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BMW 3-Series (E90 E92) Forum
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2011 E90 335d Suspension Upgrade Results
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03-20-2013, 11:41 AM | #1 |
Jumping Jack Flash
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I recently upgraded my 335d base model suspension (except for Bilstein B6 install at just under 5k miles). I now have just under 12k miles. Please don't expect a pro review like some of the forum members are capable of. It will be seat-of-the-pants commentary as I encounter differences. No track time planned yet to assess track differences compared to last Sept at Summit Point; earliest HPDE for me might be May. I got the car back on 18 Mar and then went out-of-town until 4 April.
Work done: AC Schnitzer M3 Sport Springs, JRZ RS1 dampers set right in the middle of stiff-soft range, Quaife LSD, M3 rear subframe bushings, M3 sways front and rear, all bits except strut brace from M3 OEM Suspension Kit, Ground Control plates (sits at top of dampers to allow further adjustments). Camber set at minus 1.8. No change to diff bushings. Still running on OEM 17" wheels and winter RFT Blizzak LM-25. Also had Goodrich stainless steel brake linings done at same time and ATE 200 fluid put in. Also car is about 1/2-3/4" lower at the moment. Running same size all corners. Initial One-Day Impressions 1. In Philly streets heading to I-95S the first thing I noticed was a different feeling at the steering wheel on slow speed turning. 2. Hit a big Philly pothole at mercifully slow speed in the first 5-minutes. Just as jarring. [see next post]
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2021 X3 M40i: M Sport Differential, Adaptive M Suspension.
Previous BMWs: 1971 BMW 2002, 1973 BMW R75/5, and 2011 BMW 335d Previous Other Vehicles: '67 Cougar, '70 911e, '86 Jetta Diesel, '05 and '12 Foresters, et al. |
03-20-2013, 11:50 AM | #2 |
Jumping Jack Flash
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3. Drive back on I-95 in rain no profound impressions, but different to be sure.
4. First difference I noticed in a quick left turn on slippery street is that the rear end slipped out to the right but it caught itself and was more controlled than before. 5. Next similar experience was turning right at red light in wet with hard acceleration while not yet straight to blend into traffic approaching from left. It grabbed and held traction much better than it would have before. Felt much more controllable and predictable. 6. Lastly for now, and not sure this is necessarily a good thing. Meaning on public roads. It is a lot more fun to drive in a spirited way. Tangible difference. 7. Some minor new noises front and rear that I need to assess more to see if adjustments are needed. More later after 4 April.
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2021 X3 M40i: M Sport Differential, Adaptive M Suspension.
Previous BMWs: 1971 BMW 2002, 1973 BMW R75/5, and 2011 BMW 335d Previous Other Vehicles: '67 Cougar, '70 911e, '86 Jetta Diesel, '05 and '12 Foresters, et al. |
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03-21-2013, 09:19 AM | #3 |
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dFan, you're my hero! Everything I want to do and more. I'm dying to hear more about it once you get the chance to really put the new setup to the test.
How hard was it to garage the like-new diesel and head out of town? |
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03-21-2013, 10:04 AM | #4 | |
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Quote:
It would help my review process if forum members have any specific questions they want me to check out.
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2021 X3 M40i: M Sport Differential, Adaptive M Suspension.
Previous BMWs: 1971 BMW 2002, 1973 BMW R75/5, and 2011 BMW 335d Previous Other Vehicles: '67 Cougar, '70 911e, '86 Jetta Diesel, '05 and '12 Foresters, et al. |
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03-21-2013, 11:16 AM | #6 | |
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2021 X3 M40i: M Sport Differential, Adaptive M Suspension.
Previous BMWs: 1971 BMW 2002, 1973 BMW R75/5, and 2011 BMW 335d Previous Other Vehicles: '67 Cougar, '70 911e, '86 Jetta Diesel, '05 and '12 Foresters, et al. |
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03-21-2013, 12:35 PM | #7 |
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Nice feedback!
Turn the wheel quickly at highway speeds to change lanes, it'll bring a smile to your face pretty much instantly. The JRZ RS1 dampers are never harsh due to how JRZ handles compression. Every click counts on the single adjustment knob - I ran them at 19/24 towards stiff on the street with no issues, and sometimes I'd run them at 9/24. The primary difference between stiff/soft is that the car body will be allowed to move more if the dampers are set less stiff; the beauty of it is the ride quality doesn't change. I bet the Quaife ATB makes an even bigger difference on your 335d than it did on my 335i, since you have so much torque.
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03-21-2013, 01:45 PM | #8 |
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03-21-2013, 06:51 PM | #9 | |
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03-21-2013, 07:11 PM | #10 | ||
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2021 X3 M40i: M Sport Differential, Adaptive M Suspension.
Previous BMWs: 1971 BMW 2002, 1973 BMW R75/5, and 2011 BMW 335d Previous Other Vehicles: '67 Cougar, '70 911e, '86 Jetta Diesel, '05 and '12 Foresters, et al. |
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03-22-2013, 04:50 PM | #12 |
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This is some serious "baller" upgrades my man.
Love it! The GC plates up front will definitely add some noise for sure. Are you waiting for everything to settle before doing an alignment? |
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03-22-2013, 05:21 PM | #13 | |
Jumping Jack Flash
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2021 X3 M40i: M Sport Differential, Adaptive M Suspension.
Previous BMWs: 1971 BMW 2002, 1973 BMW R75/5, and 2011 BMW 335d Previous Other Vehicles: '67 Cougar, '70 911e, '86 Jetta Diesel, '05 and '12 Foresters, et al. |
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03-23-2013, 10:46 AM | #15 | |
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2007 E90 335i, TiAg, 6AT, ZPP, ZSP, ZCW, 6FL, HD
Quaife lsd, ETS fmic, GIAC s/w, Dinan intake/exhaust/oc, Koni/M3 susp, Apex Arc 8, Mich PSS |
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03-23-2013, 02:10 PM | #16 |
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Yeah the GC plates are silent for all intents and purposes. You'll feel more with them, but not hear more ...
I have full race camber plates now and they are definitely noisier than GC Street, not due to install but just the way the spring sits on them. I only notice an increase in noise over over rougher pavement (it's road noise, not mechanical; think like having louder tires).
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03-23-2013, 02:19 PM | #17 |
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I assumed 335dFan went with the full racing camber plates like Charles did, hence why I said more noise.
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03-24-2013, 01:41 PM | #18 |
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Jack - thanks again for bringing your baby to us.
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04-10-2013, 09:16 AM | #19 |
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First let's see some pictures, a little bit at a time. This time the rear springs and dampers.
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2021 X3 M40i: M Sport Differential, Adaptive M Suspension.
Previous BMWs: 1971 BMW 2002, 1973 BMW R75/5, and 2011 BMW 335d Previous Other Vehicles: '67 Cougar, '70 911e, '86 Jetta Diesel, '05 and '12 Foresters, et al. |
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04-10-2013, 09:20 AM | #20 |
Jumping Jack Flash
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Front dampers
Front RS1s before the goop was cleaned off.
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2021 X3 M40i: M Sport Differential, Adaptive M Suspension.
Previous BMWs: 1971 BMW 2002, 1973 BMW R75/5, and 2011 BMW 335d Previous Other Vehicles: '67 Cougar, '70 911e, '86 Jetta Diesel, '05 and '12 Foresters, et al. |
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04-10-2013, 09:30 AM | #21 |
Jumping Jack Flash
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The RS1 Adjustment Knobs
The four RS1 adjustment bits. More later.
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2021 X3 M40i: M Sport Differential, Adaptive M Suspension.
Previous BMWs: 1971 BMW 2002, 1973 BMW R75/5, and 2011 BMW 335d Previous Other Vehicles: '67 Cougar, '70 911e, '86 Jetta Diesel, '05 and '12 Foresters, et al. |
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04-10-2013, 05:24 PM | #22 |
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I can attest to the beauty of dFan's setup. I'm settling in for a birthday party at the moment, but will be sure to put a complete review up in the next day or so. Obviously I didn't take my friend's car anywhere near the limits on public streets, but I can truly say that this setup is amazing.
Details to follow. |
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