15 Electrical switch & relay parts are listed for the 2021 BMW 228I, 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.
The switch and relay system on the 2021 BMW 228I covers the switches, relays and flashers that route power to everything the driver touches. The largest groups are Brake Light Switch (4 parts), A/C Refrigerant Pressure Switch (3 parts) and Oil Pressure Sender / Switch (3 parts). The other 4 part types cover the remaining 5 parts.
Every part on this page is matched to the 2.0L L4 Turbocharged — the only engine offered in the 2021 BMW 228I.
The most listed brands for 2021 BMW 228I electrical switch & relay parts are WELLS (3 parts), VEMO (3 parts) and STANDARD MOTOR PRODUCTS (2 parts), plus 7 more brands.
Each part number listed for the 2021 BMW 228I opens a page with every vehicle that part fits.
A/C Refrigerant Pressure Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FOUR SEASONS | 20997 | 🇺🇸 US 🇨🇦 CA | Pressure Switch | View on Amazon |
| REIN | ACS0243P | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| UAC | SW11170C | 🇺🇸 US 🇨🇦 CA | 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 228I come from 3 brands — FOUR SEASONS, REIN and UAC.
Part numbers include FOUR SEASONS 20997, REIN ACS0243P and UAC SW11170C.
Brake Light Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY | 2012711 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ROSTRA | 620242 | 🇺🇸 US 🇨🇦 CA | 228i xDrive Gran Coupe | View on Amazon |
| STANDARD MOTOR PRODUCTS | SLS541 | 🇺🇸 US 🇨🇦 CA | 228i xDrive Gran Coupe | View on Amazon |
| WELLS | 1S12667 | 🇺🇸 US 🇨🇦 CA | 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.
4 Brake Light Switch parts for the 2021 BMW 228I come from 4 brands — BECK/ARNLEY, ROSTRA, STANDARD MOTOR PRODUCTS and 1 other brand.
Part numbers include BECK/ARNLEY 2012711, ROSTRA 620242 and STANDARD MOTOR PRODUCTS SLS541, among others listed above.
Headlamp Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO | V20730066 | 🇺🇸 US 🇨🇦 CA | Fits 228i xDrive Gran CoupeExc. M Sport Package | View on Amazon |
| WELLS | 1S18222 | 🇺🇸 US 🇨🇦 CA | 228i xDrive Gran Coupe | 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 are listed for the 2021 BMW 228I, from VEMO and WELLS.
Part numbers include VEMO V20730066 and WELLS 1S18222.
Ignition Starter Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO | V20800005 | 🇺🇸 US 🇨🇦 CA | 228i xDrive Gran Coupe | 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 228I — VEMO V20800005.
Oil Pressure Sender / Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GPD | 1816559 | 🇺🇸 US 🇨🇦 CA | 228i xDrive Gran Coupewith Light | View on Amazon |
| STANDARD MOTOR PRODUCTS | PS754 | 🇺🇸 US 🇨🇦 CA | 228i xDrive Gran Coupewith Light | View on Amazon |
| WELLS | 1S16103 | 🇺🇸 US 🇨🇦 CA | 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.
3 Oil Pressure Sender / Switch parts for the 2021 BMW 228I come from 3 brands — GPD, STANDARD MOTOR PRODUCTS and WELLS.
Listed part numbers: GPD 1816559, STANDARD MOTOR PRODUCTS PS754 and WELLS 1S16103.
Power Window Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO | V20730085 | 🇺🇸 US 🇨🇦 CA | Right228i xDrive Gran Coupe | 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.
This group shows a single part: VEMO V20730085.
Radiator Fan Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ÜRO PARTS | 64116930015 | 🇺🇸 US 🇨🇦 CA | 228i xDrive Gran CoupeSensor | View on Amazon |
This table covers the Radiator Fan 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.
This group shows a single part: ÜRO PARTS 64116930015.
Buying Electrical Switch & Relay Parts for a 2021 BMW 228I
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 A/C Refrigerant Pressure Switch .
Frequently Asked Questions
How many electrical switch & relay parts fit the 2021 BMW 228I?
Our catalog currently lists 15 electrical switch & relay parts for the 2021 BMW 228I across 7 subcategories and 10 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 228I?
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 228I 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 228I?
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 228I
Electrical Switch & Relay Parts for Other BMW 228I Years
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