02-24-2022, 04:40 AM | #1 |
The artist formerly known as AC Schnitzer UK
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AC Schnitzer sports suspension for cars with adaptive suspension
Superb AC Schnitzer sports suspension (matched lowering springs and sports dampers) is now available for all rear wheel drive (sDrive) 3 and 4 series (G2X) with adaptive suspension.
Sports suspension for cars with xDrive and adaptive is still in development. With AC Schnitzer sports suspension the adaptive damping function is deleted. As with the F series, AC Schnitzer found in testing that beautifully matched non-adaptive springs and dampers still outperformed any kind of adaptive damper in all driving scenarios. For 3 series G2X: https://shop.ac-schnitzer.co.uk/spor...om-10739-p.asp For 4 series G2X: https://shop.ac-schnitzer.co.uk/spor...23-11495-p.asp AC Schnitzer sports suspension can be ordered and fitted at approx 60 dealers in the UK and Ireland: https://shop.ac-schnitzer.co.uk/dealers-4-w.asp |
02-24-2022, 10:00 AM | #2 |
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I have a 420i MSport G22 with the standard *non-adaptive* sports suspension, the damping is well controlled, and composure over broken surfaces is great, but it's undeniably very firm - a little too firm for my taste.
I test drove a couple of the cars that had adaptive and they were, in Comfort mode, just about perfect. Unfortunately, I wasn't able to find a car with non-adaptive MSport suspension to test drive and was told that the smaller wheels and non-RFT tyres would make my car feel just like the cars I drove (larger RFTs with adaptive suspension). So my question I guess is would something like this be an option to replace the standard MSport non-adaptive sports springs/dampers on my car, and would it give the same lowered stance and composure as I have, but with greater comfort? |
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02-24-2022, 10:50 AM | #3 | |
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I'm a little confused about what you have at the moment. Are you saying you have an M Sport car but without M Sport suspension? Anyway, AC Schnitzer Sports suspension will lower your car a little from where it is now, but keep the comfort. Maybe even improve it. Take a look at these customer reviews from the previous generation 3 series: https://shop.ac-schnitzer.co.uk/spor...rom-2135-p.asp The components we use are better quality and better matched to each other than the stuff BMW uses, which is where the improvements come from. |
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gregch26.50 |
02-25-2022, 02:37 AM | #4 | |
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No, it's an MSport with MSport suspension (which is the base level "standard" for 4 Series in the UK, afaik). When I say "standard" I really mean it does not have adaptive suspension. Apologies for the confusion.
This issue I have is that I tried a couple of G22 cars, both fitted with the Pro Pack (ie adaptive suspension) and found their suspension and damping every bit as composed as my car but in their adaptive "comfort" mode they were much more, well, comfortable! My car (which has MSport sports suspension but not the 'pro pack' adaptive suspension) has the same low stance, composed ride, etc, but feels very firm, to the extent that it's nowhere near as comfortable, even on smaller wheels and softer tyres. I guess what this probably tells me, now I come to think about it more, is that the adaptive suspension is very likely identical to mine in terms of springs etc but its the adaptive dampers - when put into comfort mode - making the difference? Is it possible to replicate that? Quote:
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02-25-2022, 03:58 AM | #5 |
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Suspension is quite a subjective matter i.e. people perceive it differently, which is why I wanted you to see the customer reviews and get a feel for the consensus. (By the way, we don't edit customer reviews or refuse to publish any negative comments - we just don't get any )
There is a difference between harsh and firm. Ours is firm, but always supple, and not harsh. One of the comments we often get about our suspension is that it "feels expensive". That doesn't mean it will feel like a 7 series, it means it removes the harshness but keeps the body control. Not a direct comparison, I know, but you're welcome to test drive our M135i demo car if you wish. It has our coilover suspension, but will give you a good idea of the ride comfort we aim for. It has 20" wheels. |
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02-25-2022, 04:04 AM | #6 |
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Are you expecting the upcoming xDrive version to delete the adaptive function as well?
And will the existing ACS springs be compatible (if you already have them)? i.e. will there be an option to just upgrade the dampers
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02-25-2022, 04:26 AM | #7 | |
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And yes the sports kit contains the same springs as our spring kit, so just like the F series you will be able to buy the springs and then the dampers on their own later if you wish (or when the stock dampers get tired) for the difference in price. You'll be paying two lots of labour in this case though, as it's essentially the same job to fit the springs or the whole sports kit. You'll see in lots of the reviews comments like "wish I had done this earlier", so if you can afford it it's best to bite the bullet and get it done in one hit. |
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02-25-2022, 04:55 AM | #8 | |
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I guess what I'd ideally like is just non-adaptive dampers as similar as possible to the adaptive dampers set to "comfort", but I'm not sure that's actually possible - and I guess hard to judge where these dampers compare exactly. |
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02-25-2022, 08:48 AM | #10 | |
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I suspect that the *springs* on the MSport sports and MSport sports adaptive suspensions are the same (I might be wrong?) So, I *think* what I'd like is passive dampers equivalent to the adaptive ones set in 'comfort' mode (rather than the "SE" spec springs & danpers that are standard in Europe and would be comfortable for sure but maybe a little higher riding and not so sharp). I had wondered if it was possible a third party supplier produced such a thing, hence crashing into your thread - but of course your thread is really about a specific product which maybe isn't quite what I need. Hope this all makes sense to someone and sorry for hijacking! |
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04-25-2022, 05:41 AM | #11 |
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AC Schnitzer sports suspension is now available for 3 and 4 series (G2X) with xDrive and adaptive, including the M340ix.
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01-13-2024, 01:05 PM | #12 | |
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Hey everyone. I see that a few people here have lowered their BMW with AC springs. Did you have the car coded for the height? I read that there are some problems that cause the rear to become very stiff. |
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01-15-2024, 03:48 AM | #13 | |
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I've not heard of the rear becoming stiff, but there is one brand that, let's say, is more concerned with appearance than comfort. Not ours, obvs. |
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P-ToK72342.00 |
01-18-2024, 01:27 AM | #14 |
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I have to agree with Lorcan.
I had ACS Springs fitted by Rossiters not long after buying the car in April 2022. I opted for ACS mainly due to the visual aspect, the stock G21 appeared too high but with the ACS springs it sits just right without looking too low (in my opinion of course). I have had no issues whatsoever with ride quality and the handling was improved. I am yet to see how BMW react as i have an issue to report with juddering breaks, will they try and blame it on the fact it's lowered?
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01-18-2024, 11:00 AM | #15 | |
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Warped discs maybe, that's the usual culprit? |
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P-ToK72342.00 |
01-18-2024, 11:18 AM | #16 | |
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I am swapping the wheels back to standard (probably without spacers too) before i take it in for it's 1st service next month. Maybe i'll be able to see something then myself although i don't claim to know much about cars other than how to spend a fortune on them
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Bianchi Dave338.50 |
01-18-2024, 12:06 PM | #17 | |
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https://g20.bimmerpost.com/forums/sh....php?t=2075425 |
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01-18-2024, 12:13 PM | #18 | |
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Currently driving G21 M340i Touring Previous F40 M135i and F31 335d Touring Last edited by P-ToK72; 01-18-2024 at 02:40 PM.. |
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01-19-2024, 01:48 AM | #19 |
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Drives: BMW G20 330e MSport Xdrive
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Are ACS lowering springs the only ones that don’t affect BMW warranty.?
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01-19-2024, 03:21 AM | #20 | |
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Lorcan would be your man to give the best answer.
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01-19-2024, 03:58 AM | #21 | |
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Having said that, they do have model-specific TUV certification and are sold and fitted by some BMW dealers, and AC Schnitzer are part of the Kohl Group, one of the largest BMW dealer groups in Germany, so they will do their best to help. If a warranty claim is refused due to the springs get the refusal IN WRITING and send it to us, if we supplied them, or AC Schnitzer UK (now The Performance Company). We have an excellent track record of defending such cases. |
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01-19-2024, 05:15 AM | #22 | |
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Thanks for your response.
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