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BMW 3-Series (E90 E92) Forum
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Quaife vs Wavetrac vs OS Giken
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03-01-2014, 09:56 AM | #199 | |||||
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Brian Casella
Sales Representative, VAC Motorsports Office: 215.462.4666 | Fax: 215.462.4667 EXT 13 | Email: brian@vacmotorsports.com |
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03-01-2014, 10:07 AM | #200 | |
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We typically wait till we have 10+ cores (both new and used) on hand, then we have to run the machining process summarized here: http://www.vacmotorsports.com/blog/v...-how-we-do-it/ If BMW didn't cost engineer (and cock block) the 135/335/535 diffs by welding the crownwheel to the carrier, this would all go MUCH easier. The ring and pinion quality is *very* high, so we can rest assured the diffs will be as strong/reliable as possible stock or when paired with a top quality unit like Quaife or OS Giken.
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Sales Representative, VAC Motorsports Office: 215.462.4666 | Fax: 215.462.4667 EXT 13 | Email: brian@vacmotorsports.com |
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03-01-2014, 10:11 AM | #201 |
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Good stuff Mike. Hopefully this all works out for TDIwyse and you guys at VAC.
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03-01-2014, 10:47 AM | #202 | |||
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03-01-2014, 11:56 AM | #203 | ||
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I just called Steve to confirm if he talked to you after talking to the diff builder, but did not get an answer. Of course such fine detail does not matter too much at this point. This is where we are: 0. We sold you an awesome Quaife equipped Final Drive. We obv appreciate the business ;-) Payment was posted on the 25th, and the unit shipped on the 25th. 1. The diff arrived yesterday, and you told us about this shipping issue ~3PM 2. You did not file a claim with UPS Friday 3. We didn't get you a 100% answer by end of day, but I know 100000% that we were looking into it for you. I bet Steve has an open email sitting on his screen waiting for a line or 2 more of content needing to be sent. 4. You then took to E90 post and voiced your 'disappointment' with VAC in a general product comparison thread before we had a chance to get back to you in a reasonable amount of time. One would think you would be disappointing with UPS as they are the most likely evildoer... 5. I obviously had to reply quickly b/c your careful wording in post #194 made VAC look bad 6. You then attempted to file a UPS claim on a weekend 7. I pledge to make this good for you. This same pledge was implied when we asked you to send us pics yesterday a few hours before closing. Of course, this would have been handled Monday. With all that said, as usual, we will do our absolute best to get you sorted out :-) I have a bone to pick with UPS esp after the recent gearbox fiasco... Quote:
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Sales Representative, VAC Motorsports Office: 215.462.4666 | Fax: 215.462.4667 EXT 13 | Email: brian@vacmotorsports.com |
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03-01-2014, 02:14 PM | #204 |
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I appreciate your willingness to work with me on this. I also appreciate hearing your new improvement in packaging by strapping the diff to the wood bottom and agree this will be a better engineered packaging setup.
If it didn't come out in the post with the damaged package, I WAS upset with UPS. Your packaging job SHOULD have been adequate if they had handled it appropriately. But they were obviously more harsh with it than the packaging could handle. The reason I posted online was I needed to find out if I should cancel the appointment for the installation on Monday or not, because I'm sensitive to that business's time/$ impact to having a last minute cancellation. Since no specific response about how to check for potential damage came Friday I posted here seeking guidance on what to look for in regards to potential problems to make an informed decision on the installation appointment. The background on the shipping damage seemed like a necessary piece of information on what may or may not be damaged. I don't think that was unreasonable considering the circumstances. However, it obviously upset you, and for that I'm sorry. I did cancel the appointment for Monday, which I hate doing due to affecting that companies scheduling. Looking forward to working with you further on this. |
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03-01-2014, 03:46 PM | #206 |
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maybe not the answer but worth keeping it in the back of anyone's mind
http://www.youtube.com/results?searc...20package&sm=1 |
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03-01-2014, 03:46 PM | #207 | |
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Oh, not upset - I get the hustle.
No worries at all - I am upset with UPS, that's certain! Quote:
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Sales Representative, VAC Motorsports Office: 215.462.4666 | Fax: 215.462.4667 EXT 13 | Email: brian@vacmotorsports.com |
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03-01-2014, 04:08 PM | #208 |
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Hey, in all the confusion and frustration I didn't notice this. This was delivered when no one was home. But there's a "Signature Required" sticker on the top that has red tape X'ing it out. Was I supposed to sign for this on delivery? Because no one here signed for it...
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03-01-2014, 04:10 PM | #209 |
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Drop and run man.
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03-01-2014, 04:16 PM | #210 | |
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FedEx isn't any better. They lost my $4k time trial bike several years ago. I had "insured" it (which by the way, isn't insurance .... you're just raising the limit of their liability) for $4k. They lost it mid shipment. Spent 1 month of fighting them through their process. They weren't doing anything until I got my home owners insurance involved. They considered it theft, paid me the $4k, and then went after FedEx. Within 2 days FedEx immediately changed their tune and paid up. But it was much more stress and fussing around than it needed to be. |
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03-01-2014, 04:22 PM | #211 |
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I think it comes down to the individual too. Some are probably not strong enough to carry and lift 100 pounds. My brake rotors came a couple of months ago from USPS to Canada Post here. I'm not misogynistic in any way but my letter carrier is an older lady and she struggled to carry the rotors from her truck. I ran out half way and took them off her hands for fear of them dropping.
I'd shudder at the sight of her even attempting to carry that box from VAC towards me. |
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03-01-2014, 08:12 PM | #212 |
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Let me just say how refreshing it is to see a vendor talk like a real person. Kudos sir. I don't know if my better half will let me order an LSD, but if she will, I think I just found my source.
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03-04-2014, 04:41 PM | #213 | |
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Mike called me Monday night and we had a productive conversation. Today he called and said he filed a claim with UPS. They are supposed to be scheduling a time to come pick up the item. VAC doesn't have anymore units for sale at the moment but may have more in a couple weeks. So unfortunately I'll be without a LSD and my $ for awhile. I was hoping to compare the behavior with the LSD on the snowing/icy driveway to the video earlier with the stock "eLSD" and open diff. But by the time this gets resolved we won't (good grief I hope not! although it was -18F yesterday morning) have any snow/ice... |
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03-04-2014, 05:15 PM | #214 |
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Shady stuff from UPS...lol. Nice to see Mike and VAC stick by their guns.
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03-06-2014, 03:20 PM | #215 |
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Looks like late May will be when I get my LSD.
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03-06-2014, 03:50 PM | #216 | |
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2021 X3 M40i: M Sport Differential, Adaptive M Suspension.
Previous BMWs: 1971 BMW 2002, 1973 BMW R75/5, and 2011 BMW 335d Previous Other Vehicles: '67 Cougar, '70 911e, '86 Jetta Diesel, '05 and '12 Foresters, et al. |
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03-06-2014, 04:03 PM | #217 |
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03-08-2014, 09:10 AM | #218 |
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Just picked up some differential gear oil. I've have had the Delrin Racing differential bushings sitting there for over a year. Hopefully this "pushes" me to finally buy the LSD this May.
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03-29-2014, 07:42 PM | #219 |
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Mike and VAC came through with a 2nd unit that was just built from a used core. Arrived Friday at the UPS hub and I picked it up there to keep the home delivery from happening (that's where things went badly last time). Packaging was unmolested and intact. Due to it being the weekend and not being very patient I did the removal and install myself. It went well and the online DIY's I read about were helpful. First couple test drives today went well with no unusual sounds, vibrations, clunks, issues. So far so good.
For those considering a DIY, I'd recommend this route for a 50mm wrench that works well on the driveshaft/differential nut. They were less expensive than other options I looked at, and you actually get two of them, and they each have wrench openings for use with a breaker bar or torque wrench. http://www.rockymountainatvmc.com/p/...29-50mm?v=1685 Having never done this before, I took my time and went slow. It was a lot of fussing around. Took me ~7 hrs to complete by myself. To help lower/raise the differential I built a pedestal for my floor jack and had some interesting moments of working the jack handle with one leg while bench pressing/lifting/positioning the differentials with my arms/hands... It would be a lot easier with two guys. So far I've just been breaking it in slowly with relatively short, slow drives and then allowing things to cool off before driving again. All the snow/ice is gone so I can't do an apples to apples comparison of the behavior vs the stock diff from the video linked earlier. Will likely have to wait until next winter for that. Hadn't seen a weight comparison while researching this. Today as I measured them the OEM diff with fluid was ~80 lbs. The Quaife LSD with fluid was ~85 lbs. Spring is here and I'm looking forward to playing with the traction capability. |
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04-07-2014, 04:32 PM | #220 |
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There should be a used 335d core at VAC later this week if anyone is interested.
No snow/ice around to compare to the OEM unit (which would spin only one wheel), but on the "wet grass" test (it's the best I could do with the reality at hand) the Quaife spins both tires equally well ... and got me in trouble with the wife for leaving two strips in the side yard. |
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