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BMW 3-Series (E90 E92) Forum
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3.23 --> 3.73 manual to automatic differential swap for 328i info, DIY, impressions
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02-15-2018, 12:56 PM | #89 |
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I hear that, heh. And VBox is what I'm talking about (RaceLogic makes it along with other models).
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02-15-2018, 09:16 PM | #90 |
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I hear u about the exhaust... PE and header combo is just too loud. What about adding afe stage 2 intake and update the bpc tune to accommodate +lighter 15inch apex wheels...might just be enough to get to ur goal
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02-15-2018, 10:14 PM | #91 |
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Meant to say 17in apex wheels, like ur setup a lot. Cheering for u here!
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02-16-2018, 04:04 AM | #92 | ||
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Quote:
Quote:
I’m currently working on a secondary ram intake tract to the stock airbox, like the Dinan set up. I might try a big bore throttle body. Maybe a little redline bump as suggested. And since I still have secondary cats, resonator, and factory muffler I’ve been toying with maybe a slightly more aggressive muffler instead of stock. I honestly wouldn’t mind a little exhaust sound but I don’t want it loud, just a little more sporty. I think maybe keep the resonator and secondary cats and add just the latest AA muffler which I’ve read isn’t as aggressive as the PE and sheds a few lbs. I think with those mods maybe 8-10 more HP is attainable. And maybe like you suggested some lighter wheels like apex 18’s. Can still drop 5lbs per wheel from where I am. I’m very close to the ceiling of what this car can do while N/A, but I don’t feel I’m there yet! |
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02-16-2018, 10:49 AM | #93 |
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Just in case anyone comes here in the future for info.. here is some info regarding which carriers are swappable: http://www.e90post.com/forums/showthread.php?t=1466828
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02-16-2018, 10:54 AM | #94 | |
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02-16-2018, 04:58 PM | #95 |
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I was very excited to receive and install my 3.73 diff this weekend.
Unfortunately, Fedex delivered an empty fucking box.
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02-16-2018, 10:35 PM | #96 |
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02-16-2018, 10:44 PM | #97 |
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Who packs an 80lb diff in a cardboard box?
This isnt Fedex's fault. The shipper is a moron. |
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02-16-2018, 11:18 PM | #98 |
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02-17-2018, 12:29 AM | #99 |
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LOL I'm inclined to agree with you all. You can sort of see in that picture where the box broke.
I'm a little surprised that Fedex just...taped up the empty box and sent it on its way. I've already heard back from the seller, and contacted fedex...but was really hoping to install the diff this weekend!
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02-17-2018, 12:30 AM | #100 |
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Hey I just moved from Birmingham. Are you in the BMW Enthusiasts FB group?
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'15 F30 335i 8AT Estoril II/Black (12.218 @ 114.94mph)
MHD Stage 2+ 93 / XHP Stage 3 / M-Goodies / K&N Filter / ER CP / CSF IC / NGK 97506 / ER DP / Michelin A/S 3+ |
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02-19-2018, 10:58 AM | #101 | |
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I can just imagine the guy that it broke on. 70lb diff comes flying out of the bottom of the box and hes just like "eh, not my problem". Probably crushed his toe or something and he got pissed. But for real that sucks, I hope you find out where your elusive diff is! EDIT: So is there just a differential carrier sitting in the middle of an aisle at a fedex hub somewhere? People walking around it like wtf is this?
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02-19-2018, 12:33 PM | #102 |
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Nice. Hmm, I don't FB a lot, but I believe I am in an ATL enthusiast group? It was big.. haven't checked it in a while though (just joined a few weeks back). Is that what you're talking about, or is there one for B'ham in particular?
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02-19-2018, 08:28 PM | #103 | |
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Yup, it only traveled from San Francisco area to Los Angeles area, so it's not like it was passed through a bunch of hubs either. It got loaded onto the pickup truck, the transcalifornia truck, and the delivery truck. 500 miles, 3 days in shipment.
Whatever, E90 parts are a lot cheaper than E46M3 parts so I am not too upset about it. Seller wants me to send an empty box back, fine with me boss. Quote:
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'15 F30 335i 8AT Estoril II/Black (12.218 @ 114.94mph)
MHD Stage 2+ 93 / XHP Stage 3 / M-Goodies / K&N Filter / ER CP / CSF IC / NGK 97506 / ER DP / Michelin A/S 3+ |
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02-21-2018, 11:08 PM | #104 |
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Well, I got my money back, everyone. Maybe next weekend I'll have another diff to install :P
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'15 F30 335i 8AT Estoril II/Black (12.218 @ 114.94mph)
MHD Stage 2+ 93 / XHP Stage 3 / M-Goodies / K&N Filter / ER CP / CSF IC / NGK 97506 / ER DP / Michelin A/S 3+ |
02-22-2018, 06:44 PM | #105 |
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Sorry to hear about the empty box, that’s wild. Got mine installed last night. About 2 hours as others have said. So far it’s great. It reminds me of my e46 wagon which was always in the cams running 4K/80 mph. This isn’t as nearly as extreme but it’s just what the car needed. Don’t hesitate to try it out.
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02-22-2018, 09:26 PM | #106 | |
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Did you replace the three diff bushings and if so, were they difficult to remove?
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'15 F30 335i 8AT Estoril II/Black (12.218 @ 114.94mph)
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02-23-2018, 04:58 AM | #107 |
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02-23-2018, 05:29 AM | #108 |
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02-23-2018, 09:06 AM | #109 |
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I am selling my 3.73 diff for $120. If anyone is interested, PM me.
Since this sucker is heavy, I don't feel like shipping it. So, local pickup is preferred. I am in NOVA (DC area), but would not mind meeting you if it is within reasonable distance - I will not deliver it to your house. The reason for sale: I installed milvs and i don't think this mod is needed any more. |
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02-23-2018, 09:08 AM | #110 |
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I took my new diff bushings to the local hardware store and sized up some abs plastic plumbing fittings, some ready rod and hardware and some big washers to use as a puller.
They came out super easy. Waaaay easier than the sub bushings. |
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