Drive Shaft - Hyundai Genesis Forum
 
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post #1 of 9 Old 08-26-2019 Thread Starter
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Drive Shaft

Hey guys I've searched all over the internet and can't find a specific answer to what I'm trying to figure out. I have a 2013 genesis coupe 2.0t auto. I'm about to do the auto to manual trans swap and I'm looking for a stock drive shaft. (Just till I decide to save up for a 1 piece drive shaft) My question is are the bk1 and bk2 OEM manual drive shafts the same and interchangeable? I've looked up part numbers and the numbers are different, slightly, but look the same.

A simple yes or no would be greatly appreciated! Thanks in advance.

Also when I do the swap I'll put together a detailed step by step for anybody interested. I know there's already one on here but he didn't go over everything.
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post #2 of 9 Old 08-26-2019
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I don't have definitive answer for you but knowing that the transmissions are interchangeable as far as manual goes, as well as the rear differentials it leads me to believe that the OEM driveshaft should be as well. people swap bk2 transmissions into their BK1 without changing anything else.

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post #3 of 9 Old 08-26-2019 Thread Starter
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Ok. That makes sense. I'm buying a used one for now and I noticed bk1 drive shafts are being sold cheaper. Also you see more bk1 drive shafts on the used market than bk2.

Thanks a lot for the reply.
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post #4 of 9 Old 08-26-2019
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Quote:
Originally Posted by GenBrah View Post
I don't have definitive answer for you but knowing that the transmissions are interchangeable as far as manual goes, as well as the rear differentials it leads me to believe that the OEM driveshaft should be as well. people swap bk2 transmissions into their BK1 without changing anything else.
Usually on most rwd cars, the transmission lengths are different, meaning the drive shafts have to be different lengths.

J33 - most likely it's going to have to be custom.

You can try to find a place that makes them for BMWs. Ask if they can make one with a custom length.

You'll need to measure from flex joint to flex joint (newer BMWs use the same joints; or guibos, as known in the euro world)
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A custom drive shaft would work. But I know for a fact it's not necessary. The oem drive shaft will work. Especially if I get one from a bk2. I just wanted to know if bk1 will also fit being that they're sold cheaper. I found a bk1 drive shaft for $120. I'm gonna try it and see. It'll be about a month or so before I can do anything with it since I work on the road but I'll be sure to come back and share if it'll work or not so anybody in the future will know.
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post #6 of 9 Old 08-26-2019
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Originally Posted by J33CD117 View Post
A custom drive shaft would work. But I know for a fact it's not necessary. The oem drive shaft will work. Especially if I get one from a bk2. I just wanted to know if bk1 will also fit being that they're sold cheaper. I found a bk1 drive shaft for $120. I'm gonna try it and see. It'll be about a month or so before I can do anything with it since I work on the road but I'll be sure to come back and share if it'll work or not so anybody in the future will know.
the ends should be interchangeble, but not 100% sure.

At least with the bk1 drive line, you can give the shop making the shaft, the ends to weld on.
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post #7 of 9 Old 10-13-2019 Thread Starter
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I know it's been a while. Just bare with me. I have all the parts I'm just moving very slow with the swap. Being on the road 4 weeks at a time with only a few days home makes for a slow project when trying to spend time with the family too lol.


I've gotten everything but the AT flywheel taken out and I'm about to start cutting the pan underneath the car. I'll come back to it when I go over the swap but for anyone with a 2013+the pan under the car isn't a separate piece so there's no point in scraping the seam sealer to reveal any tac welds. You'll just have to cut the underside out to reveal the pan that the shifter connects to. Also from what I've seen you'll have to cut out the hole for the shifter to come through the car to get bolted in. But I'll go over everything again when I write up a how to based on my experience. I know it'll help 2013+ owners bc of the few differences between the BK1 and BK2. Also I'll put out a parts list of everything needed if you're just wanting stock for stock.
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post #8 of 9 Old 10-13-2019
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I know SFR has done a ton of auto to 6 speed swaps. If you have any electrical or ecu questions once you're hooked up you can probably message them on FB. i'm surprised you have to cut so much:/
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post #9 of 9 Old 20 Minutes Ago Thread Starter
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So I got the swap done. I ended up reusing the same drive shaft from the AT. Which is the one from my car originally. It fit just fine. So I guess the BK2 doesn't need a manual specific drive shaft. Now the only problem I'm having is I can't remove my key unless I unplug the battery and my speedometer doesn't work for some reason.
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