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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > UK > E92 320d bov or dumpvalve



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      04-21-2012, 09:22 PM   #1
conor.ireland360
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Hi guys

Hi so I was just woundering i put up this post but no real success last time some now I'm trying uk and Ireland.
Anyway does anyone know how to make that sound the bov or dumpvalve makes when u switch gears. It's the kind of woosh sound. Is there anyway u can do it without buying a dumpvalve or blow of valve any help what's so ever would be a great help pics and vids welcome

Thanks
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      04-22-2012, 12:12 AM   #2
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PMSL.... do you know how shit it would look to see a nice BMW Denzil, then to hear a PTTTIIISSSHHHHHHH?!!

Because your car has a turbo, an electronic dump valve can be fitted but would be a waste of time and be a completely stupid thing to do.

Honestly mate, I'm not trying to put a downer on the idea but your better off spending your money on some M/// badges and other things!!!
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      04-22-2012, 01:57 AM   #3
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Dont listen to the haters,here's a useful link...

http://www.google.co.uk/url?sa=t&sou...vTOQcbJti6TwXA

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      04-22-2012, 03:28 AM   #4
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The last thing I would want is for my BMW to sound like a Subaru, don't get it
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      04-22-2012, 06:44 AM   #5
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Thanks for being so negative but I just like that sound of it and it was only a question
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      04-22-2012, 07:05 AM   #6
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I like the sound of BOVs too....Active Autowerks do one for the 335....not sure about ur car OP.
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      04-22-2012, 07:53 AM   #7
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Is it for your dad's car?
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      04-22-2012, 01:57 PM   #8
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Thumbs down

Do not like.

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      04-22-2012, 06:47 PM   #9
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Quote:
Originally Posted by conor.ireland360
Thanks for being so negative but I just like that sound of it and it was only a question
I wish I could help you out here mate, however I know nothing about under the bonnet!

I've heard people mentioning air induction kits, which is a lot more easier to attain and does provide a pleasant sound upon acceleration!

As for negative opinions, ignore them!
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      04-22-2012, 09:58 PM   #10
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Seriously. Don't ignore them.

When I tell my dad he's a terrible dancer..he really shouldn't ignore me.
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      04-22-2012, 10:06 PM   #11
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And sometimes we should all refrain from calling a constructive comment a negative one. You drive a BMW because it's a classy car no? Although I understand and respect your liking to the bov/dump valve sound, you really need to ask the question whether it would suit your car. I would actually suggest you think about buying an evo or a Subaru sti instead and I mean that in a serious way. I actually like the sound too funny enough but I wouldn't dare to have one on my 335i. You don't buy a Picasso to put in a disco lighted frame. Not meaning to be harsh also mate. Hope you take it as constructive advice and definitely not as if I'm "hating" lol..sometimes the best advice can be taken negatively as an attack on freedom of opinion. Anyways, hope you find the correct bov advice of you do stick to your plan
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      04-23-2012, 02:27 AM   #12
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plkease dont do it....
it works on a button so when you lift off the throttle it sends a charge to the BOV to let off.
they do sound a it rubbish tbh..a friend had on on his big turbo diesel fabia..and it was not that great mate
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      04-23-2012, 07:47 AM   #13
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Quote:
Originally Posted by takumichinoku View Post
Seriously. Don't ignore them.

When I tell my dad he's a terrible dancer..he really shouldn't ignore me.
If your dad enjoys dancing, he still going to dance. Its fun!

Same thing here OP, If you really want it, DO IT! At the end of the day, your car is a source of fun! Not a social insecurity tool whereby you must fit that: "I'm a BMW driver and I put a barge pole up my ass".

Via posting it up on here your bound to get both positive and negative criticism.

Back on topic:
Personally if someone asked me If Id like that sound in my BMW, Id say Yes. I personally think it sounds sick.

Dont forget a lot of people like to keep their car stock, I dont and by the sounds of it, you dont too!
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      04-23-2012, 09:07 AM   #14
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Ya thanks man I havnt let it affect me I'm still just looking around I'm just in the middle of putting carbon wrap on the trim inside any pointers on how take of the trip easily
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      04-23-2012, 09:38 AM   #15
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It will look shit. If you wanted a big power turbo car buy a petrol 4WD motor for which a BOV will be necessary (if your running enough boost to warrant it) and it won't look as chavvy.

If I saw a 335i with one I'd think chav. If I saw a 911 turbo with one I'd think twat. Even worse on a Denzil 2 litre which really does not need it.
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      04-23-2012, 09:59 AM   #16
takumichinoku
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But as 1SH said "they sound sick!"

il leave this one to you folks. I'm off to put Swarovski crystals on my wheels.
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      04-23-2012, 10:17 AM   #17
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Quote:
Originally Posted by conor.ireland360 View Post
Ya thanks man I havnt let it affect me I'm still just looking around I'm just in the middle of putting carbon wrap on the trim inside any pointers on how take of the trip easily
As long as you receive gratification whilst driving your car and hearing that beautiful noise upon gear change, then go for it.

Although it may sound sick to me, it may not sound sick to a baboon with swarovski crystals on his rims and a rod up his arse, big enough to ruin his cloth seats in his pride and joy.

As for trim removals:
http://www.e90post.com/forums/showthread.php?t=137527
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      04-23-2012, 10:18 AM   #18
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It would serve no purpose so I see no point.

I had a Dump Valve on my MR2 Turbo and I loved it. I took it off though as it actually had a negative affect on the engine due to the air flow meter. (It was a rev 2 for anyone in the know). As much as I loved the noise there was no point in having it if it wasn't serving a purpose.
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      04-23-2012, 11:13 AM   #19
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I took the dumper off my Fiesta RS Tubby, and the wastegate chatter (actually it's compressor stall, not wastegate chatter at all) sounded immense, but that was on an old skool ford running much higher boost than standard. It was pretty cool no getting awayfrom the noise.. It's just there!

I wouldn't have dreampt of having one on my twin turbo 335d when I had it.

I can't imagine the OP has ever owner a proper turbo car before. Cuz if you had you really wouldnt feel the need for one on ya 320d
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      04-23-2012, 12:42 PM   #20
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HAHA ^^

Harsh but fair

Dont do it OP.
Why would you want to put it on a soot chucker
Just give the money you would have wasted on this to charity
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      04-23-2012, 01:08 PM   #21
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You can't actually put a dump valve on a diesel engine - as there is no throttle valve to 'halt' or slow up the charged air, as on a petrol engine.

The chavvy BOV's you hear on diesels (usually boyed-up 306 diesels either use the brake servo vacuum to give a noise or it is a pre-recorded 'noise'

Avoid.
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      04-23-2012, 01:38 PM   #22
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Quote:
Originally Posted by 335iLondon View Post
HAHA ^^

Harsh but fair

Dont do it OP.
Why would you want to put it on a soot chucker
Just give the money you would have wasted on this to charity
+1 million
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