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VW B5 Passat TDIs This is a general discussion about B5 Passat(>98 (2004-2005 in North America)). Non TDI related postings will be moved or removed.

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Old August 5th, 2014, 04:48   #61
50harleyrider
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I run a bootleg V11 and it will do that. I always just reboot the software and it's fine(for a while). I'm definitely in the market for a genuine can bus Rosstech cable. The tuners seem to get harder and harder to get to respond these days. Summer vacations? I'm trying to get a new tune and it's like pulling teeth. Mike at tdtuning seems the exception.

Last edited by 50harleyrider; August 5th, 2014 at 04:51.
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Old August 14th, 2014, 04:53   #62
50harleyrider
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Just wanted to update this thread. I had been getting random limp modes after the turbo upgrade. Mike tweaked the stage 2 tune and no more limp. If anyone goes or went with the BV43A, I would recommend buying this tune from him. Tell him you want the Stage 2 version 1 he provided me.
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Old August 14th, 2014, 06:25   #63
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I have been having some severe lag problems and Mike has real with working with me. I was having trouble on take offs and trying to get speed like say to pass, and also limp mode. Mark has retuned mine a few times to get bugs out. I still notice a dead spot in the RPMs between 1600-2200 RPMs when I use the manual mode on the*transmission (which I like to use when I don't want it to shift down), but the boost is slowly climbing til it gets around the 2000rpm range and the boost is about to 20 psi then is spikes to 28-30 psi range or till the VNT opens up and then it picks up power. But otherwise if is fine, just that dead spot*when*I am in manual mode.
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Old August 14th, 2014, 08:17   #64
50harleyrider
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Carlos,
Mike at Tdtuning has been working with you and you have a Malone stage 2? Hmmm. I doubt the BV will ever spool as fast as the VA since it's got more mass. I just live with that but even that improved to tolerable levels with the latest tweak Mike provided. I'll eventually go manual. My entire conversion is on the shelf waiting.The friggin automatic basically sucks and won't ever be ideal with these mods we do.

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Old August 14th, 2014, 16:30   #65
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Clear up the waters here is it Mark Malone, and Mike at Tdtuning the same or what is the difference?
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Old August 14th, 2014, 16:36   #66
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But yes I do have the Stage 2 tune? The latest version of tune, which would be the tenth modified tune on Stage 2, was a big improvement. That dead spot I am talking about, Mark and Andrew Rodriguez told me to check my VNT actuator calibration but haven't done it yet and I will.
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Old August 18th, 2014, 06:33   #67
50harleyrider
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Malone and Tdtuning are different tuners. Maybe there's a Mike at Malone too. At any rate, looks like you're getting there. N75 settings were causing my limp. I never touched the VNT. It is still at the setting Frans provided. From my understanding, the VNT actuator would have to be really far off as it is taking signals from the ecu through the N75 anyhow and only responds to that vacuum signal. Keep posting so we can help guys out when they make the right decision and get this awesome mod.
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Old October 8th, 2014, 09:55   #68
blujett2.0
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Hi 50harleyrider. Any updates on how the Passat is running?
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Old October 8th, 2014, 12:59   #69
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Knock on wood-no more limp. Turbo is healthy and all is well (except for the guys I smoke!) I'm so anxious to get my manual swap done, I think I'll advertise the perfectly good vw rebuild 60k mile GMR.
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Old August 17th, 2015, 12:03   #70
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looking for updates - how are these modded Passat's running?
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Old August 18th, 2015, 05:51   #71
50harleyrider
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Always good to see this thread revisited. So far, so good at 20k miles. My favorite TDI!
^^^ Frans at Dutch Auto Parts, Mike at tdtuning, and vwztips for getting me interested in BHW passats.

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Old August 18th, 2015, 19:01   #72
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Unfortunately there are no BV43's available. Waiting on my DAP2 version from Frans to install in my Audi A6 BHW/DQS 6MQ conversion.
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Old August 19th, 2015, 05:55   #73
50harleyrider
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Quote:
Originally Posted by vwztips View Post
Unfortunately there are no BV43's available. Waiting on my DAP2 version from Frans to install in my Audi A6 BHW/DQS 6MQ conversion.
Did you check with all the vendors on here? Seems like new ones were available when I got mine but they didn't have the bearing longevity mod Frans did to mine. Hopefully Frans will get the DAP2 version to you soon. The BV43A was an Audi oe turbo. You'd think there would be sources especially in Europe...
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Old August 19th, 2015, 07:19   #74
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Yes you can get new ones, but Frans does not recommend them in stock form for longevity purposes and you also need to change the intake side of the housing to make it work properly with the B5.5 piping.

I did find new ones from Bora and used ones in Europe.
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Old August 19th, 2015, 07:40   #75
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I've run used and rebuilt stock BV43's with no problem. currently the one in my Passat is being used and abused pretty hard(as high pressure turbo in compound turbo setup at 50+psi), no complaints. I'd take new over modified any day.
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