Consistent stopping power under heat, built for performance BMW applications.
The DBA42676S is a Stage 4 DBA 4000 Series T3 slotted front brake disc, designed for drivers who want repeatable braking performance with improved heat control over standard rotors. Built from DBA’s XG150 high carbon alloy iron and featuring the Kangaroo Paw ventilation system, this rotor is engineered to handle sustained temperature loads while maintaining pedal feel and braking consistency.

Key Technologies and Benefits
T3 Slot Technology (48 CNC-Machined Slots)
- Tri-symmetrical slot design helps reduce vibration harmonics for a quieter, smoother pedal feel
- Increased out-gassing exit points improves pad contact consistency
- Universal slot pattern removes the need for left and right-specific rotors
Kangaroo Paw Ventilation (144 Pillars)
- Increased internal surface area improves heat dissipation
- Reduces brake fade and improves braking effectiveness under repeated use
- Helps prolong pad and disc life by managing operating temperatures
XG150 High Carbon Alloyed Iron
- Increased thermal capacity for repeated high-temperature braking
- Helps minimise warping, cracking and heat-related distortion
- Extends service life under demanding conditions
Thermal Stability Profiling (TSP)
- Disc is processed to reduce internal stress
- Improves stability under repeated heat cycles
Thermographic Temperature Monitoring (TTM)
- Heat paint markings change colour at specific temperature thresholds
- Allows monitoring of peak rotor temperatures and rotor fatigue over time
- Supports warranty assessment where applicable
Protective Paint Coating
- Coated non-friction surfaces help reduce corrosion and improve appearance
- Prevents unsightly rust build-up on hats and edges
Technical Specifications
- Diameter: 340 mm
- Disc type: Ventilated (Kangaroo Paw)
- Number of holes: 5
- Inner diameter: 79 mm
- Thickness (new): 30 mm
- Minimum thickness: 28.4 mm
- Overall height: 73.2 mm
- PCD: 120 mm
- Stage: Stage 4 (DBA 4000 Series)
- ECE R90 approval: E1190R02/0660512*00
- Weight: 12.76 kg
Fitment (Front)
Fits BMW models running Brembo front calipers with 340 mm front discs:
BMW 1 Series
- M135i (F20) 2012–2017 — Front — Brembo — Pads: DB2299 — Disc: 340 mm
- M140i (F20) 2016–2019 — Front — Brembo — Pads: DB2299 — Disc: 340 mm
- M135i (F21) 2012–2017 — Front — Brembo — Pads: DB2299 — Disc: 340 mm
- M140i (F21) 2016–2019 — Front — Brembo — Pads: DB2299 — Disc: 340 mm
- M135i (xDrive F20) 2012–2017 — Front — Brembo — Pads: DB2299 — Disc: 340 mm
- M140i (xDrive F20) 2016–2019 — Front — Brembo — Pads: DB2299 — Disc: 340 mm
- M135i (xDrive F21) 2012–2017 — Front — Brembo — Pads: DB2299 — Disc: 340 mm
- M140i (xDrive F21) 2016–2019 — Front — Brembo — Pads: DB2299 — Disc: 340 mm
BMW 2 Series
- 228i (F22 Coupe) 2014–2016 — Front — Brembo — Pads: DB2299 — Disc: 340 mm
- 230i (F22 Coupe) 2016– — Front — Brembo — Pads: DB2299 — Disc: 340 mm
- M235i (F22 Coupe) 2013–2016 — Front — Brembo — Pads: DB2299 — Disc: 340 mm
- M240i (F22 Coupe) 2016– — Front — Brembo — Pads: DB2299 — Disc: 340 mm
- 230i (F23 Convertible) 2016– — Front — Brembo — Pads: DB2299 — Disc: 340 mm
- M235i (F23 Convertible) 2014–2016 — Front — Brembo — Pads: DB2299 — Disc: 340 mm
- M240i (F23 Convertible) 2016– — Front — Brembo — Pads: DB2299 — Disc: 340 mm
BMW 3 Series
- 320 (F30) 2012–2019 — Front — Brembo — Pads: DB2299 — Disc: 340 mm (Diesel and Petrol variants listed)
- 325 (F30) 2013–2019 — Front — Brembo — Pads: DB2299 — Disc: 340 mm
- 328 (F30) 2012–2016 — Front — Brembo — Pads: DB2299 — Disc: 340 mm
- 330 (F30) 2012–2019 — Front — Brembo — Pads: DB2299 — Disc: 340 mm (Diesel + 252 bhp petrol listed)
- 335 (F30) 2012–2016 — Front — Brembo — Pads: DB2299 — Disc: 340 mm
- 335d (F30) 2013–2019 — Front — Brembo — Pads: DB2299 — Disc: 340 mm
- 340i (F30) 2015–2019 — Front — Brembo — Pads: DB2299 — Disc: 340 mm
- ActiveHybrid 3 (F30) 2012–2015 — Front — Brembo — Pads: DB2299 — Disc: 340 mm
- 320 (F31) 2012–2019 — Front — Brembo — Pads: DB2299 — Disc: 340 mm (Diesel and Petrol variants listed)
- 325 (F31) 2013–2019 — Front — Brembo — Pads: DB2299 — Disc: 340 mm
- 328 (F31) 2012–2016 — Front — Brembo — Pads: DB2299 — Disc: 340 mm
- 330 (F31) 2012–2019 — Front — Brembo — Pads: DB2299 — Disc: 340 mm (Diesel + 252 bhp petrol listed)
- 335 (F31) 2012–2016 — Front — Brembo — Pads: DB2299 — Disc: 340 mm
- 335d (F31) 2013–2019 — Front — Brembo — Pads: DB2299 — Disc: 340 mm
- 340i (F31) 2015–2019 — Front — Brembo — Pads: DB2299 — Disc: 340 mm
- 320 (F34 GT) 2013–2019 — Front — Brembo — Pads: DB2299 — Disc: 340 mm (Diesel and Petrol variants listed)
- 325 (F34 GT) 2013–2019 — Front — Brembo — Pads: DB2299 — Disc: 340 mm
- 328 (F34 GT) 2013–2019 — Front — Brembo — Pads: DB2299 — Disc: 340 mm
- 330 (F34 GT) 2014–2019 — Front — Brembo — Pads: DB2299 — Disc: 340 mm
- 335 (F34 GT) 2013–2016 — Front — Brembo — Pads: DB2299 — Disc: 340 mm
- 340i (F34 GT) 2015–2019 — Front — Brembo — Pads: DB2299 — Disc: 340 mm
BMW 4 Series
- 420 (F32 Coupe) 2013–2020 — Front — Brembo — Pads: DB2299 — Disc: 340 mm (Diesel + petrol variants listed)
- 425 (F32 Coupe) 2014–2020 — Front — Brembo — Pads: DB2299 — Disc: 340 mm
- 428 (F32 Coupe) 2013–2017 — Front — Brembo — Pads: DB2299 — Disc: 340 mm
- 430 (F32 Coupe) 2013–2020 — Front — Brembo — Pads: DB2299 — Disc: 340 mm (Diesel + 252 bhp petrol listed)
- 435 (F32 Coupe) 2013–2020 — Front — Brembo — Pads: DB2299 — Disc: 340 mm (Petrol + diesel variants listed)
- 440 (F32 Coupe) 2016–2020 — Front — Brembo — Pads: DB2299 — Disc: 340 mm
- 420/425/428/430/435/440 (F33 Convertible) 2013–2020 — Front — Brembo — Pads: DB2299 — Disc: 340 mm (as listed)
- 420/428/430/435/440 (F36 Gran Coupe) 2013–2020 — Front — Brembo — Pads: DB2299 — Disc: 340 mm (as listed)
Important Notes
- Brake discs should be replaced in axle pairs (left and right together).
- Price is for ONE DISC
- For best results, fit with new pads (or replace pads if worn) and follow a proper bedding-in procedure.
- Always clean new rotors before fitting to remove protective residues.
- If you’re unsure about fitment, send your registration and we can confirm before you order.




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