03-10-2020, 03:32 PM | #1 |
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S63 Turbosmart BOV upgrade w/OEM chargepipe
Found this BOV upgrade is available for the s63 engine - this will hook right up as a replacement for the OEM diverter valve
Part number is TS-0223-1292 https://www.turbosmart.com/product/b...lumb-back-vr9/ People are using the VR11 on the M2 with success I have turbosmart BOV/s right now but it is a custom setup might try these for use with the OEM chargeipe They are a dual port so it vents to atmosphere and back into the turbo intake so shouldn’t throw a CEL but I haven’t tried it so can’t confirm Anyone looking to upgrade their diverter valve this is besides the DV+ the only other option so far for OEM fit |
03-10-2020, 05:20 PM | #2 | |
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04-14-2020, 03:24 AM | #4 |
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$230 each! Dayum, that is very expensive but hey if they are more robust than the factory ones......once my factory ones start going bad i might get these.
OP if you go ahead and get these please post pics and let us know if you get a CEL or not. Thank you.
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07-09-2020, 08:06 AM | #6 | |
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07-10-2020, 10:30 AM | #7 |
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I put together my own chargepipe that can be either recirculated or vented to atmosphere - I never had a cel because of it
I originally did all this to upgrade to TU turbos and just happened to find these Just so happens you can use the same vacuum actuator for the wastegates as an actuator for a vacuum operated BOV and use any aftermarket available .... same concept they are doing. I use one of their vacuum BOV’s for my custom setup this one is more just plug and play with OEM chargepipes
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Last edited by frankenm; 07-10-2020 at 10:39 AM.. |
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07-15-2020, 12:13 AM | #8 | |
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07-15-2020, 10:20 PM | #9 | |
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07-15-2020, 10:59 PM | #10 |
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Exactly what upgrade does this have over the OEM diverter valve?
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07-16-2020, 01:29 AM | #11 | |
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I added a link in my last post to a sound clip I took with their kompact series BOV's at full atmospheric vent that I used in my setup for TU turbos ... I enjoy them they make cool noises |
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07-16-2020, 05:53 AM | #12 | |
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This should give you a good idea of what adding a BOV does to a car https://www.eurosporttuning.com/blog...low-off-valve/ If you have a high boost application and you tear your DV membranes frequently there is the GFB DV+ that could be considered a performance upgrade. Generally DV are not a weak point on most cars, and are pretty cheap/easy on the M at least to replace when/if they fail. I think I replaced both of mine for $120, and under 20 minutes. Mine were fine vintage 2011/61K miles, I replaced them tracking down a 30FF error. They were not the cause. |
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07-16-2020, 10:23 AM | #13 | |
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A diverter/bov are literally the same thing saying your not a fan doesn’t make sense the only difference is recirculating and venting to atmosphere I logged a ton when I was testing my setup and never had a problem with a fully vented to atmosphere setup - remember this engine does not have a MAF GV+ bits imo are a rip off |
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07-16-2020, 07:32 PM | #14 |
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They are on eBay and they come in a pair they look to be of high quality I mean this is not a variable vane turbo charger for Christ sake so I mean it's not that difficult to design lol sorry that's the mechanical engineer in me talking lol But take a look there really good at least they look good to me if anybody is ever heard of problem or think these are shit please let me know because I'm looking to pull the trigger on them. If you click on the picture the price and info will come up swipe to the right and you'll get more info, I think it's $286 for the pair is decent
I'm just curious to know if anyone's ever use these? |
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07-17-2020, 12:39 AM | #15 | |
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07-17-2020, 07:13 AM | #16 | |
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You are right about the differences between a BOV/DV but incorrect on the performance impact. Adding a BOV to a diverter equipped car will reduce performance in proportion to the amount of pressure it vents to atmosphere. Vent to atmosphere = loss of turbine speed and spool. Diverter recirculates boosted air keeping the turbo spooled which = a minor loss of spool during shifts and throttle let off. BOV vented boosted air to the atmosphere, stalling the turbine and increasing lag as the system has to re-pressurize the intake once full power is demanded. Car manufactures went to DVs for the performance benefits, folks go to BOVs for the sound. https://www.eurosporttuning.com/blog...low-off-valve/ Last edited by Thecastle; 07-17-2020 at 10:53 AM.. |
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07-17-2020, 07:37 AM | #17 | |
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I can't say I've heard of a rash of torn DV's on the X5M. This doesn't seem to be a weak point on these cars. The Diverter valve on the X5M seems to be exactly the same design as used on VAG cars. Probably interchangeable. I can speak on my GTI, that I went big turbo and had 28-31psi of boost on the stock DV without any issues. Folks aren't running their X5M in this range with stock turbos. As part of my endless modding I did try the DV+ on the car and didn't find it made really any difference over the stock DV. Their advertising was sold as having faster throttle response etc. My highspeed logging (120hz) couldn't find any real difference. It did change the noises slightly. So my general opinion other than for sound in the case of the BOV, there isn't any real need for any of this stuff on a stock turbo X5M. Spend your money elsewhere. My DV's on my 2011 X5M with 61K miles original, I replaced a few months ago chasing a 30FF. They were not the cause of my problem and they were not torn/leaking and were working fine. But I replaced them anyway as part of my trouble shooting. It was a combination of tired MAF sensors and bad pneumatic pressure converters for me. After the MAFs were replaced no more reduced power, but occasional weird stumbles with no check engine lights. Pressure converters replaced car ran good as new. They are a PIA to replace. Last edited by Thecastle; 07-17-2020 at 10:54 AM.. |
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07-19-2020, 12:12 AM | #18 |
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The S63 engine does not use a MAF - it uses dual MAP sensors - both of which are after the diverter valve and do not ever measure the air it dumps back ... I know the engine will through a code with the stock setup if you mess with the diverter valve or remove the hoses.
You can switch to a vacuum operated valve or this turbosmart one and it will work the same as OEM without the code - I know this because that is what I did on mine for over 5k miles and never had an issue. This is honestly only for the people that don't mind spending money in the hope that it will last longer because the OEM valves do eventually fail and cannot be serviced - there is no other option for a full bolt on replacement valve on the stock system. Your correct in that the system uses the same diverter valve as other cars the whole S63 is nothing but a frankenstien of a car mashed together. |
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07-19-2020, 02:53 AM | #19 | |
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07-19-2020, 08:18 AM | #20 | ||
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https://www.fcpeuro.com/products/bmw...rg-11657601058 I've had my car 9 years and the DVs never failed, both the DV+/BOV just seems like expensive solutions looking for a problem. Not to say there aren't use cases for both, enhanced sound for BOV, and potential better durability under high boost situations on the DV+, with upgraded turbos. From that perspective aren't all cars just a combination of 3rd party supplier parts? With some tuning, esthetics and a little engineering thrown in to differentiate their vehicle from others using the same parts? Last edited by Thecastle; 07-19-2020 at 08:25 AM.. |
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07-19-2020, 08:21 AM | #21 |
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Yes they can, the DVs are replaceable, quite easily in fact. I've actually serviced mine as preventative while fixing a 30FF error.
https://www.fcpeuro.com/products/bmw...rg-11657601058 https://www.realoem.com/bmw/enUS/sho...diagId=13_1339 They're easy to access, part swap. |
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07-19-2020, 11:40 AM | #22 |
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You just replace them ...
Here is a photo of some prototyping I did with my TU turbos upgrade ... notice the DV deleted and where the air is recirculating? - I figured this engine out already I know how it works |
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