The 2021 BMW X6 has 17 electrical switch & relay parts with verified fitment on this page — 6 part types and 11 brands, covering both the 3.0L L6 Turbocharged and the 4.4L V8 Turbocharged. Each part includes a manufacturer part number and application notes.
The switch and relay system on the 2021 BMW X6 covers the switches, relays and flashers that route power to everything the driver touches. The largest groups are Brake Light Switch (6 parts), Oil Pressure Sender / Switch (4 parts) and A/C Refrigerant Pressure Switch (3 parts). The other 3 part types cover the remaining 4 parts.
The 2021 BMW X6 was sold with both the 3.0L L6 Turbocharged and the 4.4L V8 Turbocharged. 16 parts fit every engine; the other 1 is engine-specific. Each part shows which engine(s) it fits.
11 brands supply electrical switch & relay parts for the 2021 BMW X6, led by WELLS (5 parts), STANDARD MOTOR PRODUCTS (3 parts) and FOUR SEASONS (1 part), plus 8 more brands. Quality grades include Standard Replacement and Economy.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2021 BMW X6. 2 parts have it, including HELLA 010966401 (Brake Light Switch) and STANDARD MOTOR PRODUCTS SLS323 (Brake Light Switch). Each part number opens a page with every vehicle that part fits.
A/C Refrigerant Pressure Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FOUR SEASONS Fits: all 2021 X6 engines | 20997 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Pressure Switch | View on Amazon |
| REIN Fits: all 2021 X6 engines | ACS0243P | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| UAC Fits: all 2021 X6 engines | SW11170C | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Pressure Transducer | View on Amazon |
This table covers the pressure switches on the A/C circuit. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
3 A/C Refrigerant Pressure Switch parts are listed for the 2021 BMW X6, from FOUR SEASONS, REIN and UAC. All of them fit every engine offered in the 2021 X6.
Listed part numbers: FOUR SEASONS 20997, REIN ACS0243P and UAC SW11170C.
Brake Light Switch
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HOLSTEIN Fits: all 2021 X6 engines | 2BLS0033 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: all 2021 X6 engines | SLS323T | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | T-Series | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: all 2021 X6 engines | 010966401 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 4-pin connector | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular Fits: all 2021 X6 engines | SLS323 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| BECK/ARNLEY Fits: all 2021 X6 engines | 2012696 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| WELLS Fits: 4.4L V8 Turbocharged | 1S12667 | 🇺🇸 US | M Model | View on Amazon |
This table covers the pedal-mounted switch that turns on the brake lamps. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
6 Brake Light Switch parts are listed for the 2021 BMW X6, from STANDARD MOTOR PRODUCTS, HOLSTEIN, HELLA and 2 other brands. HELLA 010966401 carries the "Popular" badge. 5 parts fit every engine; the other 1 is engine-specific.
In the Economy grade, HOLSTEIN and STANDARD MOTOR PRODUCTS supply 2 parts: the catalog's value-priced group. A representative part number is HOLSTEIN 2BLS0033.
The Standard Replacement section lists 4 options from HELLA, STANDARD MOTOR PRODUCTS, BECK/ARNLEY and 1 other brand — built to original-equipment specification. HELLA 010966401 is listed in this group.
Listed part numbers: HELLA 010966401, HOLSTEIN 2BLS0033 and STANDARD MOTOR PRODUCTS SLS323T, plus the other parts above.
Headlamp Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS Fits: all 2021 X6 engines | 1S18231 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with LED Fog Lightswith Night Vision Camera | View on Amazon |
| WELLS Fits: all 2021 X6 engines | 1S18237 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Fog Lightswithout Night Vision Camera | View on Amazon |
This table covers the column or dash switches that control the exterior lamps. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
2 Headlamp Switch parts for the 2021 BMW X6 come from WELLS. Every part fits both the 3.0L L6 Turbocharged and the 4.4L V8 Turbocharged.
This group includes WELLS 1S18231 and WELLS 1S18237.
Ignition Starter Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS Fits: all 2021 X6 engines | 1S17908 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Push Button Switch, with Class Package | View on Amazon |
This table covers the ignition switches that feed the starter circuit. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
This group shows a single part: WELLS 1S17908.
Oil Pressure Sender / Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FACET Fits: all 2021 X6 engines | 250015 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| GPD Fits: all 2021 X6 engines | 1816559 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Light | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2021 X6 engines | PS754 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| WELLS Fits: all 2021 X6 engines | 1S16103 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the senders and switches that report oil pressure to the gauge or lamp. Typical signs include a lamp that stays on, or a gauge that never moves. Confirm power and ground at the connector before replacing the sender or switch.
4 Oil Pressure Sender / Switch parts are listed for the 2021 BMW X6, from FACET, GPD, STANDARD MOTOR PRODUCTS and 1 other brand. All of them fit every engine offered in the 2021 X6.
This group includes FACET 250015, GPD 1816559 and STANDARD MOTOR PRODUCTS PS754 and the remaining parts above.
Power Window Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO Fits: all 2021 X6 engines | V20730271 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits RearColor: Black | View on Amazon |
This table covers the switches that command each window motor. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
One part is listed for the 2021 BMW X6 — VEMO V20730271.
Buying Electrical Switch & Relay Parts for a 2021 BMW X6
On this vehicle, the switch and relay system covers the switches, relays and flashers that route power to everything the driver touches.
- Match the engine first. Some electrical switch & relay parts fit every engine; others are engine-specific. Each row shows which engine(s) it fits.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, inspect the connector terminals behind any failed switch — heat damage there will kill the new part too.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Brake Light Switch and Oil Pressure Sender / Switch .
Frequently Asked Questions
How many electrical switch & relay parts fit the 2021 BMW X6?
Our catalog currently lists 17 electrical switch & relay parts for the 2021 BMW X6 across 6 subcategories and 11 brands, covering both the 3.0L L6 Turbocharged and the 4.4L V8 Turbocharged. Each part is matched to the engine(s) it fits.
Do electrical switch & relay parts differ between 2021 BMW X6 engines?
Some do. 16 parts fit every engine; the other 1 is engine-specific. Each row (and the filter at the top) shows which. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of electrical switch & relay problems on a 2021 BMW X6?
Common symptoms include accessories that work intermittently, a click without action, or one function dead while its fuse tests fine. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What should I replace at the same time?
Where labor overlaps, inspect the connector terminals behind any failed switch — heat damage there will kill the new part too.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2021 BMW X6 was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 2021 BMW X6?
First match the engine — each row shows which engine(s) the part fits. Then swap a suspect relay with an identical known-good one from the fuse box before buying — it is the fastest diagnostic there is. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2021 BMW X6
Electrical Switch & Relay Parts for Other BMW X6 Years
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Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.