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Technical Data - BOXSTER S

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2004 Porsche Boxster, 2003 Porsche Boxster, 2002 Porsche Boxster, 2001 Porsche Boxster, and 2000 Porsche Boxster. However, it is still accessible from the selected car via links, so may be relevant.
TECHNICAL DATA AND SPECIFICATIONS - BOXSTER S

Designation   Notes, dimensions Wear limit
Operating brake (foot brake)   Hydraulic dual-circuit brake system with front-axle/rear-axle brake circuit division. Vacuum brake booster, internally ventilated and perforated cast iron brake discs with four-piston monobloc fixed calipers at front and rear axles. (1) , (2)  
The brake calipers are painted red for visual differentiation.(1) , (2)
ABS standard (as of 2002 model with ABS 5.7). (1) , (2)
As an option:(1) , (2)
- up to model 2000 with ABS/TC(1) , (2)
Brake booster (vacuum)   10 inch  
Boost ratio   3,85  
Brake master cylinder front 23.81 mm  
Brake master cylinder rear 23.81 mm  
Brake master cylinder Stroke 18/18 mm  
Brake proportioning control   1 proportioning valve 5/25 or EBV (3)  
Brake discs front 318 mm  
Brake discs rear 299 mm  
Effective brake discs front 261.8 mm  
Effective brake discs rear 247.4 mm  
Piston in brake caliper front 2 x 40 + 2 x 36 mm  
Piston in brake caliper rear 2 x 30 + 2 x 28 mm  
Brake pad area front 254 cm2  
Brake pad area rear 196 cm2  
Total brake pad area   450 cm2  
(1) Description of Traction Control (TC) in IMPORTANT INFORMATION ABOUT ABS 5.3 AND ABS/TC .
(2) Porsche Stability Management (PSM) with the functions ABS, Traction Control (TC), ABD, MSR (engine drag torque control), FZR (vehicle regulator) and EBV (electronic brake distributor). Passive switching possibility for TC, FZR and MSR.
(3) EBV = electronic brake distributor (brake proportioning control). As a result, a screw-in brake proportioning valve is not required.