09-17-2019, 03:44 PM | #67 |
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Also, is the steering really as responsive/precise and nearly “instantaneous” as advertised by Turner?
That’s something I’m looking for. “Point and shoot” type steering with immediate turn in and more “feel”
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09-17-2019, 04:04 PM | #68 |
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Update: I just got off the phone with Turner and they said the thrust arm Monoball upgrade is a no-go for XDrive because the arm is a different part number.
They told me to instead get the KMAC front camber adjustable bushings which will work similarly and also allow negative camber adjustment Opinions?
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09-17-2019, 04:06 PM | #69 | |||
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In the pic below the short spacers are the ones 2nd from the outside on both sides (the outer-most part is the lock nut). Quote:
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Dimensions taken from the Meyle site: xDrive tension strut bushing: 80mm long, 12mm ID, 70mm OD RWD tension strut bushing: 95mm long, 12mm ID, 70mm OD From the pictures below you can see that the center of the bushing the bolt goes through extends equal lengths from the larger 70mm cylinder on the xDrive version, but the RWD version has one side longer than the other. RWD bushing: xDrive bushing:
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09-17-2019, 04:37 PM | #70 |
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Can I get a confirmation that this would achieve similarly to what the Monoball setup would:
https://www.ecstuning.com/b-kmac-par...193616-8h~kma/
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09-17-2019, 05:10 PM | #71 | |
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09-17-2019, 07:10 PM | #72 | |
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09-17-2019, 08:02 PM | #73 |
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The tension strut monoball can only do caster. If you want camber adjustment, you need to get a LCA bushing but that won't change steering feel as drastically as the tension strut bushing.
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09-18-2019, 08:38 AM | #74 |
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Can I get camber plates to go with the KMAC Monoball?
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09-18-2019, 10:50 AM | #75 |
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It sounds to me like you may want to spend some time looking at the front axle diagrams on RealOEM to get familiarized with the suspension components and where they are. I think you may be confusing yourself by not knowing how they go together and which component affects what (like camber and caster).
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09-18-2019, 11:10 AM | #76 |
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You could. That's what I run as well. I would echo Farkie's suggestion to check out some diagrams to get familiar with how these pieces will fit together and also to learn the different names for parts.
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09-18-2019, 11:35 AM | #77 |
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You mean for me personally? As far as install goes, I’ll have a performance shop install everything.
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09-19-2019, 12:41 AM | #78 |
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Even if someone else is doing the work, it'll be useful info to know when you're setting up your suspension and figuring out specs and what range of adjustments you want.
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09-22-2019, 01:10 PM | #79 |
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I would strongly suggest you reconsider the bushings with your h&r springs. I made it about a mile before my front axle broke with that setup. It creates too much intolerance in the axle seating. Cost over 1500 to fix car after this happened.
if you want more camber, I would do camber plates only or you're playing with fire on the xdrive. |
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09-22-2019, 02:19 PM | #80 | |
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09-22-2019, 06:58 PM | #81 |
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My thoughts on the Meyle HD tension struts are up, if anyone is interested.
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09-23-2019, 09:27 AM | #82 | |
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11-08-2019, 11:20 PM | #83 |
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@OP Have you noticed any slight “thud” sounds since you’ve install the Turner tension arms?
I installed mine for about 500 miles now and from the beginning it’s always had a slight “thud” sound when going over road imperfections. Sounds kind of like a ball joint going bad. |
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11-09-2019, 12:26 AM | #84 | |
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Either that or the shop didn't tighten the bolts fully to 100Nm/75ft-lbs (I've seen that too).
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11-09-2019, 01:30 AM | #85 | |
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I did the installer myself and torqued the bushings @ 75ft-lb and the ball joints @ 125ft-lb I really like the steering feel of the tension arms but that thud sounds drives me nuts! |
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11-10-2019, 10:08 AM | #86 |
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NimbusGarage - thanks for asking. Yes, that's the downside of the monoball. The marketing claims very low NVH, which is partially true. On a fairly good stretch of freeway, it's like stock. But on a bad patch of road, it's like BANG, BANG, BANG. So the compromise is that feedback. Get turn-in that is crisper and just way better in feel, or get that comfort thing, but deal also with really vague-feedback.
My past cars were a Miata, E36 M3, and Subaru BRZ. That rough BANG on bad roads was pretty prevalent on those cars so the transition for me wasn't too dramatic. But back to your question - it's the monoball, not your install job. If it helps, all the complaints about the M4 ride quality being harsh. Take a look at the component. It's a monoball also. |
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11-10-2019, 06:26 PM | #87 | |
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01-23-2020, 09:11 PM | #88 | ||
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I've got a '15 335i xDrive with Eibach (-06), KoniSA's, H&R Sways and a Weickert Strut Bar. Summer tires are MPS4S in 245/40-18. Street performance without any tracking planned. 37k miles so far. My head is spinning from reading threads, retailer websites and manufacture websites about monoball components. I understand that there aren't many monoball front suspension products for F3x xDrive. Are there any others in addition to the K-MAC Part# 193916-7J, described as bushing kit for front caster thrust arm? ~$380/pair I've read this part called by three different names: "upper control arm", "tension strut" and "front control arm". They all seem to refer to BMW Part# 31126854723 & ...24. (BMW OEM ~$132/each) (Lemforder ~$82/each, makes them for BMW) I understand that the aluminum control arms stretch and bend over time with use. So I assume that it would be best to have monoballs installed into new Lemforder control arms, rather than reuse 5-year old original control arms. Would you recommend these parts to meet the goals of better steering feel without adding NVH? Are there other suspension components that should be changed at the same time? Would the standard alignment specs be best, or how should the alignment specifications be changed? Any input is greatly appreciated! |
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