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BMW Diesel Owners / Enthusiasts
Do you own a diesel powered BMW? Maybe a 335d or a BMW x35d? Come and talk about what makes your car great!

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  #1  
Old 12-12-2012, 11:12 AM
ChasR ChasR is offline
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Location: Atlanta
 
Join Date: Aug 2012
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Mein Auto: 335d, E28 M5, Clubman S
Ordered Quaife today

I finally got tired of DSC interrupting my spirited accelerations and ordered a Quaife from VAC motorsports. THe one on my old race car was/is fantastic, so I'm looking forward putting the d's power to the ground with a real TBD. Next up is Evolve ECU reprogramming. I'm waiting on that due to the BMW recall to reprogram the ECU. No point getting it and having it wiped almost immediately.
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  #2  
Old 12-12-2012, 11:29 AM
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62Lincoln 62Lincoln is offline
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Mein Auto: 335d
PLEASE keep us posted on your progress! This will be an interesting read, for sure!
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  #3  
Old 12-13-2012, 10:01 AM
cssnms cssnms is offline
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Originally Posted by 62Lincoln View Post
PLEASE keep us posted on your progress! This will be an interesting read, for sure!
x2. I've been flirting with VAC over the last year about doing the very same thing.
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  #4  
Old 12-12-2012, 12:58 PM
BMWTurboDzl BMWTurboDzl is offline
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Mein Auto: 335D, 435i (Ordered)
Quote:
Originally Posted by ChasR View Post
I finally got tired of DSC interrupting my spirited accelerations and ordered a Quaife from VAC motorsports. THe one on my old race car was/is fantastic, so I'm looking forward putting the d's power to the ground with a real TBD. Next up is Evolve ECU reprogramming. I'm waiting on that due to the BMW recall to reprogram the ECU. No point getting it and having it wiped almost immediately.
Who will do your install?
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  #5  
Old 12-12-2012, 01:58 PM
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Axel61 Axel61 is online now
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Location: Puerto Rico
 
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Mein Auto: 335d
Now that is some COJONES my friend. Another ****** in the crowd like a FEW of us to make changes w/o worrying about the wartanty, keep us posted ok

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  #6  
Old 12-12-2012, 02:14 PM
ChasR ChasR is offline
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Location: Atlanta
 
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Mein Auto: 335d, E28 M5, Clubman S
I have the ability to change it myself, a shop, a lift and the tools, but I also have a friend in the indy BMW repair business that I trade computer work for car work. I'll have to figure out which way I go. Warranty expired today, BTW. I've swapped the chunk on a e28 and an e46 and it wasn't too difficult.
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  #7  
Old 12-13-2012, 07:01 AM
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bimmerdiesel bimmerdiesel is offline
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Location: Bedford MA
 
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I trade computer work for car work.
Jealous. Thats not fare deal. I wish I had friends like that. I help so many people with computer work but in return I cant expect anyone with Car work coz I help them in that too with little I know
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  #8  
Old 12-12-2012, 03:23 PM
GreekboyD GreekboyD is online now
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Mein Auto: 2009 BMW 335d
Awesome stuff. I'm looking to get mine in the spring.
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  #9  
Old 12-13-2012, 06:20 AM
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Axel61 Axel61 is online now
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Bravo ZULU amigo ChasR go for it
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  #10  
Old 12-13-2012, 08:06 AM
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Axel61 Axel61 is online now
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@bimmerdiesel C'est la vie mon ami
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Last edited by Axel61; 12-13-2012 at 08:06 AM. Reason: Corrections
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  #11  
Old 12-14-2012, 07:23 AM
DZLMAN DZLMAN is offline
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Mein Auto: 335d M Sport/Premium Pkg
I'd be interested in doing the same come spring time. Please keep us posted.
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  #12  
Old 12-28-2012, 06:40 AM
ChasR ChasR is offline
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Location: Atlanta
 
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Mein Auto: 335d, E28 M5, Clubman S
Quaife TBD shipped today.
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  #13  
Old 12-29-2012, 12:52 PM
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62Lincoln 62Lincoln is offline
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Quaife TBD shipped today.
Did you decide on DIY or your buddy?
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  #14  
Old 12-29-2012, 11:01 AM
CrazyINP CrazyINP is offline
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Join Date: Dec 2005
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Mein Auto: '11 335d, '09 MCS
Damn... I want that too. I said I will not add any mods to my d till I get LSD. I will talk to VAC again and plan trip to PA for install.
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  #15  
Old 01-02-2013, 06:50 PM
HIREN HIREN is offline
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Mein Auto: 335d & STi
Let us know how it performs.
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  #16  
Old 01-03-2013, 12:33 PM
ChasR ChasR is offline
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Mein Auto: 335d, E28 M5, Clubman S
Took it to the shop today. Hopefully it will be back tomorrow.
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  #17  
Old 01-08-2013, 06:29 AM
ChasR ChasR is offline
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Mein Auto: 335d, E28 M5, Clubman S
Car is back. Quaife works quite well. I can pull out in front of folks without DSC killing the engine. It seems DSC will allow a little wheelspin as long as both are spinning. I haven't tried it with DTC, but can't imagine it would be an different. THe car has a lot more traction in DSC mode in any event.
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  #18  
Old 01-08-2013, 09:15 AM
HIREN HIREN is offline
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Mein Auto: 335d & STi
You should take it out to the track next!
What was the total bill if you don't mind sharing?
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  #19  
Old 01-08-2013, 03:00 PM
ChasR ChasR is offline
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Mein Auto: 335d, E28 M5, Clubman S
$338 to install + the cost from VAC, $2575 + shipping
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  #20  
Old 01-08-2013, 06:29 PM
julesandtrish julesandtrish is offline
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Mein Auto: 2010 335d
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Originally Posted by ChasR View Post
$338 to install + the cost from VAC, $2575 + shipping
Come on tax refund.........
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  #21  
Old 01-10-2013, 07:45 AM
ChasR ChasR is offline
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Location: Atlanta
 
Join Date: Aug 2012
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Mein Auto: 335d, E28 M5, Clubman S
SHipping BTW was $98 from VAC (UPS) and $68 (FedEx) to ship the core back.

Here's my seat of the pants take on how the Quaife improves the driving experience.

On dry pavement with DSC fully on, ANY wheelspin led to an abrupt cut of engine power. I believe this is because in DSC the brakes aren't used to create a pseudo LSD. I can't prove this and can't find it in the literature. With the quaife it is harder to spin a wheel, so DSC throttle intervention is raised. It will still happen if you light the tires up. DSC allows some wheelspin as long as both rear tires are spinning at the same speed and aren't spinning much faster than the fronts. THis is why I believe the LSD function of DTC is off in DSC.

I still haven't driven the car in DTC mode, primarily because there isn't a need to. Before the quaife, if I was going to accelerate hard, I enabled DTC to avoid DSC throttle intervention.
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  #22  
Old 01-10-2013, 08:33 AM
HIREN HIREN is offline
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Location: Central Texas
 
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Mein Auto: 335d & STi
Thanks for your input ChasR, it is greatly appreciated.
It seems like BMW should have put this thing on from the factory! I could see not in the 335i if they didn't want to steal M sales, but the d seems to really need this even with my 265 wide rear tires. I can't imagine how bad traction is on the non sports with 225s!
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  #23  
Old 01-10-2013, 09:59 AM
BMWTurboDzl BMWTurboDzl is offline
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Mein Auto: 335D, 435i (Ordered)
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Thanks....
I can't imagine how bad traction is on the non sports with 225s!
It's fine actually ...

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  #24  
Old 01-10-2013, 10:13 AM
HIREN HIREN is offline
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Mein Auto: 335d & STi
I guess it depends on your right foot!
I've noticed sometimes when I get on it to pass someone the car nearly goes sideways with DSC intervening to correct and this is at 40+mph.
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  #25  
Old 01-16-2013, 05:24 AM
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335dFan 335dFan is offline
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Location: Oregon (near Portland)
 
Join Date: Nov 2012
Posts: 339
Mein Auto: 2011 335d
Quaife LSD

I am planning to have the Quaife LSD installed by VAC as soon as I can contact them and schedule. At the same time I will have them install M3 Rear Subframe Bushings and M3 Rear Sway Bar. Still considering the H&E Rear Sway instead, but kinda want to stick with mostly BMW parts.
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