TOPRAN 502 434 Brake Pad Wear Indicator

Compatible with BMW 1 (F20) , BMW 3 (F30, F80) , BMW 4 Coupe (F32, F82) Show more info
Ensures timely notification of brake pad wear. Directly replaces the original component for a perfect fit.
4.65 EUR
inc. VAT 21%
In stock 76
Delivery 1 day (14.05.2026)
PN 502 434
Make TOPRAN

This TOPRAN brake pad wear indicator, part number 502 434, is designed to alert you when your brake pads have reached their minimum thickness. Proper functioning of this sensor is crucial for maintaining optimal braking performance and preventing damage to your brake discs. Crafted to meet the specific requirements of your vehicle, this indicator ensures reliable operation and integrates seamlessly with your existing braking system. It's a direct replacement for the original equipment, guaranteeing compatibility and ease of installation. Regularly checking your brake system is essential for safety. This component plays a vital role in that system by providing a clear warning, allowing for proactive maintenance and ensuring your vehicle remains safe to drive.

  • Direct replacement for original part
  • Ensures timely brake pad wear notification
  • Helps prevent brake disc damage
  • Reliable and durable construction
  • Easy installation
  • Maintains optimal braking performance
  • Crucial for vehicle safety
Installation side
Front axle
Number of wear sensors [per axle]
"1"
Additional article/Additional info 2
with wire
Length [mm]
680
Wear sensor
Replace the warning contact together with the brake pads
Brake type
Disc brake mechanism
  • BMW
    • 1 (F20)
      • 116 d (85kW/116PS)
      • 125 i (160kW/218PS)
      • 116 i (100kW/136PS)
      • 118 i (125kW/170PS)
      • 116 d (85kW/116PS)
      • 118 d (105kW/143PS)
      • 120 d (135kW/184PS)
      • 125 d (160kW/218PS)
      • 114 i (75kW/102PS)
      • M 135 i (235kW/320PS)
      • M 135 i xDrive (235kW/320PS)
      • 114 d (70kW/95PS)
      • 120 d xDrive (135kW/184PS)
      • 118 d xDrive (105kW/143PS)
      • 125 i (175kW/238PS)
      • 116 i (80kW/109PS)
      • 120 i (130kW/177PS)
      • M 135 i (240kW/326PS)
      • M 135 i xDrive (240kW/326PS)
      • 116 d (85kW/116PS)
      • 118 d (110kW/150PS)
      • 118 d xDrive (110kW/150PS)
      • 120 d (140kW/190PS)
      • 120 d xDrive (140kW/190PS)
      • 125 d (165kW/224PS)
      • 118 i (100kW/136PS)
      • 114 d (70kW/95PS)
      • 120 i (135kW/184PS)
      • 125 i (165kW/224PS)
      • M 140 i (250kW/340PS)
      • M 140 i xDrive (250kW/340PS)
    • 3 (F30, F80)
      • 328 i (180kW/245PS)
      • 335 i (225kW/306PS)
      • 320 d (135kW/184PS)
      • 320 d (120kW/163PS)
      • 320 i (135kW/184PS)
      • 316 d (85kW/116PS)
      • 318 d (105kW/143PS)
      • 335 d xDrive (230kW/313PS)
      • 320 i xDrive (135kW/184PS)
      • 320 d xDrive (135kW/184PS)
      • 328 i xDrive (180kW/245PS)
      • 335 i xDrive (225kW/306PS)
      • 316 i (100kW/136PS)
      • ActiveHybrid (250kW/340PS)
      • 330 d (190kW/258PS)
      • 330 d xDrive (190kW/258PS)
      • 325 d (160kW/218PS)
      • 320 i (125kW/170PS)
      • 318 d xDrive (105kW/143PS)
      • 318 i (100kW/136PS)
      • 330 i (185kW/252PS)
      • 340 i (240kW/326PS)
      • 340 i xDrive (240kW/326PS)
      • 318 d (110kW/150PS)
      • 318 d xDrive (110kW/150PS)
      • 320 d (140kW/190PS)
      • 320 d xDrive (140kW/190PS)
      • 320 i (135kW/184PS)
      • 320 i xDrive (135kW/184PS)
      • 330 e (185kW/252PS)
      • 325 d (165kW/224PS)
    • 4 Coupe (F32, F82)
      • 420 i (135kW/184PS)
      • 435 d xDrive (230kW/313PS)
      • 420 d xDrive (135kW/184PS)
      • 430 d (190kW/258PS)
      • 420 i xDrive (135kW/184PS)
      • 428 i (180kW/245PS)
      • 428 i xDrive (180kW/245PS)
      • 435 i (225kW/306PS)
      • 435 i xDrive (225kW/306PS)
      • 420 d (135kW/184PS)
      • 430 d xDrive (190kW/258PS)
      • 425 d (160kW/218PS)
      • 430 d (210kW/286PS)
      • 430 d xDrive (210kW/286PS)
      • 418 d (110kW/150PS)
      • 420 d (140kW/190PS)
      • 420 d xDrive (140kW/190PS)
      • 430 i (185kW/252PS)
      • 430 i xDrive (185kW/252PS)
      • 440 i (240kW/326PS)
      • 440 i xDrive (240kW/326PS)
      • 425 d (165kW/224PS)
      • 420 i (135kW/184PS)
      • 420 i xDrive (135kW/184PS)
      • 418 i (100kW/136PS)
      • 440 i xDrive (265kW/360PS)
      • 440 i (265kW/360PS)
    • 1 (F21)
      • 118 d xDrive (105kW/143PS)
      • 114 i (75kW/102PS)
      • 116 i (100kW/136PS)
      • 118 i (125kW/170PS)
      • 125 i (160kW/218PS)
      • M 135 i (235kW/320PS)
      • 114 d (70kW/95PS)
      • M 135 i xDrive (235kW/320PS)
      • 116 d (85kW/116PS)
      • 116 d (85kW/116PS)
      • 118 d (105kW/143PS)
      • 120 d (135kW/184PS)
      • 120 d xDrive (135kW/184PS)
      • 125 d (160kW/218PS)
      • 125 i (175kW/238PS)
      • 116 i (80kW/109PS)
      • 118 i (100kW/136PS)
      • 120 i (130kW/177PS)
      • M 135 i (240kW/326PS)
      • M 135 i xDrive (240kW/326PS)
      • 116 d (85kW/116PS)
      • 118 d (110kW/150PS)
      • 118 d xDrive (110kW/150PS)
      • 120 d (140kW/190PS)
      • 120 d xDrive (140kW/190PS)
      • 125 d (165kW/224PS)
      • 118 i (100kW/136PS)
      • 114 d (70kW/95PS)
      • 120 i (135kW/184PS)
      • 125 i (165kW/224PS)
      • M 140 i (250kW/340PS)
      • M 140 i xDrive (250kW/340PS)
    • 3 Touring (F31)
      • 320 i (135kW/184PS)
      • 328 i (180kW/245PS)
      • 316 d (85kW/116PS)
      • 318 d (105kW/143PS)
      • 320 d (135kW/184PS)
      • 330 d (190kW/258PS)
      • 320 d (120kW/163PS)
      • 325 d (160kW/218PS)
      • 335 i xDrive (225kW/306PS)
      • 335 i (225kW/306PS)
      • 328 i xDrive (180kW/245PS)
      • 320 i xDrive (135kW/184PS)
      • 330 d xDrive (190kW/258PS)
      • 320 d xDrive (135kW/184PS)
      • 316 i (100kW/136PS)
      • 318 d xDrive (105kW/143PS)
      • 335 d xDrive (230kW/313PS)
      • 318 i (100kW/136PS)
      • 330 i (185kW/252PS)
      • 330 i xDrive (185kW/252PS)
      • 340 i (240kW/326PS)
      • 340 i xDrive (240kW/326PS)
      • 318 d (110kW/150PS)
      • 318 d xDrive (110kW/150PS)
      • 320 d (140kW/190PS)
      • 320 d xDrive (140kW/190PS)
      • 320 i (135kW/184PS)
      • 320 i xDrive (135kW/184PS)
      • 325 d (165kW/224PS)
    • 2 Coupe (F22, F87)
      • 220 d (135kW/184PS)
      • 220 i (135kW/184PS)
      • M 235 i (240kW/326PS)
      • 218 d (105kW/143PS)
      • 225 d (160kW/218PS)
      • M 235 i xDrive (240kW/326PS)
      • 228 i (180kW/245PS)
      • 220 d (140kW/190PS)
      • 218 i (100kW/136PS)
      • 220 d xDrive (140kW/190PS)
      • 218 d (110kW/150PS)
      • 225 d (165kW/224PS)
      • 220 i (135kW/184PS)
      • 230 i (185kW/252PS)
      • M 240 i (250kW/340PS)
      • M 240 i xDrive (250kW/340PS)
    • 4 Kabriolets (F33, F83)
      • 435 i (225kW/306PS)
      • 420 d (135kW/184PS)
      • 428 i (180kW/245PS)
      • 428 i xDrive (180kW/245PS)
      • 420 i (135kW/184PS)
      • 435 i xDrive (225kW/306PS)
      • 425 d (160kW/218PS)
      • 430 d (190kW/258PS)
      • 435 d xDrive (230kW/313PS)
      • 430 d (210kW/286PS)
      • 420 d (140kW/190PS)
      • 430 i (185kW/252PS)
      • 430 i xDrive (185kW/252PS)
      • 440 i (240kW/326PS)
      • 440 i xDrive (240kW/326PS)
      • 425 d (165kW/224PS)
      • 420 i (135kW/184PS)
      • 440 i (265kW/360PS)
      • 440 i xDrive (265kW/360PS)
    • 3 Gran Turismo (F34)
      • 320 i (135kW/184PS)
      • 328 i (180kW/245PS)
      • 335 i (225kW/306PS)
      • 318 d (105kW/143PS)
      • 320 d (135kW/184PS)
      • 320 i xDrive (135kW/184PS)
      • 328 i xDrive (180kW/245PS)
      • 335 i xDrive (225kW/306PS)
      • 320 d xDrive (135kW/184PS)
      • 330 d xDrive (190kW/258PS)
      • 330 d (190kW/258PS)
      • 335 d xDrive (230kW/313PS)
      • 318 d (110kW/150PS)
      • 320 d (140kW/190PS)
      • 320 d xDrive (140kW/190PS)
      • 330 d (210kW/286PS)
      • 330 d xDrive (210kW/286PS)
      • 330 i (185kW/252PS)
      • 330 i xDrive (185kW/252PS)
      • 320 i (135kW/184PS)
      • 320 i xDrive (135kW/184PS)
      • 325 d (165kW/224PS)
      • 340 i (265kW/360PS)
      • 340 i xDrive (265kW/360PS)
    • 4 Gran Coupe (F36)
      • 418 d (105kW/143PS)
      • 435 i (225kW/306PS)
      • 420 d (135kW/184PS)
      • 420 d xDrive (135kW/184PS)
      • 420 i (135kW/184PS)
      • 428 i (180kW/245PS)
      • 428 i xDrive (180kW/245PS)
      • 420 i xDrive (135kW/184PS)
      • 435 i xDrive (225kW/306PS)
      • 430 d (190kW/258PS)
      • 430 d xDrive (190kW/258PS)
      • 435 d xDrive (230kW/313PS)
      • 430 d (210kW/286PS)
      • 430 d xDrive (210kW/286PS)
      • 420 d (140kW/190PS)
      • 420 d xDrive (140kW/190PS)
      • 418 d (110kW/150PS)
      • 418 i (100kW/136PS)
      • 418 d (100kW/136PS)
      • 430 i (185kW/252PS)
      • 430 i xDrive (185kW/252PS)
      • 440 i (240kW/326PS)
      • 440 i xDrive (240kW/326PS)
      • 425 d (165kW/224PS)
      • 420 i (135kW/184PS)
      • 420 i xDrive (135kW/184PS)
      • 440 i xDrive (265kW/360PS)
      • 440 i (265kW/360PS)
    • 2 Kabriolets (F23)
      • 220 i (135kW/184PS)
      • 228 i (180kW/245PS)
      • M 235 i (240kW/326PS)
      • 220 d (140kW/190PS)
      • 218 i (100kW/136PS)
      • 218 d (110kW/150PS)
      • 225 d (165kW/224PS)
      • M 235 i xDrive (240kW/326PS)
      • 220 i (135kW/184PS)
      • 230 i (185kW/252PS)
      • M 240 i (250kW/340PS)
      • M 240 i xDrive (250kW/340PS)
      • 218 i (100kW/136PS)
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