle, frustrated.

I will not name names publicly as this was a casual conversation and I don't want to ruin the reputation of a dealer based on this experience.

I will say that I will most likely stay away from a Dinan flash because I don't want any headaches from whatever dealer I decide to go to.

And, I will add that thus far, my experience with this dealer, aside from the sale and conversations with my CA, have left a bad taste in my mouth. No loaner car, bs from the SA, these are things that are big negatives when you have bought a $50K vehicle. I expect that from Honda, not from BMW.

I have a local dealer here in Thousand Oaks which I plan on discussing the Dinan issues with. I have already met the manager there and they seem to be very friendly. I might start giving them my service oriented business, which is where the dealer makes their money.
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      04-25-2008, 02:54 PM   #18
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Quote:
Originally Posted by stressdoc View Post
My impression is that non-Dinan dealers are unusually hostile towards Dinan stuff now. It seems to be coming from higher up, so who knows what is involved. A couple different SAs at different dealerships made a point of suggesting that it would be wise to steer clear of the Dinan flash.
They probably have always been that hostility between non-Dinan and Dinan dealers. Now even more so just because the flash is wildly popular. The SAs at my dealership have absolutely no problem with it, and actually suggested it. The SA isn't getting paid for that either.

Quote:
Originally Posted by bspaceman View Post
The SA basically told me that the owner owed for a new engine. He mentioned that Dinan has their own warranty but it sounds like BMW will not fix it and that it is up to Dinan to pay for it.

Ultimately, I think you are right in saying that the customer would be left in the middle, frustrated.

I will not name names publicly as this was a casual conversation and I don't want to ruin the reputation of a dealer based on this experience.

I will say that I will most likely stay away from a Dinan flash because I don't want any headaches from whatever dealer I decide to go to.

And, I will add that thus far, my experience with this dealer, aside from the sale and conversations with my CA, have left a bad taste in my mouth. No loaner car, bs from the SA, these are things that are big negatives when you have bought a $50K vehicle. I expect that from Honda, not from BMW.

I have a local dealer here in Thousand Oaks which I plan on discussing the Dinan issues with. I have already met the manager there and they seem to be very friendly. I might start giving them my service oriented business, which is where the dealer makes their money.
If you are worried about the current relationship between Dinan and BMW, check my thread about my recent experience with Dinan.
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      04-25-2008, 02:57 PM   #19
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Quote:
Originally Posted by MNR0 View Post
So... dinan warrantly... this case just proves how useless it can be.
They just gave me a brand new oil cooler, at no cost.

Turned out to prove pretty useful for me.
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      04-25-2008, 04:39 PM   #20
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Dinan Exhaust- causing engine problem BS!

If we were talking about DP's greater possibility, but still unlikely.
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