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Old 08-21-2007, 01:48 PM   #1 (permalink)
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Looking for VF Engineering failure stories

Hey guys...

So my VF s/c unit failed after only 6,000 miles. Warranty service was ok, and the unit is on its way back to me.

A friend's VF s/c did the same thing after just a few more miles on his 740. His warranty service was terrible...they even wound up sending him a secondary temporary unit while they took care of the first one.

A third acquaintance's unit started making nasty noises after only a few thousand miles on an E39 540, then entered catastrophic failure almost immediately, destroying his engine.

How many other horror stories are there? It would be interesting to gather a group of us together and talk.
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Old 08-21-2007, 05:10 PM   #2 (permalink)
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Yikes!



Dude, you are seriously scaring me....I iwll do some digging around for more info. As far as I know, the Vortech unit provided by VF has been excellent. We've discussed this before and I'm glad they are taking care of you, but catastrophic failure??! NOT OK. Stand by.
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Old 08-21-2007, 06:55 PM   #3 (permalink)
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By "catastrophic failure," I mean that the aluminum fanblades shredded and were taken into his engine, destroying both banks of pistons. I'd call that pretty catastrophic. He's still in negotiation with VF regarding what they are going to do about it.

Not to mention that it stranded him 800 miles from home...
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Old 08-22-2007, 11:55 AM   #4 (permalink)
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Here is a picture of the shredded supercharger unit from my acquaintance's 540...

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Old 08-23-2007, 06:46 AM   #5 (permalink)
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Old 08-23-2007, 02:53 PM   #6 (permalink)
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sooo why would you go with VF after your friend had his blow up on himself?
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Old 08-23-2007, 04:02 PM   #7 (permalink)
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OMG that pic makes me cringe
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Old 08-31-2007, 01:16 AM   #8 (permalink)
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Thats a VERY common failure.. and why we stopped carrying vortech vq blowers after being a distributor for them for 2 years when I worked at the caddy/hummer dealership.

The bearings fail frequently and as a result the impellers have too much play and hit the housing and do exactly that.

Ontop of that very common failure, they usually would make me pay for the repair almost always claiming foreign matter was introduced to the unit and caused the damage.

In those 2 years, there was at least a 50% failure rate on all units we sold.

Even if they dont fail, after 15-30k miles they start getting pretty noisy, which was the first sign they were about to go.. started rattling, etc, like there was marbles inside the blower.

I NEVER saw one with over 60k miles on it that wasnt rebuilt at least once.


My room mates on his 98 m3 did the same thing after 12k miles.. killed his engine completely. block, head, nothing was saveable.


Caveat Emptor.
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Old 08-31-2007, 01:23 AM   #9 (permalink)
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Well mine lasted 6K the first time...we shall see how long it lasts the second time around.

I really appreciate that info.

Saltshaker, my friend and I installed our kits at roughly the same time. Our units failed at roughly the same time, too. I just didn't drive mine after it started making weird noises.
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Old 08-31-2007, 07:43 AM   #10 (permalink)
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I hear ya loud and clear. But I have very contrary info from my Vortech seller, whom I trust, who tells me not a single time has he had a problem such as you describe. I guess the bottom line is you always need to keep an eye (and a good ear!) on you blower and act if you hear something unusual. Any updats om VF's handling of your replacement blower? Did you get it yet, etc? Hang in there man. RM
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Old 08-31-2007, 09:22 AM   #11 (permalink)
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I hear ya loud and clear. But I have very contrary info from my Vortech seller, whom I trust, who tells me not a single time has he had a problem such as you describe. I guess the bottom line is you always need to keep an eye (and a good ear!) on you blower and act if you hear something unusual. Any updats om VF's handling of your replacement blower? Did you get it yet, etc? Hang in there man. RM
Yup, got it, it's installed, much quieter, working great.
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1995 E38 740i. Highly modded. Faster than you.

Sold 2-28-07: 1997 E36 M3/4, 8-30-05 RIP 1997 528i


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Old 08-31-2007, 10:17 AM   #12 (permalink)
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Brought mine into my shop yesterday (GOD what an amazing place that is! POWER, Yes MAD with POWER! GALORE! and everything from a mint BMW 2002 from back in the day to the fastest Porche in the USA - 900WHP 9.1 for the 1/4 mile! Makes the RUF 911 modded Supercar in the last Road and Track seem SLOW and has an intercooler the size of a small air conditioner, etc etc LOL).

Anyway, the owner took my Roadster up and down the semi private street where the shop is to see whether the temporary jury rigged clamp on the primary air hose would hold - and it did. They are beefing it up today so I never have this issue again - AMEN.

I did forward your horror stories to the place I bought my VF unit from in FL and again, he's a stand up guy and they've had little to nothing in the way of problems despite all the units they sell. Whatever the deal, I will definitely belistening closely as the miles pile up on my S/C and keep my shop on top of it too. They are the #1 preferred shop for VF installations in the NYC metro area and in fact were referred to me BY VF Engineering. They had no horror stories either and in fact were formerly the mainnshop for Active Autowerke and had experienced too many problems with them and so switched to VF last year or so.

Bottom line, keep an eye on your unit, enjoy it and may you NEVER have problems! Enjoy the holiday weekend folks!

I'll be down in Atlanta the weekend of 9/14-9/165 for the PGA Tour Championship and Fed Ex Cup finals, staying at the Ritz in Buckhead and bringing the wifey ...
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Old 08-31-2007, 12:16 PM   #13 (permalink)
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I'll let you know if I still live here then. Would be cool to meet up if so.
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Sold 2-28-07: 1997 E36 M3/4, 8-30-05 RIP 1997 528i


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Old 08-31-2007, 02:08 PM   #14 (permalink)
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Absolutely. PM me as we get closer to the date. Picking up the Roadster in 20 minutes. They did not have time to put in the boost gauge I want, but will soon. Also still negotiating on getting their new dyno (which we will totally unleash the roadster on to see the actual HP). Enjoy the weekend man.
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Old 09-01-2007, 12:12 AM   #15 (permalink)
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RM do you let your wife drive that beast? If so when can she give me a ride
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