When chasing tenths on the circuit, you cannot afford a shifting geometry. Upgrading to the Powerflex Black Series 26mm rear bushings provides drivers with a highly communicative rear axle, predictable mid-corner balance, and significantly improved traction during corner exit stabilization.
In high-performance motorsport and competitive track environments, consistency is everything. Every fraction of a second depends on how predictably the chassis responds to driver inputs and weight transfer. For the BMW G8X platform (M2/M3/M4), the factory rubber anti-roll bar bushings represent a critical weak point in the rear suspension geometry. Under high lateral G-loads, OEM rubber deflects, delaying stabilizer bar activation and introducing unwanted compliance into the rear axle.
The Powerflex Black Series Rear Anti-Roll Bar Bushing (26mm) is engineered specifically to eliminate this compliance. Utilizing a specialized 95 Shore A durometer polyurethane compound, these bushings deliver maximum torsional efficiency from the anti-roll bar, ensuring immediate chassis rotation and precise tire contact patch management.
Performance Benefits:
Instantaneous Anti-Roll Bar Rate Activation: By eliminating the "slop" of factory rubber, the anti-roll bar engages the moment the chassis initiates a turn, drastically reducing body roll and improving transition speeds.
Motorsport-Grade Material: The Black Series 95 Shore A compound is engineered to withstand extreme thermal loads and mechanical stress, maintaining its structural integrity far beyond the limits of standard rubber or softer polyurethane alternatives.
Advanced Lubricant Retention: Features computer-modeled internal knurling and cross-hatching designed to retain high-pressure grease. This prevents binding, maintains smooth rotational articulation, and eliminates squeaks under heavy track abuse.
Chassis Longevity: Unlike solid spherical bearings, the Black Series absorbs high-frequency vibrations that can fatigue aluminum subframes, offering a zero-deflection solution without the risk of structural component failure.
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Product Q&A
Lifetime Replacement
This product is not eligible for Lifetime Replacement
Fits These Cars
MAKE
MODEL
SUBMODEL
ENGINE
Special Fitment Notes
BMW
G80
M3
S58 3.0L
Use vehicle selector to confirm fitment
BMW
G80
M3 Competition
S58 3.0L
Use vehicle selector to confirm fitment
BMW
G80
M3 Competition xDrive
S58 3.0L
Use vehicle selector to confirm fitment
BMW
G82
M4
S58 3.0L
Use vehicle selector to confirm fitment
BMW
G82
M4 Competition
S58 3.0L
Use vehicle selector to confirm fitment
BMW
G82
M4 Competition xDrive
S58 3.0L
Use vehicle selector to confirm fitment
BMW
G83
M4 Competition xDrive
S58 3.0L
Use vehicle selector to confirm fitment
BMW
G87
M2
S58 3.0L
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.
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