03-01-2020, 03:54 PM | #135 |
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I ordered a set of the Tractive PnP EDC "Touring" kit (the same version everyone seems to be getting) after reading all the positive feedback. They arrived within ~5 weeks from ordering, so expect a bit of a lead time. I'm scheduled to install in about a week, so excited to see how they feel once they've settled.
My friend ordered their "Road & Track" version, which unlike the "Touring" kit, it is a true coilover for both front and rear. However, they are still meant to work with the stock EDC and are considered a PnP kit. The fronts also come with camber adjustable top mounts, which is great. The "Road & Track" kit is meant to be a bit more aggressive than the "Touring" kit due to stiffer spring rates and solid top mounts. They also allow front and rear height adjustability, unlike the "Touring kit" which has a fixed rear height. But we'll both be testing on the road and track to see if the "Road & Track" kit was worth the extra 1,285 Euros (~1,420 USD). Prices quoted directly from Tractive are:
They also offer a "Race" version which come with different dampers that have an external reservoir. The springs on these kits are customizable per your application. I believe the price of that kit was ~6,550 Euro.
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2015 BMW F80 M3: Tractive EDC Suspension / Dinan Anti-Roll Bars / GC Camber Plates / KMP Dual Diff Mount / Girodisc Rotors / GT4 Brake Cooling Kit / PTF Flash Tune / Eisenmann Downpipes / CSF Heat Exchanger / BMS Charge Pipes
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03-17-2020, 09:06 PM | #136 | |
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03-18-2020, 12:35 AM | #137 | |
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03-18-2020, 09:52 PM | #138 |
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Are you unhappy with the Ohlins?
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06-10-2020, 09:22 AM | #140 |
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The difference between an OEM divorced rear spring setup vs. a rear coilover setup is small and the benefit is track focused. Switching to a rear coilover setup is when you’re trying to find that last < 5% in suspension setup (tenths of seconds, not seconds on the track). On my track-prep’d e46 M3, I started with a Moton divorced rear setup and then after 1-1.5 years of running the setup I switched to a rear coilover setup. After dialing every thing in again, I was 0.25 sec quicker on a 2 mile long track and 0.4 sec quicker on a 3.1 mile track. A pro racer drove my car with both setups and his lap times with the coilover rear setup improved by < 0.5 sec on the 3.1 mile track. One major advantage to a rear coilover setup is it makes height adjustments and corner balancing easier (unless you’re using the latest GC rear articulating spring adjuster with a divorced setup).
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09-01-2020, 02:48 PM | #141 |
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The Tractive Touring Kit (which has a true coilover in the front, and divorced setup in the rear) spring rates are:
Front: 90N/mm ≈ 514lb/in Rear: 120N/mm ≈ 685lb/in For Comparison, I believe the factory non-ZCP spring rates are: Front: 30N/mm ≈ 171lb/in Rear: 100N/mm ≈ 571lb/in And finally, I believe the factory ZCP spring rates are: Front: 35N/mm ≈ 200lb/in Rear: 120N/mm ≈ 685lb/in
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09-04-2020, 02:34 PM | #142 |
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My tractive touring just shipped from the Netherlands. Can't wait to get them installed!
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09-07-2020, 09:42 AM | #144 |
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Would you share the purchase details? Retailer, cost etc.
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09-07-2020, 09:43 AM | #145 | |
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09-07-2020, 10:00 AM | #146 |
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Sure thing, I contacted tractive originally and they pointed me to one of their dealers which were local to me called inertia laboratory in Carrollton, TX. I paid about 4500 for them so no discounts whatsoever.
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09-08-2020, 11:27 AM | #147 |
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Almost all aftermarket coilover mfgs spec their spring rates with higher front ride frequencies than rear (OE is higher rear than front). There are a myriad of reasons they do this ranging from making the car feel supported and responsive, not needing front sway bar upgrades, inducing understeer so getting on throttle sooner doesn't cause over steer, ect. There are downsides too.
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01-17-2021, 03:20 PM | #148 |
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My initial impressions:
A lot less crash-y. I'm not a track enthusiast nor do I know much about suspensions but all I know is driving on the roads around town, the imperfections are a lot less jarring. The best way I can explain it is, with the stock suspension going over imperfections, it felt like sharp bumps but with the Tractive on, it felt more dull (if that makes sense). I think that relates to better dampening and maybe the stiffer spring rates. I can now actually feel the difference between the different EDC settings and find that sport is now great for around town driving (used to stick with comfort). With all the settings, there is definitely less body roll with taking turns and I feel more confident and feel like I can now know when the car is going to start sliding. Just be aware that the rear height is not adjustable, but I'm happy with the drop. I think Tractive setup is great but I can't say if they are better than the KW or Bilstein EDC offers as I've never driven an F80 with them. On to the installation experience. I got the suspension in September and decided to wait till Thanksgiving to install it. When I went to go install the rear, I realized they connected the wrong plug onto the rear shock so it didn't work with their adapter. Their customer service is great but the everything comes from the Netherlands as I don't think they really have a distribution network here in the US. They sent out new adapter cables that was compatible with the wrong connectors they put on the shock. So I try to finish my install Christmas now since I was waiting for the new cables. This time plugging it in, the rear left had no signal. I took a continuity tester and confirmed it had no signal. They were willing to send the parts over to a local distributor and rebuild the shock but I ended up taking the plug off and ordered a couple of compatible molex pins and replaced the pin connectors on the wire and all is well. All in all, their customer service is great but be aware that since they don't have a huge presence in the US, then everything has to come from the Netherlands. They did inform me that they are working on revised rear shock connectors where they can reuse the OEM cable (like Bilstein)
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07-03-2021, 09:13 AM | #150 |
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03-27-2022, 03:42 PM | #152 |
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04-05-2022, 09:53 AM | #153 |
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Tractive touring kit installed today
First impression, the best suspension upgrades I've ever experienced. It's better than expected. 2016 lci m3 previously on M performance Has. On highway with comfort, The ride is very similar to oem but you can feel more vibration thru the seats, you definitely feel the road more. But not in an unpleasant way. When the car was oem and you hit a pothole, you can feel the car banging and then lift up a little. After tractive kit, the car just drive thru it, no more banging or lifting. The up and down movement of the car reduced almost like 90 percent, you will feel it even thru speed humps. I also tried to use sport + testing on the back roads I normally go. The car no longer have unwanted body rolls, it bites on the floor and you can just push with confidence. No pulling left or right, no bouncing thru uneven terrains. I used to give a lot of reserve driving this car because I didnt fully trust it, a lot of time it understeers and its unpredictable, now it's all gone. I can fully trust the car now. The car cut thru corners very smoothly, so i can push at least 10-15kms faster almost every corner. Without even putting too much efforts. I've never felt driving M3 is a relaxing thing. You always have to kinda fight with it especially when the car is at the limit. But now it's a joy to drive this car. This kit truely added a premium feeling to the car, makes the m3 drives and feels like a Porsche, only wish I had it on sooner. |
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04-09-2022, 09:13 PM | #154 | |
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