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Hey, guys. Stephanie with americanmuscle.com, here with a review and install of these BMR Lowering Springs for 2005 to 2014 GT Mustangs. We're gonna be talking about a few different things with these springs, but mostly we'll talk about what you can expect from these springs in both the performance and looks categories, and we're also gonna talk about the install as well. I'll talk more about the install later, but you're looking at a two out of three wrenches on the difficulty meter. The BMR Performance Lowering Springs are gonna be a good option for the GT owners out there who are looking for a spring that'll perform for both the daily driver and the drag car. These are a crossover spring that are made to function in both worlds. So they're soft enough for the track, but they give enough support to keep the body of the car flat and level through corners. Lowering springs have a big impact on both the looks and handling of the S197 chassis and these springs are a linear spring that are gonna offer a pretty big drop to these cars. These springs will drop the GT about one and a half inches all the way around the car, and like I said, it doesn't get much lower than this for the S197 from a lowering spring. And it may not sound like it, but this is a pretty big drop. Depending on your wheel and tire setup, this drop is gonna eliminate a lot of the wheel gap that the car has from the factory that's gonna leave the car sitting nice and even a little bit above the tires. But of course, that can change, depending on what size wheels you're running. So a one-inch drop or just under a one-inch drop is pretty standard across the board for this year range. This car sits pretty high from the factory, so the one and a half inch drop is pretty aggressive. I mean aggressive in both looks and performance changes. This drop will lower the car's center of gravity enough to create more track-like handling capabilities. These springs are really gonna reduce squat during acceleration and reduce wheel hop as well. You're also looking at much less body roll during cornering and less nose dive during braking. Now, these springs do offer a good amount of drop, but it doesn't mean that they're not gonna work for a daily-driven car. They'll work just fine. It really all comes down to your personal preference and what you want out of these springs. These springs were specifically designed to be that crossover spring between both drag racing and daily driving, so you don't have to worry too much about a rough ride quality.Now, with that being said, I wanna mention that these are linear springs. These are not progressive rate springs that we tend to see that are gonna change as you drive. Linear springs have a constant rate of force per inch, so they have one defined spring rate and that's it. And these springs have a 220-pound spring rate, so basically as the load on the springs increase, the spring compresses an amount directly proportional to that load. And this makes a linear spring more performance-oriented than a progressive rate spring. Progressive rate springs, or variable rate springs, have a low initial spring rate that'll increase as the spring is compressed, which makes for a softer and smoother ride quality. But keeping the drop that these particular springs offer in mind, they're still gonna work with both the factory wheels and tires and the pre-configured wheel and tire kits that are on the site. These springs aren't gonna make the car difficult to drive places, but you will need to be a little bit more careful. They are gonna be stiffer than the factory springs as well, so you will notice some more road noise. But I wouldn't say that these give a bad ride quality at all. It's just not as soft as factory. I do wanna say that a lot of times, when you're shopping for lowering springs, you're also shopping for things like adjustable caster camber plates and a new set of both shocks and struts. In this case, I wouldn't say that caster camber plates are necessarily required, but I will say that a one and a half inch drop is about the limit of where you'd need a set of adjustable CC plates in order to get the alignment within spec. It's gonna be close, so a set of CC plates wouldn't be a bad idea at all. At the end of the day, it never hurts to have caster camber plates, so if you've got the extra cash, I'd say go ahead. But in all reality, you will be able to get away without picking up a set.As far as shocks and struts go, this goes back to both the drop and the fact that these are linear springs. I will say that, in this case, if you have some components with relatively low mileage, you're probably gonna be okay. If your shocks and struts have a ton of miles on them, then I would replace them, but in this case, since we're talking about relatively new cars here, you can probably get away with it as long as you don't have a ton of miles.When it comes to price, it all depends on how you buy these springs. BMR offers a full set for just about $200, or you can purchase just the front or just the rear springs for $100 each. So you do have some options here. Now, as far as the price for the set of springs goes, these springs are gonna be one of the middle-of-the-road options. They're not the most expensive, but they're not the least expensive, either. If you're just looking to get your car lower and you aren't concerned with ride quality, there are some other options on the site that'll cost a little less and will get you where you need to be.So the install here is gonna take about four hours, and I'm gonna call it a two out of three wrenches on the scale. You'll need some knowledge to complete the install, so I'd recommend having a knowledgeable helping hand or taking to this to a shop for the install, especially since it's always a good idea to get an alignment after the install anyway. The install can be done on jack stands if you don't have access to a lift, but as usual, a lift would be your best bet. You're gonna need a few tools, including a spring compressor, so make sure you have that before you start the install. You're gonna need to get down to the spring and strut assembly, so everything like the wheels, brakes, and ABS lines will need to be moved out of the way so you can pull the assemblies out of the car. The spring compressor will help you remove the spring from the strut and install the new front springs, which are compressed and installed the same way. The strut assemblies go back the same way they came out, and the install's the same for both sides. The rear is nearly the same. You need to disassemble some items to get to the springs, but ultimately, you'll be able to lower the rear axle to the point there the springs will be free. Just like the front, the rear springs install the same way they were uninstalled. Rubber insulators are transferred over, and new bump stops can be installed. And after the new springs are in, you can begin reinstalling the shocks and everything else you want installed, and that's about all it's gonna take. And like I mentioned earlier, a fresh alignment after the install isn't a bad idea.Wrapping things up here, the BMR Performance Lowering Springs are a linear spring with an aggressive drop and improvements in handling to make for a car that feels track-ready. They'll drop the car one and a half inches all the way around and will leave the car sitting just above the wheels and tires. These springs are not difficult to install, they're in the middle of the pack as far as pricing goes, and you can check them out more online right here at americanmuscle.com.
Manufactured from Chrome Silicon High-tensile Spring Wire
Red Powdercoated Finish
Drop: 1.5 inches
Designed and Manufactured in the USA
Fits 2005-2014 GT Mustangs
Description
Performance Ready. BMR created their performance springs for a variety of scenarios for Mustang owners. If you are the owner that wants a spring that will crossover between daily driving and track passes, the BMR Redcoated Lowering Performance Springs are for you. These springs not only give you a smooth ride and great handling on the street, they also are soft enough for track passes boasting a 165 lb. spring rate for the front and 160 lb. for the rear. Another pro of these springs is they lower your ride 1.5 inches, giving it an aggressive stance but also lowering the center of gravity which adds additional help to your handling in tight turns and road curves.
Sleek Muscle Car Stance. It's a little difficult to imagine making your ride look meaner than it already does. With BMR's lowering springs you can do just that and feature a 1.5 inch drop to your ride. Good news too, these springs won't sag over time. Normal, stock springs have a tendency to wear out, sag and get rusty. Fortunately, BMR offers a solution to that. All BMR springs are made from chrome silicon high tensile wire. They are then wound on a CNC coiling machine, then compressed twice to give the springs a permanent set. BMR does this to ensure that over time your Mustang will still have that aggressive, lowered look no matter how much you drive and show it off.
Superior Construction. BMR makes sure to give the customer the best product as it can. As mentioned above, BMR compresses their springs twice and with this permanent set, helps to fight sag for the future. The springs are also stress relieved at 750 degrees F to make sure that most of the stresses that are prone to happen during the winding phase are gotten rid of. As an important step, BMR computer tests every spring made to ensure against spring sagging thus allowing you to keep that sleek, lowered look of your Mustang. BMR is also able to boast that all their lowering springs are made right here in the USA!.
Application. These BMR Perfomance Lowering Springs are specifically designed for use on 2005 to 2014 GT models. Please make sure to select Front Only, Rear Only or Front & Rear Kit from the options above.
I put these springs and the Koni Struts together and overall the handling has greatly improved. I am more confident in going around corners and overall just going fast in a straight line in these but the ride quality is terrible. It is very drastic drop in ride quality your car hitting small bumps causes very much discomfort and you will have to make sure you don't scrape the bottom of your car with these. If you want to daily drive your mustang do not get these springs because the ride quality is very bad.
I got these last summer and installed them myself. the immediate thing i noticed is there was about an inch left to go in the rear before it was even with the front. i was hoping it would settle, ive put around 5000 miles on it and it’s still bad. the front looks great, lower even than i would have expected but i like it low. the back like i said, there is still a wheel gap. it wouldn’t look as bad if the front wasn’t completely tucked in but the fact that they lower the front so much makes it completely glaring that there’s a gap left. i got under there, took em out and made sure the isolators weren’t pinched under them. made sure that they were indexed right (pigtails to the back). i haven’t decided yet if i am going with different springs to replace these or just going for coil overs. in the meantime i’ve been taking these off and cutting a little at a time to see if i can get them where i want them. so far i’ve taken 1 and a half coils off each rear spring and there is still more gap to take out.
i am not sure if i received the wrong ones, or if there is a big variance between each spring or what. but these to me are not acceptable.
Paired these with koni orange. Resulted a seriously big improvement in handling and looks. If you are on the fence, just do it. When you try to move the stock sleeves over on the front struts, they will probably fall apart. I Tried ordering sleeves (part#6R3Z5L302A)from a ford dealership 2x and both times they were dry rotted and broken. Dont mess with them, I ended up installing without them and I have had no noise or ride issues.
My BMR springs gave the performance the car needed. The car corners with control. Also the appearance with its new stance made my Mustang look great, a different car! Awesome choice
Can someone give me a yes or no answer on whether or not I will need a camber plates or panhard bar when I am installing these on my 2013 California Special convertible? I don't understand why someone can't give a straight yes-or-no answer why is it a maybe?
You may need the caster camber plates when installing the BMR Lowering Springs. It all depends on how out of alignment the suspension is after the install. After installing, we highly suggest getting an alignment. If the shop cannot get the suspension back to factory alignment, then you will need to get caster camber plates or camber bolts.
I have a tough question. I know that you have to do an alignment once you change to lower springs my question is how can you take it to factory specs on a 13 mustang when my 13 mustang did not come stock with 20 inch wheels which I will also be installing. Also what is the reccomend toe, camber and caster specs that the needs to be at for a 1.5 dropped car with 20x8.5 wheels up front and 20x10 in the rear?
Do I need the new upper strut mounts and new dampers for the BMR, like the SR requires for my 2012 gt?
These do not require new upper strut mounts or struts, the stock ones can be used.
Do I need any other kits or anything when installing on a 2011 gt? I read on the sr springs required other parts to install them. Do you think a pan head bar will be necessary?
We generally recommend a panhard bar when lowering the vehicle. This will help keep the rear axle aligned.
Tire fitment will depend on wheel offset/backspace and wheel width, however with typical aftermarket Mustang wheels, you should not experience rubbing.
The BMR Lowering Springs will increase handling and reduce body roll due to their stiffer spring rate. Because of this you will find that ride quality will slightly suffer.
The BMR Lowering Springs will work on a track pack car, however as the track pack car is already lowered, the total drop with these springs will be less. Track pack cars will see approximately 0.75" of lowering with these springs.
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