2014-2021 BMW Brake Pad Wear Indicator Sensor / Wiring Harness Left, Rear, Right 34359304749
OEM Part #: 34-35-9-304-749 (34359304749)
Actual photo
The exact part you’ll receive — not a stock photo.
$15.99
Side: Left, Rear, Right
Used
Donor2015 BMW i3 · 0.6L · 56k miles
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Genuine OEM Used
SKU: 526124
Donor Vehicle: 2015 BMW i3 · 0.6L · 56k miles
3 photos
HAS A CRACKED PLUG, SEE PICTURES
$15.99
30-Day Returns
Genuine OEM Used
SKU: 572374
Donor Vehicle: 2014 BMW i3 · 0.6L
2 photos
$19.99
30-Day Returns
Genuine OEM Used
SKU: 526125
Donor Vehicle: 2015 BMW i3 · 0.6L · 56k miles
2 photos
$19.99
30-Day Returns
Genuine OEM Used
SKU: 519181
Donor Vehicle: 2014 BMW i3 · 0.6L · 70k miles
2 photos
$19.99
30-Day Returns
Genuine OEM Used
SKU: 519180
Donor Vehicle: 2014 BMW i3 · 0.6L · 70k miles
2 photos
$19.99
30-Day Returns
- Genuine OEM — real photos
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A used OEM BMW Brake Pad Wear Indicator Sensor / Wiring Harness (OEM part number 9304749) is available, also superseding 6857154. This genuine sensor monitors brake pad thickness on the left rear and right rear positions. It fits BMW i3 and i3s models equipped with the 0.6L REX or full BEV powertrains. When the sensor wire is broken or pads wear to the trigger point, it illuminates the brake service warning light.
Specifications
| Fits Vehicle Model | i3, i3 REx, i3s, i3s REx |
| Fits Vehicle Make | BMW |
| OEM Part No | 34-35-9-304-749 (34359304749) |
| Compatible OEM Part No | 6857154 |
| Side | Left, Rear, Right |
| Category | Other |
Compatible Vehicles
Fits 24 vehicle configurations across 1 make, 2014-2021.
Check your specific vehicle before ordering.
This list shows year, make, and model. Some years have multiple trims or
engines that use different parts, and individual listings may have
additional fitment notes (e.g. “with sunroof only”). Review
the full variant list below, or
message us with your VIN
and we’ll confirm the match.
View all 24 vehicle configurations
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2021 | BMW | i3 | Hatchback | Electric Vehicle | |
| 2018 | BMW | i3 REx | Hatchback | 0.6L l2 | |
| 2019 | BMW | i3 REx | Hatchback | 0.6L l2 | |
| 2020 | BMW | i3 REx | Hatchback | 0.6L l2 | |
| 2021 | BMW | i3 REx | Hatchback | 0.6L l2 | |
| 2019 | BMW | i3 | Hatchback | Electric Vehicle | |
| 2018 | BMW | i3s | Hatchback | Electric Vehicle | |
| 2020 | BMW | i3s | Hatchback | Electric Vehicle | |
| 2019 | BMW | i3s | Hatchback | Electric Vehicle | |
| 2021 | BMW | i3s | Hatchback | Electric Vehicle | |
| 2019 | BMW | i3s REx | Hatchback | 0.6L l2 | |
| 2018 | BMW | i3s REx | Hatchback | 0.6L l2 | |
| 2018 | BMW | i3 | Hatchback | Electric Vehicle | |
| 2021 | BMW | i3s REx | Hatchback | 0.6L l2 | |
| 2020 | BMW | i3 | Hatchback | Electric Vehicle | |
| 2014 | BMW | i3 | Hatchback | Electric Vehicle | |
| 2015 | BMW | i3 | Hatchback | Electric Vehicle | |
| 2016 | BMW | i3 | Hatchback | Electric Vehicle | |
| 2014 | BMW | i3 REx | Hatchback | 0.6L l2 | |
| 2016 | BMW | i3 REx | Hatchback | 0.6L l2 | |
| 2015 | BMW | i3 REx | Hatchback | 0.6L l2 | |
| 2017 | BMW | i3 | Hatchback | Electric Vehicle | |
| 2017 | BMW | i3 REx | Hatchback | 0.6L l2 | |
| 2020 | BMW | i3s REx | Hatchback | 0.6L l2 |