iSWEEP iSweep Power Brace Complete Whole Kit - F55, F56, F57 ISCCWK-F56

iSweep Power Brace Complete Whole Kit - F55, F56, F57

Don't let chassis flex compromise your MINI�s handling. From the factory, the F55, F56, and F57 platforms suffer from structural deflection under heavy cornering loads. To extract true track-ready performance and razor-sharp steering response, your chassis needs to be tied together.
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T#: 54388392 | Part#: ISCCWK-F56
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iSWEEP iSweep Power Brace Complete Whole Kit - F55, F56, F57 ISCCWK-F56
iSweep Power Brace Complete Whole Kit - F55, F56, F57
$807.99

These heavy-duty bracing upgrades eliminate unwanted twist, maximize suspension efficiency, and keep your alignment geometry locked in when pushing the limit.

Front Lower Subframe Brace

We engineered this front lower subframe brace to be as wide as possible, effectively locking down the entire front end against lateral, vertical, and torsional forces. By distributing cornering loads evenly across the front crossmember and chassis, it significantly improves high-speed stability and turn-in precision.

By suppressing unwanted subframe movement, your suspension is allowed to travel naturally, keeping your wheel alignment true under load.

  • Rigid Construction: Optimizes load distribution across the front chassis.

  • 100% Bolt-On: Zero modification required.

  • Precision R&D: Securely anchors to six strategic factory mounting points.

Floor Tunnel Center Brace

The factory center tunnel brace leaves a lot to be desired. This upgraded Center Floor Power Brace is a direct replacement designed to significantly increase mid-chassis rigidity without adding unnecessary weight. Constructed from high-strength steel and formed into a rigid box structure, it effectively suppresses unpleasant body twist and cabin floor deflection.

  • High-Tensile Steel: Box-formed structure maximizes rigidity-to-weight ratio.

  • Reduced Body Flex: Eliminates mid-chassis deflection for a more connected driving feel.

  • Direct OEM Replacement: Swaps directly with the flimsy factory piece.

Rear Lower Subframe Brace

Keep the rear end tracking exactly where you point it. This Rear Lower Subframe Brace is a rugged, lightweight upgrade formed from high-tensile steel into a high-strength box structure. Engineered to handle loads far beyond the capacity of the stock unit, it securely anchors the rear lower control arms during spirited driving and hard cornering.

  • Neutral Handling: Eliminates rear-end deflection to maintain predictable vehicle behavior.

  • Heavy-Duty Design: Box-structure steel takes the stress out of your control arm mounts.

  • Easy Installation: Simple, straightforward bolt-on upgrade.


Prop 65 WarningProp 65 Warning

Cross Reference
  • ISCFMB-F56
  • ISCCFB-F56
  • ISCRMB-F56
  • IS.ISCCWK.F56

Product Q&A

Lifetime Replacement

This product is not eligible for Lifetime Replacement
MAKE MODEL SUBMODEL ENGINE YEAR CHASIS Special Fitment Notes
MINI All All All All F55 Use vehicle selector to confirm fitment
MINI All All All All F56 Use vehicle selector to confirm fitment
MINI All All All All F57 Use vehicle selector to confirm fitment
*The above product applications have been written by Turner Motorsport. All warranties, product application, fitment, and performance are the responsibility of Turner Motorsport. For additional information see the terms of use.