ER DesignAdvanced track SKU N-17-ER
Direct fit · Mazda 3 & MPS BL
Outgrown single-adjustable coilovers on your Mazda 3 & MPS BL? The ER adds 30 clicks of independent compression and rebound plus remote reservoirs, so damping stays consistent lap after lap while you fine-tune balance.
Mount type / fitment
ER-ER
Your setup
Full specs$2,749.00
inc. GSTBackorderor 4 interest-free payments of $687.25 with Afterpay or Zip
The ER Series is where tuning your Mazda 3 & MPS BL gets serious. Thirty clicks of independent compression and rebound adjustment let you dial each in on its own, so you can fine-tune balance corner by corner. Remote reservoirs add oil capacity and shed heat faster, keeping damping consistent through repeated hard laps, with an optional check valve to sharpen response further. Built for drivers who've outgrown single-adjustable coilovers.
Free express shipping Australia-wide on complete coilover kits, dispatched next business day from Kirrawee, NSW. Change-of-mind returns are accepted within 30 days on unfitted, as-new kits in original packaging.
Every BC Racing coilover is covered by a genuine 12-month warranty and is fully rebuildable and serviceable for life. Spare parts are stocked locally, so there's no overseas wait to keep your kit performing.
Outgrown single-adjustable coilovers on your Mazda 3 & MPS BL? The ER adds 30 clicks of independent compression and rebound plus remote reservoirs, so damping stays consistent lap after lap while you fine-tune balance.
This kit is configured as ER-ER — external reservoirs at both ends, plumbed away from the damper body so fluid volume and cooling capacity go up and damping stays consistent under sustained load. Top mount type isn't fixed by the series here; it's specified per vehicle, so check the fitment for your car. It ships assembled and ready to bolt on out of the box — allow time at fitting to choose a mounting position for the reservoirs.
Every series below is a direct fit for your Mazda 3 & MPS BL — switch instantly, no re-search.
F: rubber top mount | R: rubber top mount or non top mount · Mazda 3 & MPS BL
F: rubber top mount | R: rubber top mount or non top mount · Mazda 3 & MPS BL
F: rubber top mount | R: rubber top mount · Mazda 3 & MPS BL
F: inverted damper (w/ camber plate if applicable) | R: rubber top mount or non top mount · Mazda 3 & MPS BL
Mazda 3 & MPS BL
Yes — this kit fits all Mazda 3 & MPS BL body styles.
If you have a non-standard chassis or factory suspension upgrade, contact us before ordering and we’ll confirm fitment.
Yes. All BC Racing coilovers use full-thread body construction for continuous height adjustment without affecting damper travel.
We recommend a wheel alignment after any significant ride-height change.
Damping is adjusted via the top-mounted dial — turn clockwise for firmer, counter-clockwise for softer. Always start with all four corners at the same setting and adjust in equal increments.
Your cart 0
Extend your warranty to 24 months + $100.00
Your kit includes 12 months cover — double it to 24 months of parts & rebuild protection. Most buyers add it.
Complete your setup
BC Racing Decal / Sticker Small 2 Pack
$5.95
Subtotal $0.00 $0.00
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