Tarox Front Brake Discs / Rotors for BMW 1 Series Convertible/Cabriolet E88 123d - 330mm Vented OE-Size Direct Fit - Uprated Grooved Slotted Cross-Drilled - G88, F2000 or Sport Japan - Performance Fast Road & Track Day Front Brake Upgrade

BMW 1 Series Convertible E88 123d 330 mm Vented Front Braking Discs Upgrade

Sharpen pedal response and reduce fade on your BMW 1 Series cabriolet with a serious front braking upgrade. These 330 mm ventilated front rotors are engineered for fast-road pace and occasional circuit use, delivering confident stopping, cooler running and consistent bite mile after mile. Direct-fit to the front axle of the E88 123d with factory calipers and OE dimensions, so no modification or spacers required.

• Fitment: BMW 1 Series Convertible E88 123d front axle
• Diameter: 330 mm
• Construction: vented with internal vanes for heat management
• OE-size, bolt-on replacement for the original discs

Why this upgrade works

• Heat treated and stress relieved for durability under repeated heavy stops
• Hand-ground to a mirror-flat finish with ultra-tight tolerances around 0.015 mm for smooth, even pad contact
• Improved thermal control to combat brake fade on spirited drives and track sessions
• Stronger initial bite and better modulation for precise braking
• TÜV-approved castings with OE-spec fitment quality

We use these on our own builds and customer cars, and the feedback has been superb for road and track-day use. Expect cleaner pad surfaces, reduced judder and dependable performance when temperatures rise.

Choose your surface pattern

G88 multi‑slot for maximum cooling

The G88 pattern uses numerous precision radial slots that act like a turbine to move heat and gases away from the friction surface. This helps the rotor run cooler and reduces the risk of vibration. Built from TÜV-approved blanks, then heat treated and hand finished. Many references also carry ABE certification via the KBA.

F2000 curved slots for fast road and track

Fewer, deeper arcing slots continually refresh the pad face and shed heat while maintaining structural integrity for demanding circuits. Manufactured from OE-spec castings, heat treated and hand finished. Pair with performance compounds such as Tarox Corsa for track-focused setups.

Sport Japan cross‑drilled and slotted

Aggressive, motorsport-inspired look with performance to match. Fully drilled, countersunk holes efficiently vent gases, while six slots prevent glazing for a crisp pedal. Produced from TÜV-approved castings, heat treated and hand finished. Many applications are TÜV approved.

Real-world benefits

Whether you prefer slotted rotors, cross-drilled and slotted discs or multi-slot patterns, this 330 mm vented front setup gives you stronger deceleration, better heat control and repeatable performance. For best results, combine with quality pads designed to work with heat-treated discs.

Professional fitting

Need installation or advice on the right pattern for your driving style? Book fitting with MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a quote and guidance on pad pairing.

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