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Go Back   E46Fanatics > Tuning & Tech > DIY: Do It Yourself

DIY: Do It Yourself
Post here to share or improve your wrench turning skills! All BMW E46 DIY tips, tales, and projects discussed inside. Learn to work on your car and know the right BMW parts you will need!

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Old 12-02-2010, 01:40 PM   #81
BimmersGarage
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Good job! Glad to see you rollin' again.
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Old 12-02-2010, 03:34 PM   #82
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Can any of the Xi guys give examples of how that differs from the regular WB replacement?

** NVM I found it.


Yikes it looks a lot harder than the one here. For those interested:

http://forum.e46fanatics.com/showthr...eel+bearing+xi
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Last edited by Wreckless; 12-02-2010 at 03:37 PM.
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Old 01-24-2011, 08:31 PM   #83
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Where did you located a 46MM socket for this job? I found one at BAVAUTO.com but it's over $60.

It's gotta be available for 20 or so someplace?
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Old 01-24-2011, 10:46 PM   #84
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Originally Posted by witeagle View Post
Where did you located a 46MM socket for this job? I found one at BAVAUTO.com but it's over $60.

It's gotta be available for 20 or so someplace?
Your local Northern Tool store if you have one.
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Old 01-25-2011, 07:43 PM   #85
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Your local Northern Tool store if you have one.

none local but they have a web site - the impact socket is just over $10 - not bad, but it's a 3/4 drive. They don't have a 3/4 male to 1/2 female impact adapter to fit my impact gun, just a standard one.

I wonder if it will hold up to the impact gun...
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Old 01-25-2011, 10:19 PM   #86
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In Canada I found mine at princesauto. I can' tremember exactly but it was somewhere in teh $15 range.
Yup, only available in 3/4" drive so I had to also purchase the 1/2" to 3/4" to use with my 24" breaker bar.
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Old 02-11-2011, 12:51 PM   #87
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Hello -

I just wanted to say thank you for a great write up. I will be tackling this same issue on an E34 soon and this thread is very helpful. I will try to share my experience as well.

Cheers,

Michael
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Old 02-16-2011, 09:02 PM   #88
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hello

I have to replace my front wheel bearings as they making terrible noise
please tell me where you guys buy them, Aotohause sells them separately. I need the complete wheel hub assembly. I see genuine BMW ones are pretty expensive but what about other brands, are they worth time and money? and who is the OEM supplier?
thanks
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Old 02-16-2011, 09:21 PM   #89
genuity
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Originally Posted by nikoloza View Post
I have to replace my front wheel bearings as they making terrible noise
please tell me where you guys buy them, Aotohause sells them separately. I need the complete wheel hub assembly. I see genuine BMW ones are pretty expensive but what about other brands, are they worth time and money? and who is the OEM supplier?
thanks
F.A.G. is OEM supplier. Look for it on BimmerSpecialist.com or PelicanParts.com. I think Pelican was where I got mine. Bearing comes already pressed in the hub.
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Old 03-06-2011, 09:52 AM   #90
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can anyone tell me if the diy is the same for a 02 330xi?
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Old 03-06-2011, 09:52 PM   #91
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Very different for a Xi model.
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Old 03-14-2011, 09:48 PM   #92
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Just did this job today. Thanks for the DIY! A few notes:

Luckily, I didn't need the slide hammer, nor the 3 jaw puller. The old bearing literally slid off. The inner race came off with an easy pry with a screwdriver. Not sure if it was because my car was never driven in winter or what, but it made the job very pleasant. I didn't remove the ABS sensor from the knuckle as TIS instructs, and didn't see a need after removing the hub.

I replaced everything the TIS suggests including the inner dust guard plate. The shield is an improved part.. possibly prohibits water intrusion to the bearing better than the original design did. I needed to borrow a bearing driver from the shop where I did the work. It looked like a small section of hollow pipe with a solid end cap... kind of like this thing:



Using sockets as suggested in the DIY to tap the inner dust shield and bearing onto the spindle was no bueno. They were not deep enough. I slid the bearing onto the spindle just until there was enough friction to hold it on there. The hub separated from the inner race, but just barely. I stopped pushing and drove the inner race the rest of the way on until it seated enough to thread the spindle nut on. The torque requirements of 290 Nm were insane, but the shop where I was had a torque wrench that could handle it thankfully.

Then I applied some RTV to the dust cap before tapping it in. The TIS instructs to put some type of "sealant" on the "mounting face to wheel hub" before installing the dust cap, and I figured RTV would suffice.

Total job took me about 30 minutes from start to finish and was extremely easy. Of course, I only use OEM parts so I cannot speak about anything aftermarket.
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Cheat Sheet:

GT1/ISIS/MoDiC = Factory authorized diagnostic system used by BMW dealerships across the world.

NCS Expert = BMW Factory R&D programming tool available on the internet (not intended for the public and not available to the dealership network)

OEM = Genuine BMW part only available from a franchised BMW dealership.

DME = Engine Management Computer
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Old 03-15-2011, 10:34 AM   #93
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I have been doing some searching and came across this thread. I recently have developed a slight vibration which appears to be coming from the drivers front. The vibration is usually around 60-70mph, all other speeds seem to be fine. Could it be my bearings? I have recently replaced: both FCA and bushings, inner/outer tie rods, new tire and re-balance on driver side. Shocks were replaced around 15k ago. I did all this thanks to the forum but took it in to a local shop and they cannot feel the vibration. Since its my daily driver, I feel I am more inclined to know when something does not feel right. Any help would be appreciated!
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Old 03-15-2011, 12:34 PM   #94
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Remove the wheel and your brake caliper on the side you suspect bearing fail... and do a "spin test", if the bearing is bad, you'll hear a noticeable "metallic hum". If you need reference, just check out my vids (BMW bearing noise)
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Old 03-15-2011, 12:38 PM   #95
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ok - I will check this tonight. Bad bearing = vibration? I will try turning the wheel on the way home tonight during the vibration and see if better/worse. Thanks
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Old 03-15-2011, 10:56 PM   #96
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So when I got home tonight after a 30 mile trip from work I decided to give the hubs the touch test. All three non symptom hubs were cooling enough to leave my finger on there. However, the front driver side, which is where I thought was having the problem, was hot enough to roast marsh mellows, well not exactly but I could not keep my finger on it any longer than a second. I guess I'm ordering a new hub and tackle this DIY soon. I'll post my results in a few days.
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Old 03-17-2011, 10:39 PM   #97
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^ as the OP on this DIY I thought I should clarify that I do have normal and deep sockets so I was able to tap the rear dust cover and bearing on over the spindle.

Good to see lots of others taking this major repair on and having success!

Last edited by GDA; 03-17-2011 at 10:41 PM.
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Old 03-21-2011, 11:08 AM   #98
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So I finished replacing both front wheel hubs on Saturday -> 1-1/2 hours including oil change. Was able to pull them off by hand, unlike my 99' suburban where I pounded for at least a half hour or so just trying to separate the hubs. Had no problems with inner race as both came off still set in the hubs. Car feels nice and smooth and vibration has subsided. Thanks again to OP, always better knowing what you are getting into before starting a project.
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Old 03-26-2011, 04:54 PM   #99
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Thanks for the responses & I figured it out!!! My strut towers are shroomed!!! Thats why my right side is 5mm lower than the other, I guess my bearings are fine, now all i need to do is pick up some of those reinforcement plates and go to work w/ a hammer/block of wood. Also, shame on those who say it is "normal" for the passenger side to be a little lower to account for drivers weight, complete rubbish!
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Old 03-26-2011, 05:41 PM   #100
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if anyone wants to buy a bearing kit for their e46 330xi, i am selling one. I bought all the parts thinking my wheel bearing was bad but took it to shop and bearings are completely fine. PM if interested
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