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Mazda 3 and Mazdaspeed3 Coilovers

On a 2007 to 2013 car, first find out if there is a turbo under the hood. Most brands sell their Mazdaspeed3 kits (for the turbo car) apart from their Mazda 3 coilovers. BC Racing's early kit fits both. In each section below, BC Racing comes first.

Not sure which you have? Read us the trim on the back of the car: 1-800-460-9106.

Red Mazdaspeed3 lowered on coilovers on an open desert road at golden hour

Animated illustration. It shows where coilovers sit on a car, not your exact kit. Depending on the car and the kit, coilovers can lean forward or back or stand straight up, and some cars use a separate spring and shock in the rear. Your ride height depends on the kit and how it is set up.

Three questions to narrow it down

Answer these and you will quickly see which kits fit.

Is it a Mazdaspeed3?

Kits are listed for the turbo car for 2007 to 2009 and 2010 to 2013. KW, Feal and Bilstein have separate turbo kits for both.

Which years?

Kits follow Mazda's generation codes: BK, BL, BM and BP. Check the years in the kit name against your car.

Hybrid or AWD?

BC sells a 2014 to 2018 Hybrid kit. Its BP kit is listed for both FWD and AWD. Call us to confirm either one.

BC Racing across four Mazda 3 generations

Five BC series, 2004 to 2022

BC Racing makes five series for the Mazda 3: BR, DS, ER, RM and ZX. You can get all five for every generation, Mazdaspeed3 included. The 2014 to 2018 Hybrid kit comes in BR, DS and RM. Free shipping on BC Racing kits in the continental US.

See all BC Racing coilovers Go to the 2010 to 2013 Mazdaspeed3

How the five BC series differ

The right series of BC Racing coilovers for your Mazda 3 depends on the roads you drive.

BR and DS

One 30-click knob sets compression and rebound together. DS adds a digressive piston for firmer control. Both suit a daily hatch or sedan.

RM is BC's upside-down single-tube shock, made for MacPherson strut cars. One 30-click knob sets compression and rebound together. Mazda says the Mazdaspeed3 has MacPherson struts up front.

ER and ZX

ER adds an external oil reservoir and an upright shock, with compression and rebound set separately over 30 clicks. ZX is BC's "most track-tested" system.

BC's standard BM kit is named "Swift Front Only." For Swift Springs on any other BC kit, use our Custom Build for BC Coilovers option.

KW, TEIN and four other brands

Here is how each brand covers the Mazda 3 and Mazdaspeed3. Not sure? Call 1-800-460-9106.

KW has four kits: one each for the BK and BL Mazda 3, and one for each turbo generation, which KW calls MPS and Mazdaspeed.

TEIN

TEIN makes Street Advance Z for the BK car, the first Mazdaspeed3 and the BM, and Flex Z for the BM and BP.

Fortune Auto

Fortune Auto kits are hand-assembled in Powhatan, Virginia. The BL and BM kits have a separate rear spring and shock. The BL kit includes front endlinks (sway bar links).

Feal

Feal makes kits for both generations of the Mazdaspeed3.

Bilstein

Bilstein has six kits in all. Four are B12 Pro-Kits, for the regular and turbo cars. Two are B14 PSS kits, one for BK and BL cars, one for the BM.

Ksport

Ksport has separate turbo and non-turbo kits for the BK years, and kits for the BL, BM and BP.

Kits for commuting, the Mazdaspeed or autocross

Commuter

For a daily Mazda 3, go with a mild drop and soft damping. That keeps the ride comfortable on rough roads.

Kits to look at: BC Racing DS, Bilstein B12, Ksport, TEIN Street Advance Z

Mazdaspeed3

The turbo car sends 263 horsepower through the front wheels. Choose a Mazdaspeed3 coilover kit listed for the turbo car, and plan on an alignment.

Kits to look at: BC Racing (2004 to 2013 kit), KW, Feal, Bilstein, TEIN (2007 to 2009)

Autocross

Autocross rewards a car that reacts quickly. BC's ER adjusts compression and rebound separately, and ZX is its most track-tested series.

Kits to look at: BC Racing ER, RM or ZX, KW, Fortune Auto, TEIN Flex Z

Every Mazda 3 and Mazdaspeed3 coilover kit

They are listed newest first, with the turbo cars on their own. Open a card for the details.

Notes in BC kit names: "Swift Front Only" means the optional Swift spring upgrade is offered for the front springs only on that kit.

The BP Mazda 3, 2019 to 2022

Codes: BP

Check first: BC Racing's kit is listed for the sedan and hatchback, FWD and AWD. TEIN's kit is listed for the hatchback, and Ksport's kit ends at 2021.

The BM Mazda 3, 2014 to 2018, Hybrid included

Codes: BM; TEIN lists BMEFS

BC Racing coilover kit for the 2014 to 2018 Mazda 3 — **BC Racing kit**The BC Racing coilover kit listed for the 2014 to 2018 Mazda 3. Photo: BC Racing.

Check first: BC has a separate kit named Mazda 3 Hybrid, so call us to confirm the right one for your car. Its standard kit is named "Swift Front Only." Bilstein's kit name says BL for these years, so call us before ordering it.

The BL Mazdaspeed3 (turbo), 2010 to 2013

Codes: BL; KW lists MPS-Mazdaspeed

BC Racing coilover kit for the 2004 to 2013 Mazda 3 — **BC Racing kit**The BC Racing coilover kit listed for the 2004 to 2013 Mazda 3. Photo: BC Racing.

Check first: BC Racing's 2004 to 2013 kit is listed to fit the Mazdaspeed3. KW and Feal have separate Mazdaspeed3 kits, and Bilstein calls its kit "Turbo."

The BL Mazda 3 without the turbo, 2010 to 2013

Codes: BL

Check first: KW's BL kit does not fit the Mazdaspeed3 and starts at 2009. Fortune Auto's kit includes front endlinks and has a separate rear spring and shock.

The first Mazdaspeed3, BK, 2007 to 2009

Codes: BK; TEIN lists BK3P

Check first: Ksport names its kit "2.3 Mazdaspeed" and lists it from 2004. KW calls the car MPS and Mazdaspeed.

The BK Mazda 3 without the turbo, 2004 to 2009

Codes: BK; TEIN lists BK3P

Check first: Bilstein's B12 kit is for cars without self-leveling and does not fit 4WD. Ksport lists this car as "Non-2.3 Mazdaspeed."

Mazda 3 and Mazdaspeed3 at a glance

Car	Years	What sets the kits apart	BC Racing series
4th gen	2019 to 2022	No difference; the BC kit fits FWD and AWD	BR, DS, ER, RM, ZX
3rd gen	2014 to 2018	BC has a separate Hybrid kit	BR, DS, ER, RM, ZX
Mazdaspeed3, 2nd	2010 to 2013	Separate kits from KW, Feal and Bilstein	BR, DS, ER, RM, ZX
Mazda 3, 2nd	2010 to 2013	KW's kit does not fit the Mazdaspeed3	BR, DS, ER, RM, ZX
Mazdaspeed3, 1st	2007 to 2009	Most brands sell a separate kit	BR, DS, ER, RM, ZX
Mazda 3, 1st	2004 to 2009	Ksport's kit does not fit the Mazdaspeed3	BR, DS, ER, RM, ZX

Before you buy: what Mazda 3 owners run into

What Mazda 3 owners report most often, from owner forums, recalls and service bulletins, and what each point means for your coilovers.

Front knock that survives a strut swap

BK and BL, 2004 to 2013

One BK and BL owner still had a front knock after three sets of new struts, and a strut maker answered him in a bulletin. The usual causes are a worn strut mount or bearing, a stabilizer link, a tie rod end, a split bump stop or dust boot, or a loose knuckle clamp. Mazda TSB 0200205 covers 2004 front shock noise. A new strut does not replace every part that can knock, so the noise can come back.

Before you install: Inspect the end links, tie rod ends and knuckle clamp during the install, torque everything to Mazda spec, and recheck the top nuts after a test drive.

Broken rear coil springs on the BM car

BM and BN, 2014 to 2016, and 2017 to 2018 cars built before December 1, 2017 (Japan built)

Mazda TSB 02-015/18 covers a rear spring knock or low rear on Japan built Mazda 3s from 2014 to 2016, and 2017 to 2018 cars built before December 1, 2017. Dust and corrosion at the spring seat break the spring's lower end. One Mazdas247 CX-5 owner reports the same. A rear knock or a sagging corner on these cars may be a cracked factory spring, and the spring seat it sat in can be corroded.

Before you install: When the factory rear springs come out, look for a broken coil and clean and inspect the lower spring seat before fitting the coilover rear.

The Mazda 3 story

History of the first car and the turbo

Mazda says the first Mazda 3 exceeded the expectations of nearly 2 million owners around the world. In 2006, it announced the Mazdaspeed3 for the 2007 model year.

2007

Mazdaspeed3It got a turbocharged 2.3-liter direct-injection (DISI) engine with 263 hp, a six-speed manual and a limited-slip differential, plus stiffer springs and larger stabilizer bars than the standard car.
2010

Second generationMazda brought out a new Mazda 3 in 4-door and 5-door forms, and an all-new Mazdaspeed3, again with 263 hp.
2014 on

BM and BPKits are listed for the BM from 2014 and the BP from 2019. No Mazdaspeed3 kits are listed for these years.

Mazda says both Mazdaspeed3 generations use MacPherson struts up front and a multi-link rear. Find your car above to see its kits.

Mazda 3 and Mazdaspeed3 coilover questions

Will a Mazdaspeed3 kit go on a regular Mazda 3?

Go by the kit name. Most brands sell the Mazdaspeed3 kit separately. BC Racing's 2004 to 2013 kit and Ksport's 2010 to 2013 kit are listed for both. If a kit names only one car, call us before you order.

Which BC Racing series fit the Mazda 3?

BC sells all five series, BR, DS, ER, RM and ZX, for every generation it covers. The 2014 to 2018 Hybrid kit comes in BR, DS and RM.

Is there a kit for an AWD Mazda 3?

Yes, from 2019: BC Racing lists its BP kit for FWD and AWD. For earlier years, BC lists its kits as FWD, and one Bilstein kit says it does not fit 4WD.

What is the BC Mazda 3 Hybrid kit?

BC lists a 2014 to 2018 kit named Mazda 3 Hybrid. Call us before ordering and we will confirm whether it suits your car.

Should a Mazdaspeed3 run stiffer coilovers?

Mazda gave the Mazdaspeed3 stiffer springs and larger stabilizer bars than the standard car. Pick a kit listed for it, start mild and adjust.

Which TEIN kits fit the Mazda 3?

TEIN lists Street Advance Z for BK cars, turbo or not. The BM gets Flex Z and Street Advance Z, and the BP gets Flex Z.

What warranty does BC Racing give?

BC Racing North America currently lists a two-year limited warranty on full kit orders, subject to its warranty terms. Each of the other brands sets its own warranty terms.

Next reads for Mazda owners

Coilover Kits by CarAll car pages in one list. AWD, RWD or FWD: Why Drivetrain Changes the Coilover Kit You OrderWhy the drivetrain changes which kit fits your Mazda 3. Comfort and Stance on a Daily Driver: Setting Up Coilovers for BothA comfortable drop on a Mazda 3 you drive every day. How to Set Ride Height on CoiloversMeasure and set the drop on your Mazda 3. After You Lower It: Alignment Timing, Driver-Assist Calibration and Headlight AimAlignment, driver-assist and headlight checks once the Mazda 3 is lower. Adjustable or not?How much adjustment a hatch needs. BC Racing for MazdaMazda fitments from BC. Mazda coiloversAll Mazda kits, all brands. Mazda Miata coiloversMazda's roadster, NA to ND. Ford Focus coiloversAnother hot hatch, ST and RS included. BC Racing series explainedBR, DS, ER, RM and ZX compared. How to install coiloversThe install, step by step.

Mazda 3 or Mazdaspeed3?

We will help you figure it out. Monday to Friday, 9 AM to 5 PM Eastern.

Call 1-800-460-9106