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Brembo Front Race Big Brake Kit - 355mm, 4-Piston Cast 2-Piece Caliper, M3 E46 Z4M E85 E86 - CarBahn
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34212282857R - Brake Caliper - Rebuilt - Rear Left - Z4M, E46 M3 Competition Package - (NO LONGER AVAILABLE) | Turner Motorsport
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Tuner Report: Perfecting a BMW M3 e46 Convertible (CSL, Carbon Ceramic Brakes and more) - TrackandTuner
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E46 330ci Brembo brake upgrade. E46 M3 CSL rotor and four piston Brembo conversion to non-M E46. - YouTube
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