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///M3 Forum
The BMW E46 ///M3 is the M version E46 and puts out an amazing 333 HP and 262 lb-ft of torque at stock specs! There are an amazing amount of modifications for both the coupe and convertible models so read up and get started modifying your cars today!

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Old 07-19-2014, 06:31 PM   #1
Cayne23
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S54 exhaust hub

Is it possible to weld the tabs on the hub to the oil pump disk to stop all the free play? Maybe just a spot weld as to not unbalance the hub.
Yes the weld would have to be ground off if the vanos unit is to be removed. But if the sprocket bolts are replaced with the new ones, and all the seals replaced and the tabs dont break, then why would it need to be removed?

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Old 07-19-2014, 07:52 PM   #2
Teslazerok
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A spot weld wouldn't hold it. It would need to be fully welded, and the amount of skill to weld it properly in that space without causing issues in the system would not be worth the cost.
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Old 07-19-2014, 08:42 PM   #3
Cayne23
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Yea that was my only negative thought about it, was the heat from the weld. It would surely melt the seals. I will open my valve cover soon. Jist tryin to think of ideas before I do. I dont want to have to spend 800 on a new hub. Wish there was a cheaper alternative

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Old 07-20-2014, 12:51 AM   #4
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Originally Posted by Cayne23 View Post
Yea that was my only negative thought about it, was the heat from the weld. It would surely melt the seals. I will open my valve cover soon. Jist tryin to think of ideas before I do. I dont want to have to spend 800 on a new hub. Wish there was a cheaper alternative

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Please sell the M3 and buy a more reasonable car for your budget. This car is expensive to maintain properly.

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Old 07-20-2014, 07:34 AM   #5
Cayne23
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Well, not gonna get what I owe, so no

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Old 07-21-2014, 08:41 AM   #6
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Originally Posted by Cayne23 View Post
Yea that was my only negative thought about it, was the heat from the weld. It would surely melt the seals. I will open my valve cover soon. Jist tryin to think of ideas before I do. I dont want to have to spend 800 on a new hub. Wish there was a cheaper alternative

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You could always buy a used exhaust hub, and pair it with the Beisan oil pump disk.

Plus you haven't confirmed that your hub tabs are broken yet. Get to removing that valve cover before planning for a specific scenario.
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Old 07-21-2014, 02:58 PM   #7
Cayne23
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Yes I know. Im going to take off the valve cover soon. If its the tab, then I want to just buy the c300 hub from dr vanos and use my oil pump, rather than a used oem hub and smaller holes on an oil disk.
It would be sweet if it was only the sleeve bolts. Couple of weeks and I'll open her up.

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Old 07-21-2014, 03:02 PM   #8
api
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There is a big write-up on M3forums about this and what people have found. If you have not read it already it might be a good thing to read.
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MODS: 03 M3, 6MT, PSS9, AFE Intake, Euro Ceramic Coated Headers, El Diablo Exhaust, Turner Motorsports Rear Adjustable Camber Arms, AKG Diff and Subframe bushings, PowerFlex suspension bushings, Sub-frame Reinforcement, 18'x9' square setup & one driver that grins ear to ear everytime he is driving it
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Old 07-21-2014, 03:03 PM   #9
Cayne23
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Yea I probably have read it. I've read so much

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