Standard Ignition PWS136 Disc Brake Pad Wear Sensor - Rear

Rear Brake Pad Wear Sensor for BMW Z4

Standard Ignition PWS136 is a rear disc brake pad wear sensor for select 2006-2008 BMW Z4 applications. It monitors brake pad condition at the brake caliper and helps trigger the wear warning system when pad material reaches the service limit.

Key Features

• Disc brake pad wear sensor for rear brake applications
• Mounts at the brake caliper for direct wear monitoring
• Female round connector with 1 connector and 2 male pin terminals
• Harness length: 46.75 in. (1187.45 mm)
• Standard Ignition PWS136 replacement sensor for OE-style fitment
• Cross-references BMW 34357836969 for the same application

Detailed Description

Standard Ignition PWS136 is built as a brake pad wear sensor for the rear position on 2006-2008 BMW Z4 models. The sensor uses a round female connector, 2-pin male terminals, and a 46.75-inch harness to route from the brake caliper to the vehicle’s wear indicator circuit. For BMW Z4 rear brake service, this part number provides a direct replacement option when the original sensor is worn, damaged, or no longer reading correctly.

Fits 2006-2008 BMW Z4, rear. Fits 2006-2008 BMW Z4, rear brake caliper wear sensor location. Standard Ignition PWS136 is the part number to verify when matching the rear brake pad wear sensor on these vehicles.

What It Is Used For

• Brake pad wear warning light stays on after pad service
• Broken or damaged rear brake pad wear sensor wiring
• Intermittent pad wear warning signal at the dashboard
• Sensor replacement during rear brake pad maintenance
• Restoring brake wear monitoring on BMW Z4 rear brakes

Installation Notes and Tips

Install at the rear brake caliper and route the harness along the original path to avoid contact with moving suspension or brake components. Confirm connector shape, terminal style, and harness length before installation. After replacement, inspect the brake pad wear circuit and clear any stored warning messages if required by the vehicle.

Quality Assurance

Standard Ignition PWS136 is a brake wear sensor replacement built to match the listed connector, terminal, mounting, and fitment details for the specified BMW Z4 rear applications.