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Suspension & Braking
Have some questions about suspension or brake setups for your E46 BMW? Get all your answers here!

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Old 10-12-2013, 08:11 AM   #101
ti317
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Mango, help!

The new bushings went in easily but they are off center in the arms. That is more of the metal covering shows on one side of the arm than the other. The arms do fit easily into the carriers, even with limiters in place.

Should I worry about it, or could is be just a design difference? I am using Bilstein/Febi bushings.

I have everything assembled but not torqued yet.
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Old 10-15-2013, 02:00 PM   #102
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This is why everyone should tackle this. Mine were completely SHOT. And there is a significant difference in how the car handles. On the one side, the metal outer casing is completely gone.
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Old 10-15-2013, 02:24 PM   #103
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Yeah but if we don't try new things, we never progress. The trick is to identify quickly when it's time to get back in line before you do any damage.
there's no point in wasting your time in what you described. if there was a more efficient way of doing it, i would let you know.

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Originally Posted by ti317 View Post
Mango, help!

The new bushings went in easily but they are off center in the arms. That is more of the metal covering shows on one side of the arm than the other. The arms do fit easily into the carriers, even with limiters in place.

Should I worry about it, or could is be just a design difference? I am using Bilstein/Febi bushings.

I have everything assembled but not torqued yet.
i don't know. i can't vouch for febi bilstein.
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Old 10-15-2013, 09:13 PM   #104
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This is why everyone should tackle this. Mine were completely SHOT. And there is a significant difference in how the car handles. On the one side, the metal outer casing is completely gone.
Yikes! Mine looked like new but I am in Florida. Great roads, sweeping curves and no hills.
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Old 10-15-2013, 09:18 PM   #105
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there's no point in wasting your time in what you described. if there was a more efficient way of doing it, i would let you know.
Your modesty knows no bounds. That's why so many flock to you.

Quote:
i don't know. i can't vouch for febi bilstein.
I'll just torque it all up and get it aligned and see what readings they can get.
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Old 10-16-2013, 02:22 PM   #106
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Definitive Trailing Arm Guide


Rubber mount part number (2 per car on non-M models): 33326771828



M3 balljoint part number (2 per car on non-M models and 4 per car on M3 models): 33326775551



These are torqued to around 78 ft-lbs (99% sure) if someone can find the official spec, I'd appreciate it.
E46 Bentley p. 330-6 states 81 ft-lbs for all 3 RTABs.
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Old 10-17-2013, 02:03 AM   #107
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This is why everyone should tackle this. Mine were completely SHOT. And there is a significant difference in how the car handles. On the one side, the metal outer casing is completely gone.
How many miles were on those? Yikes!

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Old 10-17-2013, 09:51 AM   #108
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E46 Bentley p. 330-6 states 81 ft-lbs for all 3 RTABs.
it helps but i don't like bentley nor do i use it. they make ford bronco and toyota tercel books. they're the walmart of car manuals. they've been off on many other things in the past.
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Old 10-18-2013, 05:50 AM   #109
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it helps but i don't like bentley nor do i use it. they make ford bronco and toyota tercel books. they're the walmart of car manuals. they've been off on many other things in the past.
What do you use? I have a Bentley for my S4 not crazy about it, that's why I didn't buy one for the e46. I have a Chiltons for the E46 but I research everything as the Chiltons is kind of like a comic book. I use it for a quick reference but rely heavily on some guy on the boards called Mango. Do you know him?

By the way, Chiltons has the same torque numbers.
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Old 10-18-2013, 10:08 AM   #110
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What do you use? I have a Bentley for my S4 not crazy about it, that's why I didn't buy one for the e46. I have a Chiltons for the E46 but I research everything as the Chiltons is kind of like a comic book. I use it for a quick reference but rely heavily on some guy on the boards called Mango. Do you know him?

By the way, Chiltons has the same torque numbers.
That's fine. I'm not saying Bentley is wrong on everything, but in general, I don't give them any thought. They should be generally right on torque specs and people will often repeat those on the internet. But in terms of practices, etc., I don't trust them. I believe they say to lubricate the caliper guide pins. One example. Anyway, I don't use any manuals. Just learn as I go along and call up memories of TIS when it was online.
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Old 10-18-2013, 11:03 AM   #111
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E46 Bentley p. 330-6 states 81 ft-lbs for all 3 RTABs.
Quote:
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it helps but i don't like bentley nor do i use it. they make ford bronco and toyota tercel books. they're the walmart of car manuals. they've been off on many other things in the past.
BMW TIS (12/2007 version) says:
11AZ Upper/lower control arms to trailing arm: 110 Nm (81 ft-lbs)
12AZ Trailing arm to console: 110 Nm (81 ft-lbs)

"console" can only mean the bracket that connects the trailing arm to the body.
Conversion to ft-lbs: Nm * .738
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Old 10-18-2013, 12:26 PM   #112
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yeah the single 18mm bolt that goes through the trailing arm bracket is 81 ft lbs or so. the three 18mm bolts to the body are around 57 ft lbs iirc
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Old 10-19-2013, 08:59 PM   #113
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Finished the RTABs. I had to press the Febi bushings further into the arms as the way they were, made it next to impossible to catch the 3 bolts on the carriers.

I installed limiters, I think they were Delrin and it seemed they made it very easy to achieve zero preload. Taking it Monday for a set of Pilot Sports A/S3 s or Super Sports.

Haven't decided yet.

Even though my RTABs were not that bad, pulling the tires off revealed hidden tire damage on the inside of one tire.
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Old 10-20-2013, 06:02 PM   #114
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Replaced all mine this weekend. Was able to remove and install bushings using my homemade press. Install is simple reverse of what you see. I just haven't uploaded the video of that yet. It may not work if you live in a snow prone area as you will have more corrosion than my car. But it worked quite easily. I use an air chisel to muscle the front bushing out, I installed powerflex. After alignment the car feels a lot more stable. Very worthwhile indeed.

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Old 10-21-2013, 06:49 PM   #115
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Update. Did not do the FCABs as I am waiting for delivery of a bunch of bolts from a dealer in ME( 32 @ $2.02 compared to $5.85 that the dealers here want).
Decided to go with the Pilot A/S3. Love he ride comfort but I need to not drive the car for a while till I can change the FCABs. The alignment tech checked them for me and agreed I should wait until they are changed.

The RTABs with limiters the rear end really feels tight and is quiet so far. The front is now a littler looser feeling but that will be solved soon. Can't really say how the handling is as I cannot drive it hard or long right now.
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Old 11-06-2013, 05:53 AM   #116
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Final report.
Got FCABs done (I was away on a cruise, so it took a while) got a good alignment done. So far, the car feels fantastic! I am breaking in the new tires so I have not driven it hard yet. It feels like new!
It's amazing how looseness creeps up on you in a DD so you don't notice it unless something is actually wrong.

Refresh list to date:
FCABs, TABs, checked stabilizer bar links and bushings. Koni FSDs <15k miles ago.
Active Autowerke front strut brace (At about same time as FCABs)
18" Michelin Pilot A/S 3
Love the result!

PS. Big thanks to Mango for his many informative posts on suspension refresh.
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Old 11-06-2013, 10:09 AM   #117
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Final report.
Got FCABs done (I was away on a cruise, so it took a while) got a good alignment done. So far, the car feels fantastic! I am breaking in the new tires so I have not driven it hard yet. It feels like new!
It's amazing how looseness creeps up on you in a DD so you don't notice it unless something is actually wrong.

Refresh list to date:
FCABs, TABs, checked stabilizer bar links and bushings. Koni FSDs <15k miles ago.
Active Autowerke front strut brace (At about same time as FCABs)
18" Michelin Pilot A/S 3
Love the result!

PS. Big thanks to Mango for his many informative posts on suspension refresh.
nice. post pics of your car! and the suspension/wheels/tires.

what wheels?
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Old 11-06-2013, 01:25 PM   #118
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So, you wanna service the rear trailing arm? Definitive Trailing Arm Guide

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nice. post pics of your car! and the suspension/wheels/tires.

what wheels?
Car is not much to look at but drives awesome.
18" Type 162 staggered wheels.
It's filthy right now due to construction next door. I'll wash it if it doesn't rain and post a pic in a bit.


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Old 11-06-2013, 02:07 PM   #119
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So, you wanna service the rear trailing arm? Definitive Trailing Arm Guide

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nice. post pics of your car! and the suspension/wheels/tires.

what wheels?
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Old 11-14-2013, 03:25 PM   #120
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GOT almost all my suspension parts together, quoted $1000 for front and rear minus the shocks. Worth doing myself or just have the shop do it?
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