Brake Warning Light Switch

Compatible with AUDI 80 B2 Sedans (811, 813, 814, 819, 853) , AUDI 80 B3 Sedans (893, 894, 8A2) , AUDI 100 C3 Sedans (443, 444) Show more info
Ensures your brake warning light functions correctly, alerting you to potential brake system issues.
4.71 EUR
inc. VAT 21%
In stock 5
Delivery 1 day (18.05.2026)
PN BS4522
Make CALORSTAT BY VERNET
EAN 3531650014026

This brake warning light switch from CALORSTAT by Vernet is designed to accurately monitor your vehicle's brake system. It plays a crucial role in safety by activating the dashboard warning light when a problem is detected, such as low fluid levels or a fault in the braking circuit. Proper functioning of this switch is essential for timely maintenance and safe driving. It provides a clear visual indicator, allowing you to address potential brake issues before they become serious. Crafted with quality materials, this switch offers reliable performance and durability, ensuring it meets the demands of everyday driving conditions. Installation is straightforward, making it a practical solution for maintaining your vehicle's safety features.

  • Activates the brake warning light on the dashboard.
  • Monitors brake system status for potential issues.
  • Essential for vehicle safety and driver awareness.
  • Ensures timely notification of brake system faults.
  • Reliable performance and durability.
  • Direct replacement for original equipment.
  • From CALORSTAT by Vernet.
Operating mode
mechanical
Thread size
M12x1.5
Sensor type
closed type sensor
  • AUDI
    • 80 B2 Sedans (811, 813, 814, 819, 853)
      • 1.3 (44kW/60PS)
      • 1.6 (54kW/73PS)
      • 1.6 (55kW/75PS)
      • 1.8 (65kW/88PS)
      • 1.8 (66kW/90PS)
      • 1.8 GTE (82kW/112PS)
      • 1.6 D (40kW/54PS)
      • 1.6 TD (51kW/70PS)
      • 1.8 GTE (81kW/110PS)
      • 2.0 (85kW/115PS)
    • 80 B3 Sedans (893, 894, 8A2)
      • 1.6 (55kW/75PS)
      • 1.8 (55kW/75PS)
      • 1.8 S (65kW/88PS)
      • 1.8 S (66kW/90PS)
      • 1.8 E (82kW/112PS)
      • 1.8 (83kW/113PS)
      • 2.0 E (83kW/113PS)
      • 1.6 D (40kW/54PS)
      • 1.6 TD (59kW/80PS)
      • 1.9 D (50kW/68PS)
      • 1.6 (51kW/70PS)
      • 2.0 E 16V (101kW/137PS)
      • 1.8 S quattro (65kW/88PS)
      • 1.8 S quattro (66kW/90PS)
      • 1.8 quattro (83kW/113PS)
      • 2.0 E quattro (83kW/113PS)
      • 2.0 E 16V quattro (101kW/137PS)
      • 2.0 E (82kW/112PS)
      • 1.8 E quattro (82kW/112PS)
      • 1.4 (48kW/65PS)
      • 1.6 (75kW/102PS)
    • 100 C3 Sedans (443, 444)
      • 1.8 (65kW/88PS)
      • 1.8 Cat (66kW/90PS)
      • 2.0 Cat (85kW/115PS)
      • 2.2 Turbo (121kW/165PS)
      • 2.3 E (100kW/136PS)
      • 2.0 D (51kW/70PS)
      • 2.0 D Turbo (74kW/100PS)
      • 2.5 TDI (88kW/120PS)
      • 1.8 quattro (65kW/88PS)
      • 1.8 Cat quattro (66kW/90PS)
      • 2.2 E Turbo quattro (121kW/165PS)
      • 2.3 E quattro (100kW/136PS)
      • 2.4 D (60kW/82PS)
      • 1.8 (66kW/90PS)
      • 1.8 quattro (66kW/90PS)
      • 2.2 Cat quattro (101kW/137PS)
      • 2.2 Cat (101kW/137PS)
    • 200 C3 Sedans (447, 448)
      • 2.2 Turbo (121kW/165PS)
      • 2.2 Turbo (147kW/200PS)
    • V8 (441, 442, 4C2, 4C8)
      • 3.6 quattro (184kW/250PS)
      • 4.2 quattro (206kW/280PS)
    • COUPE B3 (89, 8B3)
      • 2.3 (100kW/136PS)
      • 2.0 (85kW/115PS)
      • 2.0 16 V (103kW/140PS)
      • 2.3 (98kW/133PS)
      • 2.3 20V (123kW/167PS)
      • 2.6 (110kW/150PS)
      • 2.8 (128kW/174PS)
      • 2.3 quattro (100kW/136PS)
      • 2.3 20V quattro (125kW/170PS)
      • S2 quattro (162kW/220PS)
      • S2 quattro (169kW/230PS)
      • 2.3 quattro (98kW/134PS)
      • 2.3 20V quattro (123kW/167PS)
      • 2.6 quattro (110kW/150PS)
      • 2.8 quattro (128kW/174PS)
      • 2.3 20V (125kW/170PS)
      • 1.8 (82kW/112PS)
      • 2.2 quattro (100kW/136PS)
      • 2.0 16 V (101kW/137PS)
      • 2.0 (82kW/112PS)
      • 2.0 (83kW/113PS)
    • 100 C4 Sedans (4A2)
      • 2.4 D (60kW/82PS)
      • 2.5 TDI (85kW/115PS)
      • 2.0 (74kW/100PS)
      • 2.0 E (85kW/115PS)
      • 2.3 E (98kW/133PS)
      • 2.6 (110kW/150PS)
      • 2.8 E (128kW/174PS)
      • 2.3 E quattro (98kW/133PS)
      • 2.6 quattro (110kW/150PS)
      • 2.8 E quattro (128kW/174PS)
      • 2.0 E quattro (85kW/115PS)
      • 2.6 (102kW/139PS)
      • 2.0 E 16V (103kW/140PS)
    • 80 B4 Sedans (8C2)
      • 1.9 TD (55kW/75PS)
      • 1.9 TDI (66kW/90PS)
      • 1.6 (52kW/71PS)
      • 1.6 E (74kW/101PS)
      • 2.0 (66kW/90PS)
      • 2.0 E (85kW/115PS)
      • 2.0 E 16V (103kW/140PS)
      • 2.3 E (98kW/133PS)
      • 2.6 (110kW/150PS)
      • 2.8 (128kW/174PS)
      • 2.0 E 16V quattro (103kW/140PS)
      • 2.0 E quattro (85kW/115PS)
      • S2 quattro (169kW/230PS)
      • 2.8 quattro (128kW/174PS)
    • 100 C3 Avant (445, 446)
      • 1.8 (65kW/88PS)
      • 1.8 (66kW/90PS)
      • 2.0 E Cat (85kW/115PS)
      • 2.2 Turbo (121kW/165PS)
      • 2.3 (100kW/136PS)
      • 2.0 TD (74kW/100PS)
      • 2.5 TDI (88kW/120PS)
      • 2.4 D (60kW/82PS)
      • 2.2 Cat (101kW/137PS)
      • 1.8 Cat (66kW/90PS)
    • 80 B4 Avant (8C5)
      • 2.0 (66kW/90PS)
      • 2.0 E (85kW/115PS)
      • 2.0 E 16V (103kW/140PS)
      • 2.3 E (98kW/133PS)
      • 2.6 (110kW/150PS)
      • S2 quattro (169kW/230PS)
      • RS2 quattro (232kW/315PS)
      • 1.9 TDI (66kW/90PS)
      • 1.6 E (74kW/101PS)
      • 2.8 (128kW/174PS)
      • 2.0 E 16V quattro (103kW/140PS)
      • 1.9 TD (55kW/75PS)
    • 100 C4 Avant (4A5)
      • 2.5 TDI (85kW/115PS)
      • 2.0 E (74kW/100PS)
      • 2.0 E (85kW/115PS)
      • 2.6 (110kW/150PS)
      • 2.3 E (98kW/133PS)
      • 2.8 E (128kW/174PS)
      • 2.3 E quattro (98kW/133PS)
      • 2.6 quattro (110kW/150PS)
      • 2.8 E quattro (128kW/174PS)
      • 2.0 E quattro (85kW/115PS)
      • 2.4 D (60kW/82PS)
      • 2.0 E 16V (103kW/140PS)
      • 2.6 E quattro (102kW/139PS)
    • 90 B2 (813, 814, 853)
      • 2.0 (85kW/115PS)
      • 2.2 (85kW/115PS)
      • 2.2 (100kW/136PS)
      • 2.0 (83kW/113PS)
    • 90 B3 (893, 894, 8A2)
      • 2.0 (85kW/115PS)
      • 2.3 E (100kW/136PS)
      • 2.3 E (98kW/133PS)
      • 2.3 E 20V (123kW/167PS)
      • 2.3 E 20V quattro (125kW/170PS)
      • 2.3 E quattro (98kW/133PS)
      • 2.2 E (100kW/136PS)
      • 2.2 E quattro (100kW/136PS)
      • 2.3 E 20V (125kW/170PS)
      • 1.6 TD (59kW/80PS)
      • 2.0 20 V (118kW/160PS)
      • 2.0 20 V quattro (118kW/160PS)
    • CABRIOLET B3 (8G7)
      • 2.0 E (85kW/115PS)
      • 2.3 E (98kW/133PS)
      • 2.6 (110kW/150PS)
      • 2.8 (128kW/174PS)
      • 1.9 TDI (66kW/90PS)
      • 1.8 (92kW/125PS)
    • A8 D2 (4D2, 4D8)
      • 4.2 quattro (220kW/299PS)
      • 2.8 (128kW/174PS)
      • 2.8 quattro (128kW/174PS)
      • 4.2 quattro (180kW/245PS)
      • 3.7 (169kW/230PS)
      • 3.7 quattro (169kW/230PS)
      • 2.8 (142kW/193PS)
      • 2.8 quattro (142kW/193PS)
      • S8 quattro (250kW/340PS)
      • 2.5 TDI (110kW/150PS)
      • 2.5 TDI quattro (110kW/150PS)
      • 2.8 (120kW/163PS)
      • 2.8 quattro (120kW/163PS)
      • 4.2 quattro (228kW/310PS)
      • 3.7 quattro (191kW/260PS)
      • 3.7 (191kW/260PS)
      • 3.3 TDI quattro (165kW/224PS)
      • S8 quattro (265kW/360PS)
      • 4.2 quattro (175kW/238PS)
      • 6.0 W12 quattro (309kW/420PS)
      • 2.5 TDI quattro (132kW/180PS)
      • 2.5 TDI (132kW/180PS)
    • A6 C4 (4A2)
      • 1.9 TDI (66kW/90PS)
      • 2.5 TDI (103kW/140PS)
      • 2.0 (74kW/100PS)
      • 2.0 (85kW/115PS)
      • 2.0 16V (103kW/140PS)
      • 2.6 (110kW/150PS)
      • 2.8 (128kW/174PS)
      • 2.5 TDI (85kW/116PS)
      • 2.0 16V quattro (103kW/140PS)
      • 2.6 quattro (110kW/150PS)
      • 2.8 quattro (128kW/174PS)
      • 2.5 TDI quattro (103kW/140PS)
      • 1.8 (92kW/125PS)
      • 1.8 quattro (92kW/125PS)
      • 2.8 (142kW/193PS)
      • 2.8 quattro (142kW/193PS)
      • 2.3 (98kW/133PS)
      • 2.3 quattro (98kW/133PS)
      • 2.6 (102kW/139PS)
      • 2.8 (120kW/163PS)
    • A6 C4 Avant (4A5)
      • 1.9 TDI (66kW/90PS)
      • 2.5 TDI (103kW/140PS)
      • 2.0 (74kW/100PS)
      • 2.0 (85kW/115PS)
      • 2.0 16V (103kW/140PS)
      • 2.6 (110kW/150PS)
      • 2.8 (128kW/174PS)
      • 2.5 TDI (85kW/116PS)
      • 2.0 16V quattro (103kW/140PS)
      • 2.8 quattro (128kW/174PS)
      • 2.5 TDI quattro (103kW/140PS)
      • 1.8 (92kW/125PS)
      • 1.8 quattro (92kW/125PS)
      • 2.8 (142kW/193PS)
      • 2.8 quattro (142kW/193PS)
      • 2.3 (98kW/133PS)
      • 2.3 quattro (98kW/133PS)
      • 2.6 quattro (110kW/150PS)
      • 2.6 (102kW/139PS)
    • A4 B5 (8D2)
      • 1.6 (74kW/100PS)
      • 1.8 (92kW/125PS)
      • 1.8 T (110kW/150PS)
      • 2.6 (110kW/150PS)
      • 2.8 (128kW/174PS)
      • 1.9 TDI (66kW/90PS)
      • 1.8 quattro (92kW/125PS)
      • 1.8 T quattro (110kW/150PS)
      • 2.6 quattro (110kW/150PS)
      • 2.8 quattro (128kW/174PS)
      • 1.9 TDI (81kW/110PS)
      • 2.8 (142kW/193PS)
      • 2.8 quattro (142kW/193PS)
      • 2.4 (121kW/165PS)
      • 2.4 quattro (121kW/165PS)
      • S4 quattro (195kW/265PS)
      • 2.5 TDI (110kW/150PS)
      • 2.5 TDI quattro (110kW/150PS)
      • 1.8 T quattro (132kW/180PS)
      • 1.8 T (132kW/180PS)
      • 1.9 TDI (55kW/75PS)
      • 1.8 (85kW/115PS)
      • 1.6 (75kW/102PS)
      • 2.4 (120kW/163PS)
      • 2.4 quattro (120kW/163PS)
      • 2.8 quattro (140kW/190PS)
      • 2.6 (102kW/139PS)
      • 2.8 (140kW/190PS)
    • A4 B5 Avant (8D5)
      • 1.6 (74kW/100PS)
      • 1.8 (92kW/125PS)
      • 1.8 T (110kW/150PS)
      • 2.6 (110kW/150PS)
      • 1.9 TDI (66kW/90PS)
      • 1.9 TDI (81kW/110PS)
      • 1.8 quattro (92kW/125PS)
      • 1.8 T quattro (110kW/150PS)
      • 2.6 quattro (110kW/150PS)
      • 2.8 (142kW/193PS)
      • 2.8 quattro (142kW/193PS)
      • 2.4 (121kW/165PS)
      • 2.4 quattro (121kW/165PS)
      • S4 quattro (195kW/265PS)
      • 2.5 TDI (110kW/150PS)
      • 2.5 TDI quattro (110kW/150PS)
      • 1.8 T quattro (132kW/180PS)
      • 1.8 T (132kW/180PS)
      • RS4 quattro (280kW/380PS)
      • 1.8 (85kW/115PS)
      • 1.6 (75kW/102PS)
      • 2.4 (120kW/163PS)
      • 2.4 quattro (120kW/163PS)
      • 1.9 Hybrid (66kW/90PS)
    • A6 C5 (4B2, 4B4)
      • 1.8 T (110kW/150PS)
      • 1.8 T quattro (110kW/150PS)
      • 2.4 (121kW/165PS)
      • 2.4 quattro (121kW/165PS)
      • 2.8 (142kW/193PS)
      • 2.8 quattro (142kW/193PS)
      • 1.8 (92kW/125PS)
      • 2.7 T (169kW/230PS)
      • 2.7 T quattro (169kW/230PS)
      • 1.8 T quattro (132kW/180PS)
      • 2.4 (100kW/136PS)
      • 4.2 quattro (220kW/299PS)
      • 1.8 T (132kW/180PS)
      • S6 quattro (250kW/340PS)
      • 2.8 (132kW/180PS)
      • 2.8 (140kW/190PS)
      • 2.4 (115kW/156PS)
      • 2.0 (96kW/130PS)
      • 3.0 (162kW/220PS)
      • 3.0 quattro (162kW/220PS)
      • 2.4 (125kW/170PS)
      • 2.4 quattro (125kW/170PS)
      • 2.4 (120kW/163PS)
      • 2.4 quattro (120kW/163PS)
      • 2.4 quattro (115kW/156PS)
      • 2.8 quattro (140kW/190PS)
      • 3.0 (160kW/218PS)
    • A6 C5 Avant (4B5, 4B6)
      • 1.8 (92kW/125PS)
      • 2.8 quattro (142kW/193PS)
      • 1.8 T (110kW/150PS)
      • 2.4 (121kW/165PS)
      • 2.8 (142kW/193PS)
      • 1.8 T quattro (110kW/150PS)
      • 2.4 quattro (121kW/165PS)
      • 2.7 T (169kW/230PS)
      • 2.7 T quattro (169kW/230PS)
      • 2.4 (100kW/136PS)
      • 1.8 T quattro (132kW/180PS)
      • 4.2 quattro (220kW/299PS)
      • 1.8 T (132kW/180PS)
      • S6 quattro (250kW/340PS)
      • 2.8 (132kW/180PS)
      • 2.8 (140kW/190PS)
      • 2.4 (115kW/156PS)
      • 2.0 (96kW/130PS)
      • 2.4 (125kW/170PS)
      • 2.4 quattro (125kW/170PS)
      • 3.0 (162kW/220PS)
      • 3.0 quattro (162kW/220PS)
      • 2.4 (120kW/163PS)
      • 2.4 quattro (120kW/163PS)
      • 2.4 quattro (115kW/156PS)
      • 3.0 (160kW/218PS)
      • 3.0 quattro (160kW/218PS)
      • 2.8 quattro (140kW/190PS)
    • COUPE B2 (81, 855, 856)
      • 2.3 quattro (98kW/133PS)
  • VW
    • PASSAT B5 (3B2)
      • 1.6 (74kW/101PS)
      • 1.8 (92kW/125PS)
      • 1.8 T (110kW/150PS)
      • 2.3 VR5 (110kW/150PS)
      • 2.8 V6 Syncro/4motion (142kW/193PS)
      • 2.8 V6 (142kW/193PS)
      • 1.8 Syncro/4motion (92kW/125PS)
      • 2.3 VR5 Syncro/4motion (110kW/150PS)
      • 2.0 (88kW/120PS)
      • 2.0 4motion (88kW/120PS)
      • 1.8 (85kW/115PS)
    • PASSAT B5 Variant (3B5)
      • 1.6 (74kW/101PS)
      • 1.8 (92kW/125PS)
      • 1.8 T (110kW/150PS)
      • 2.3 VR5 (110kW/150PS)
      • 2.8 V6 (142kW/193PS)
      • 2.8 V6 Syncro/4motion (142kW/193PS)
      • 1.8 Syncro/4motion (92kW/125PS)
      • 2.3 VR5 Syncro/4motion (110kW/150PS)
      • 2.0 (88kW/120PS)
      • 2.0 4motion (88kW/120PS)
      • 1.8 (85kW/115PS)
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