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Rogue Engineering rear toe arms review
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11-23-2011, 06:31 PM | #1 |
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Rogue Engineering rear toe arms review
Here are the arms I purchased from Harold at HPA for $290
http://www.hpashop.com/Rogue-Enginer...rms-E9X-TA.htm Current Engine mods: Procede Rev 2.5 (11-1 map), BMS DCI, AR Catless DPs, AMS FMIC, Procede PWM Meth, Forge DVs, CDV delete, Front Suspension: Dinan Stage 3 susp = dinan camber plates, swaybars (front and rear), springs and shocks - PLUS: front M3 wishbones/tension arms Rear Suspension: rear M3 upper and lower control arms, Subframe bushings, Wavetrac LSD, rear Dinan Sway PROBLEM: I was experiencing torque steer on WOT when all the new power kicked in with the Meth and agressive 11-1 maps. This was sucking all my confidence out of the drive as the car moved around STILL - after doing the rear end with all the parts. I was expecting after the subframe bushings, to have the rear end planted... not the case. I could keep my hands rock solid on the wheel, mat it and the car would end up in the left lane. I believe there was some indirection on heavy braking too, but that didn't bother me as much. Either case, after spending all this cash on the car, it STILL wasn't right and I wasn't happy with it. I was expecting for a M3 laser straightness for accel and decel. SOLUTION: Rogue Engineering Toe Arms I got my parts in on Tues, and I just got back from the BMW stealership and had the 4 wheel alignment done (which was not done after all the rear end work by the way - which could have added to the misalignment). RESULT: The car tracks a straight line now. I can mat it, one finger on the wheel and it tracks a straight line. Braking seems to be solid and straight too. I do notice some movement some times - but this could be from the fact that the rear end is spinning.... in Third gear, it was solid and straight. I only drove it for a bit tonight (about 1.5 hours) but really noticed the improvement. I"ll review in a few weeks again.
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11-23-2011, 06:40 PM | #2 |
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Do you hear any new noises with these links?
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11-23-2011, 07:03 PM | #3 |
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Sounds good! Any increase in NVH? Any change in on-center steering feel at high speed? Do you notice if straight-line stability is better, or did that already seem perfect?
Thanks for the review.
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11-23-2011, 09:17 PM | #4 |
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The bearings are sealed. I would not expect any clunking at least for 3 months...
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11-24-2011, 03:14 AM | #6 |
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Thanks for your review. Looking forward to getting these installed on my car. I also hope they will hold up well over time, with our winters and the salty roads.
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11-24-2011, 09:29 AM | #7 |
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Thanks for your review. I got mine a few days ago and will be installing them early next year.
Alpina_B3_Lux
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11-24-2011, 12:29 PM | #8 |
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Nice review. I'll be placing my order tomorrow hoping for a Black Friday discount lol.
To anyone wondering about the rear upper arms and guide rods, I honestly didn't feel any difference after replacing them on my car. Who knows what the difference would be with the rogue rear arms and no M rear bits tho. Needless too say, I won't be taking mine off haha |
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11-24-2011, 01:09 PM | #9 |
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Clunking???
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11-24-2011, 01:14 PM | #10 | |
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Quote:
You're probably right about the upper links-they don't do much. Ever pass a car quickly on a 2 lane road? My car torque steers when I do that, even w/the m3 subframe bushings. These toe links should eliminate/reduce that..
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11-24-2011, 02:12 PM | #11 | |
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11-24-2011, 04:22 PM | #12 | |
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Quote:
On center feel is better car track better, less tramlining Straight line better, and no it wasn't right before but that could have been my alignment High speed feels muchbetter
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11-24-2011, 04:25 PM | #13 | |
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I think I would do these last if you have a mountain of power (meth) and have done the m3 arms like I did
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11-24-2011, 04:29 PM | #14 | |
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Quote:
I am not convinced the issue is 100% gone, but it certainly is 90% gone, much better and acceptable.
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Previous: 2014 BMW F32 435iX - JB4, MHD Flash, BMS Meth Kit, ER Intercooler, intake, catless DPs, KW Streets, 437M Reps with 245/35 and 275/30 Michelin PSS 4S |
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11-24-2011, 04:31 PM | #15 | ||
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Quote:
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2020 M2 Competition HS, DCT, 763s, Carbon: splitter, side skirt, grill, diffuser, wing
Previous: 2014 BMW F32 435iX - JB4, MHD Flash, BMS Meth Kit, ER Intercooler, intake, catless DPs, KW Streets, 437M Reps with 245/35 and 275/30 Michelin PSS 4S |
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11-26-2011, 11:36 AM | #17 |
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I second DaFish's findings.
I have Velocity motorcars rear suspension links, and they really help keep everything planted in the rear. Since there's no rubber bushings at each of the links, steering input is increased. Having said that, yes, NVH is up a bit. Additionally, I track my car and it was well worth the effort to change over these types of toe arms.
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Last edited by Thumperx; 11-26-2011 at 01:26 PM.. |
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11-26-2011, 05:14 PM | #18 | |
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Quote:
If the people who have the arms could be specific about what exactly the difference was, without vague language, and what your test was, it would be 10X more helpful to us that don't have the part. And thanks for the feedback on NVH, I haven't heard anyone mention that before.
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11-26-2011, 07:14 PM | #19 |
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I would do the M3 subframe bushings first.
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11-26-2011, 07:49 PM | #20 |
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Why? It's hundreds cheaper to do the rear arm first and see if it solves the issue. If you do the subframe bushings you have to decide whether to do the m3 rear bar at the same time, and that's a big change to how the suspension works.
I would say to focus on specific problems you're having, and do the cheapest stuff first that addresses those problems. Tension struts (in front) and toe arms (in rear) are good candidates for directional stability and mechanical grip. That said, it may well turn out that subframe bushings are necessary to get the result you want. It's not known, since no one's tried just installing the toe arm, without having done the subframe bushings beforehand.
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11-27-2011, 01:11 PM | #21 | ||
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The "difference" is the spherical bearing eliminates slop and alignment changes that stock rubber bushings under load. Unlike DAFish's direction, my focus and direction was to supplement positive lateral input by changing three of links (rear guide arms, rear upper link, and rear toe arms) and at track geometry changes. Without changing the M3 sub frame bushings, this link system will not cure the rear suspension wallow that most of us complain about. There's a drastic reduction of wallowing through moderate and sharp turns on comparative basis to a rubber bushing links. As mentioned here and other threads, I do highly recommend swapping the rear sub-frame bushings for the M3 ones first (or simultaneously) before any other suspension link upgrades. More importantly having installed: M3 front end bits, sway bars, performance shocks, and performance tires all together contribute in how I want my car to behave. For me it wasn't just changing the rear toe links; rather, a total suspension package changes (with more upgrades to come) to meet a more "planted" feel. Quote:
Here are some pics to how the links look installed at the rear:
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Name: Blanca | 07 E92 | AW-Blk | ZSP | Alcon BBK | M3 Bits | VM RR Links | Koni | UUC Sways | V5 | Dinan CAI | ETS IC | Fge DV | ER CP | Cyba | Raden. Exh | Mod Step | Trunk Drawer | Perf LED Wheel | Illum Dr Sills | IS Shifter | Parrot | Philps D1S | 6000k fog | MTECH RR | CSL Trunk | Aero | Roof Spoiler | PSS on BBS RS-GT 19s
Last edited by Thumperx; 11-27-2011 at 03:38 PM.. |
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11-27-2011, 01:52 PM | #22 | |
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They'll not go on my car before February, so it will be a while until I can test that out. Alpina_B3_Lux
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