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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 05-05-2012, 02:06 PM   #141
eweis
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Need some input...
I'm in the middle of doing my right front. I've now got the new hub/bearing on --I was careful to only press/hit on the bearing race (my 36 mm socket normally used for the oil filter cap worked perfectly).
And, I've tightened the nut down a little ways...maybe 80 ft lbs at this point. But, when I try to spin the hub, I can barely turn it.

My question; is that normal? Will it only start spinning freely after weight is on the wheels and I've driven around a bit?
Thx
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Old 05-05-2012, 05:46 PM   #142
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Quote:
Originally Posted by eweis View Post
Need some input...
I'm in the middle of doing my right front. I've now got the new hub/bearing on --I was careful to only press/hit on the bearing race (my 36 mm socket normally used for the oil filter cap worked perfectly).
And, I've tightened the nut down a little ways...maybe 80 ft lbs at this point. But, when I try to spin the hub, I can barely turn it.

My question; is that normal? Will it only start spinning freely after weight is on the wheels and I've driven around a bit?
Thx
"barely" is a relative term...
Try this > temporarily remount your brake rotor back on the hub and give it another spin, it should rotate for several revolutions. (You can reference my YT vids to compare how it should turn/spin... right after a new hub install.)

Now if you can Not turn the hub at all, then there may be something wrong with the bearings/race in the hub.
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Old 05-05-2012, 06:38 PM   #143
eweis
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Thanks for the reply. By barely I mean that I couldn't turn the hub by hand. If I install a couple of wheel bolts and grip those then I can turn it a little with effort. Then, I installed my rotor and with two hands, I could turn it....but still no spinning happening. Then I put on my wheel and pushing the tire with my foot it would only spin one time.
I had previously watched your video in preparation for this job (very informative btw) which is what made ne wonder why it wasn't spinning easier.
Well anyways now I've gone ahead and also completed doing the other front bearing. Same thing. So, I'm just going to take it for a drive and see how she sounds. Can't be much worse then the growling, whirring sound that I had.
I'll let everyone know how it goes.
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Old 05-05-2012, 06:59 PM   #144
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Those hubs are brand new, correct?
What Brand are they?

I would advise that you double check your hub units. It should not be that difficult to spin especially with just the rotor back on... let alone the entire wheel.

Any photos of your install?
Could there be an obstruction/debris on the king-pin/spindle that's causing the hub to not set correctly..

Last edited by BimmersGarage; 05-05-2012 at 07:05 PM.
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Old 05-05-2012, 10:30 PM   #145
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The brand is FEQ. Got them from BavAuto.
Well, I took it for a test drive and it started out a little grindy scrapey. Drove for a few miles then found a parking lot and did some circles and it cleared up! I guess it just took a few miles for the grease within the bearings to get worked around? Got back and took off each wheel and pushed the pads back and each side spun pretty well though still probably only a couple times.
I think they'll be fine.
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Old 05-05-2012, 10:47 PM   #146
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Interesting - you should have been able to turn the hub with one hand before attaching the rotor.
I tried three brands before I was happy:
1. Koyo - i was told it was good - started to growl after a couple months.
2. I can't remember the second brand but they were really bad.
3. F.A.G - found out that these are oem and they are sweet - I have 24000km on them so far.

Last edited by steve.325i; 05-05-2012 at 10:50 PM.
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Old 05-09-2012, 02:52 AM   #147
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My F.A.G are growling after <10,000km

My mech only replaced the bearing, not the hub. Now I think that the hub could have been problematic as well.
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Old 05-09-2012, 08:04 AM   #148
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^
Be advised they are called hub/bearings for a reason.
So, are you sure that's what he replaced... Only the "bearings"?

If you have a RWD (non Xi) and your mech stated he ONLY replaced the "bearings" (for either of the front axle) on your E46, he's done something drastically wrong. Our front hubs has the bearings integrated into the hub as one-piece/unit*, you can not separate the two... without destroying them.

Either that or the mech struck the hub during installation instead of the race, which could lead to premature bearing failure.

*NOTE: Usually the act of removing the old hub/bearings from the king-ping, you end up breaking them. That's why it is recommended to Never re-use salvaged hub/bearings.
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Old 05-09-2012, 12:39 PM   #149
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^..what he said. Additionally, I can't imagine how a hub (either fronts or rears) could be damaged from normal wear and tear. I could see ruining one by someone mis-threading a wheel bolt or perhaps bending one by hitting a curb but not due to mileage.
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Old 05-10-2012, 08:20 PM   #150
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Thanks for the advice BimmersGarage and eweis.

Yes, just the bearing on the front axle of a RWD sedan were replaced. At the same time, a single rear bearing was also replaced - no problems there.

The reason for replacement for the front was that I clipped a median strip curb upon exit of a round about (wet, road cambered into the median strip, impact at approx 30kmh with steering wheel turned and no doubt some lateral forces in play) which in my opinion caused the bearing damage and hence begin to growl. After replacement for about the first 2000 KM the bearing was silent and no steering shakes and I fell in love with the car all over again Gradually the same old growl and steering shake returned and made me investigate further and lead me to realise that the hub should also have been replaced as you have suggested.
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Old 05-10-2012, 10:55 PM   #151
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Well guys, i did mine today....
i was getting this crazy vibration since i came back from germany, and thoi had no play or no noise, i couldnt track it down.
changed tires, everything, it lessened, but was still there, then it never came at the same spot, sometimes at this speed, sometimes at that.
So anyway, i had the bearings, bought them off a member on here. So i poped off the wheel, and the dust cap... everything is cleam, out race looks mint, clean... i remove the caliper, spin it, no noise, no play, nothing....The were F.A.G. bearings too, so obviously been changed. hmmm... then my buddy was like, fuk it, you already bought them.
So i said screw it, pulled it off, every thing comes off, rotor with bearing attached, everything but the inner race. it got stuck at the end of the axle. ok, grabbed a rag, pulled that off. done. no damage, no scoring, nothing... clean... only the inner race rubber seal is busted. fair enough, i replace.

move to the other side, driver side is even cleaner, looks brand new... oh well, pulled it off, the entire bearing comes off, inner and outer, i knock it out of the rotor, all is in place.. look mint.
i clean up, grease up, and replace...
driving home from my buddy's place, no shake in the steering wheel, i go home grab my trash, head to the gym, jump on the interstate, doing 75, no shake, smooth except for this small "feel" for the lack of a better word.

Get done at the gym, take the easy way hom, no HWY, smooth local roads, nothing, thing is smooth as hell, all the noise and vibration is from my fuctup rear axle area... nice...

dont know how, but i guess they were shot without the usual symptoms.
Showing the pics to my room mate, he pointed out that one of the old bearings, the race looks off center... i zoomed in, sure enough it does.
Well i dunno if sitting for the year i was in Iraq and the 3 months i was in Germany ruined the race, and made them off center, but im guessing thats what happened, and now i replaced em and all vibration is gone...
so there.

i didnt have play or noise in the front rotor.. but apparently they were still shot.
Next floor repair, diff swap and rear wheel bearing.... lol
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Old 05-11-2012, 04:15 AM   #152
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Here u can kinda see what we think is the inner race that's not centered. May have been the force of my vibrations.
What's odd is the one that looks uneven is the one that I pulled off with everything completely intact. weird.
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Old 05-11-2012, 04:19 AM   #153
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Both looked great outside. I almost didnt change em.
Another look at the non centered looking inner.
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Old 05-13-2012, 03:30 PM   #154
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Unhappy FWB hicup

Reading these threads gave me so much confidence I tackled this without adequate preparation, I rented all the tools I didn't have from AutoZone-the catch, they didn't have the 46 mm but told me I could pick one up from Sears. Now my car is on stilts, turns out Sears stocks no such German contraption, its two wheels for the coming week (Bridgette is my german girlfriend, she wears a green dress and isn't shy- take a wild guess)! I'm gonna order a 46 mm from you-know-where but wanted to throw this s.o.s out there. If there's any forum member within 30 miles of Woodbridge, VA I will buy the beer! Thank you guys for making the internet useful for more than free porn and weird videos.
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Old 05-13-2012, 03:58 PM   #155
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Sears sometimes has a 3/4" drive 1-13/16 standard (non-impact) socket which will work. Pick up a 3/4 to 1/2 adapter while you are there so you can use your 1/2 drive breaker bar and torque wrench. An impact socket will probably NOT fit.
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Old 05-13-2012, 06:10 PM   #156
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Thanks teamdfl. There's another Sears out around my work place that I'm gonna try tomorrow, I found a 1 3/4 at PepBoys which converts to 44 mm and it didn't cut it. I'm gonna look up the difference between impact and non-impact sockets. You guys are so full of knowledge, thanks again.
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Old 05-13-2012, 07:45 PM   #157
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Dude hit up that online dealer from MD. Tischer or whatever.
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Old 05-13-2012, 08:12 PM   #158
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Both looked great outside. I almost didnt change em.
Another look at the non centered looking inner.
Sorry Snik, I can't make out which is which....

Glad to hear you got it sorted though. Feels great, doesn't it? Likewise, I have to do my rear bearings but will get the shop to do it. Way beyond my capability at the moment!
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Old 05-13-2012, 08:14 PM   #159
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Thank you guys for making the internet useful for more than free porn and weird videos.
Kobe, good luck with your repair...

Your comment is quotable!

You'll find that most fanatics that lurk in the General and DIY sections are quite helpful and very knowledgeable... sometimes you just have to get past their eccentricities
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Old 05-13-2012, 09:25 PM   #160
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Sorry Snik, I can't make out which is which....

Glad to hear you got it sorted though. Feels great, doesn't it? Likewise, I have to do my rear bearings but will get the shop to do it. Way beyond my capability at the moment!
Have u seen that video on you tube where the guy did the rears without any fancy BMW tools?
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