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Old 01-20-2013, 05:15 PM   #181
wildirish317
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Quote:
Originally Posted by wildirish317 View Post
I think RockAuto has their parts mixed up. The DISA I purchased had the heading "2004 BMW 325CI 2.5L L6 : Engine : Intake Manifold Runner Control Valve " and under it had this "DORMAN Part # 911900 {#11617544805}"
This is from their website catalog. If it's a typo, it's probably now a flaw in their parts system. After they get a few returns, they'll figure it out.

If they offer to pay return shipping and ship the correct part, I will still try it. Otherwise, I'll probably use a repair kit.
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Old 01-20-2013, 06:10 PM   #182
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Maybe you can get someone to pull the 2 units and see if one is longer than the other??

I find many times on unusual parts like this that part numbers do get screwed up.

The problem is the DISA with application swapped is it will fit in one engine, but be too short, but will not fit in the other engine as it is too long.

So the problem will only show up when trying to put the longer unit in the shorter hole!

You might also check with Dorman just in case they have something screwed up.

Good luck.
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Old 01-20-2013, 07:06 PM   #183
always-there
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I think the gas repair kit is a great improvement over the original design. There's always room for improvement. Btw, I just purchased the kit last night.
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Old 01-20-2013, 07:21 PM   #184
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I have installed the GAS kit, have had it in my hands, and can provide my experience "repairing" my DISA at the 70k mile mark. I tested the vacuum functionality and it tested perfectly (The GAS instructions suggest this test first to make sure the parts of the DISA not addressed by the kit are still working correctly). I also checked the flap's ability to stay put, and it was fairly loose (rotated around the pin loosely). Upon disassembly the hex shaped plastic piece was rounded on the edges, which caused the looseness. The GAS kit is very complete, with everything needed to replace that pin, flap and related components with a metal part (that wont strip like the plastic part) that fit together perfectly. I was impressed with the fitment of the parts provided.

It is my opinion, that although eventually that vacuum part will fail, but the GAS kit reliably addresses what seems to be a very common failure point of the DISA assembly.

And post-install, with a properly operating flap that only "flops" when its supposed to, I can repeat the experiences of others that acceleration is very smooth and strong across the 3-4k RPM range and was a noticeable improvement.
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Old 01-20-2013, 08:34 PM   #185
wildirish317
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Originally Posted by jfoj View Post
You might also check with Dorman just in case they have something screwed up.

Good luck.
Just did a search on Dorman's website. They list p/n 11617544805, which is the 330 DISA, but a search for p/n 11617544806 (325 DISA) returned zero results. I don't think Dorman makes a DISA for the 325.
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Old 01-21-2013, 01:30 AM   #186
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Quote:
Originally Posted by jfoj View Post
Maybe you can get someone to pull the 2 units and see if one is longer than the other??

I find many times on unusual parts like this that part numbers do get screwed up.

The problem is the DISA with application swapped is it will fit in one engine, but be too short, but will not fit in the other engine as it is too long.

So the problem will only show up when trying to put the longer unit in the shorter hole!

You might also check with Dorman just in case they have something screwed up.

Good luck.
With regards to the DISA pin, I'm completely with TerraPhantm on this. No way is this pin just going to fall out of the frame, even if the flap falls out. There would have to be some fairly serious plastic breaking for the pin's shoulder to find it's way out of the frame UNLESS the part that was installed was a 325 DISA into a 330 intake. THAT would create a problem, and the pin could theoretically fall into the intake without quantum physics being involved. Logically I can't see the pin being ingested any other way.

I've purchased some Dorman brake parts for my Dodge not long ago. It was a kit, and I went to the Dorman site to validate the parts of the kit. I replaced the front caliper pistons and seals. The pistons were the right size but the seals didn't fit. My experience with Dorman at this point, and reflecting on these posts is that they do a poor job of making certain the parts they are either sourcing, spec'ing, or manufacturing will properly fit the application.
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Old 01-27-2013, 11:05 PM   #187
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Quote:
Originally Posted by wildirish317 View Post
I think RockAuto has their parts mixed up. The DISA I purchased had the heading "2004 BMW 325CI 2.5L L6 : Engine : Intake Manifold Runner Control Valve " and under it had this "DORMAN Part # 911900 {#11617544805}"

If I'm correct, the last number is the BMW part number for the 330 DISA.
Just checked RockAuto, and I'm not sure if they've updated the site since you purchased, but the listing states "Engine Code M56" which may explain the size difference. Oddly, they don't list one for the M54. (Although, according to realoem, the M54 and M56 use the same DISA in certain cases.)
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Old 01-28-2013, 02:43 AM   #188
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Originally Posted by rbmwfan View Post
Just checked RockAuto, and I'm not sure if they've updated the site since you purchased, but the listing states "Engine Code M56" which may explain the size difference. Oddly, they don't list one for the M54. (Although, according to realoem, the M54 and M56 use the same DISA in certain cases.)
2.5L M56 (SULEV) DISA uses the same (larger) size as the 3.0L M54 DISA

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