22 Electrical switch & relay parts are listed for the 2021 BMW 530I, in 7 part types, covering the 2.0L L4 Turbocharged engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2021 BMW 530I, the switch and relay system covers the switches, relays and flashers that route power to everything the driver touches. Most of the listed parts are Brake Light Switch (8 parts), Oil Pressure Sender / Switch (4 parts) and A/C Refrigerant Pressure Switch (3 parts). The other 4 part types cover the remaining 7 parts.
Every part on this page is matched to the 2.0L L4 Turbocharged — the only engine offered in the 2021 BMW 530I.
The most listed brands for 2021 BMW 530I electrical switch & relay parts are WELLS (6 parts), STANDARD MOTOR PRODUCTS (5 parts) and VEMO (2 parts), plus 9 more brands. Quality grades include Standard Replacement and Economy.
2 parts on this 2021 BMW 530I page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including HELLA 010966401 (Brake Light Switch) and STANDARD MOTOR PRODUCTS SLS323 (Brake Light Switch). Click any part number to see every vehicle that part fits.
A/C Refrigerant Pressure Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FOUR SEASONS | 20997 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Pressure Switch | View on Amazon |
| REIN | ACS0243P | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| UAC | 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 for the 2021 BMW 530I come from 3 brands — FOUR SEASONS, REIN and UAC.
This group includes FOUR SEASONS 20997, REIN ACS0243P and UAC SW11170C.
Brake Light Switch
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 920458 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| HOLSTEIN | 2BLS0033 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| STANDARD MOTOR PRODUCTS | SLS323T | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | T-Series | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular | 010966401 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 4-pin connector | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular | SLS323 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with 4 Blade Terminals | View on Amazon |
| BECK/ARNLEY | 2012696 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| STANDARD MOTOR PRODUCTS | SLS541 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with 2 Terminal(s) | View on Amazon |
| WELLS | 1S12667 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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.
8 Brake Light Switch parts for the 2021 BMW 530I come from 6 brands — STANDARD MOTOR PRODUCTS, DORMAN, HOLSTEIN and 3 other brands. The "Popular" part is HELLA 010966401.
The Economy section lists 3 options from DORMAN, HOLSTEIN and STANDARD MOTOR PRODUCTS — the catalog's value-priced group. DORMAN 920458 is listed in this group.
In the Standard Replacement grade, STANDARD MOTOR PRODUCTS, HELLA, BECK/ARNLEY and 1 other brand supply 5 parts: built to original-equipment specification. A representative part number is HELLA 010966401.
Listed part numbers: HELLA 010966401, DORMAN 920458 and HOLSTEIN 2BLS0033, plus the other parts above.
Headlamp Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS | 1S16970 | 🇺🇸 US 🇨🇦 CA | 530i xDrivewithout Fog Lights | View on Amazon |
| WELLS | 1S18203 | 🇺🇸 US 🇲🇽 MX | 530i Base Modelwithout GT Package | View on Amazon |
| WELLS | 1S18207 | 🇺🇸 US 🇲🇽 MX | 530i Base Modelwithout GT Package | 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.
WELLS supplies the 3 Headlamp Switch parts for the 2021 BMW 530I.
This group includes WELLS 1S16970, WELLS 1S18203 and WELLS 1S18207.
Ignition Starter Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS | 1S17775 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Push Button Switch | 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.
One part is listed for the 2021 BMW 530I — WELLS 1S17775.
Oil Pressure Sender / Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FACET | 250015 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| GPD | 1816559 | 🇺🇸 US 🇨🇦 CA | 530i xDrivewith Light | View on Amazon |
| STANDARD MOTOR PRODUCTS | PS754 | 🇺🇸 US 🇲🇽 MX | 530i Base Model | View on Amazon |
| WELLS | 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 for the 2021 BMW 530I come from 4 brands — FACET, GPD, STANDARD MOTOR PRODUCTS and 1 other brand.
This group includes FACET 250015, GPD 1816559 and STANDARD MOTOR PRODUCTS PS754 and the remaining parts above.
Power Window Switch
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO | V20730111 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Left | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | DWS2013 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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.
2 Power Window Switch parts for the 2021 BMW 530I come from 2 brands — VEMO and STANDARD MOTOR PRODUCTS.
The Economy section: 1 option from VEMO. VEMO V20730111 is listed in this group.
Standard Replacement: 1 part, from STANDARD MOTOR PRODUCTS. A representative part number is STANDARD MOTOR PRODUCTS DWS2013.
Part numbers include VEMO V20730111 and STANDARD MOTOR PRODUCTS DWS2013.
Trunk Lid / Tailgate Release Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO | V20730310 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the Trunk Lid / Tailgate Release switches. 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 530I — VEMO V20730310.
Buying Electrical Switch & Relay Parts for a 2021 BMW 530I
On this vehicle, the switch and relay system covers the switches, relays and flashers that route power to everything the driver touches.
- Confirm you have the 2.0L L4 Turbocharged engine — every part on this page is matched to it.
- 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 530I?
Our catalog currently lists 22 electrical switch & relay parts for the 2021 BMW 530I across 7 subcategories and 12 brands, covering the 2.0L L4 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical switch & relay problems on a 2021 BMW 530I?
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 530I 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 530I?
Every part on this page is matched to the 2.0L L4 Turbocharged engine. 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 530I
Electrical Switch & Relay Parts for Other BMW 530I 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.