50 Electrical bulb & socket parts are listed for the 2021 BMW X3, in 13 part types, covering all 3 engine options (2.0L L4 ELECTRIC/GAS Turbocharged, 2.0L L4 Turbocharged and 3.0L L6 Turbocharged). Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2021 BMW X3, the bulb and socket system covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination. Most of the listed parts are Fog / Driving Lamp Bulb (10 parts), Back Up / Reverse Lamp Bulb (7 parts) and Brake Light Bulb (6 parts). The other 10 part types cover the remaining 27 parts.
The 2021 BMW X3 was sold with 3 engines. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
6 brands supply electrical bulb & socket parts for the 2021 BMW X3, led by WAGNER (21 parts), SYLVANIA (10 parts) and PHILIPS (10 parts), plus 3 more brands. Quality grades include Standard Replacement, Extended Life and LED.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2021 BMW X3. 9 parts have it, including WAGNER 921LL (Back Up / Reverse Lamp Bulb) and SYLVANIA 7506LL (Brake Light Bulb). Each part number opens a page with every vehicle that part fits.
Back Up / Reverse Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Popular Fits: 2.0L L4 Turbocharged, 3.0L L6 Turbocharged | 921LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeWedge Base | View on Amazon |
| SYLVANIA Fits: 2.0L L4 Turbocharged, 3.0L L6 Turbocharged | 64136LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeBase Type: BAY9S | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Fits: 2.0L L4 Turbocharged, 3.0L L6 Turbocharged | 921WLED | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LEDWhite | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Popular Fits: 2.0L L4 Turbocharged, 3.0L L6 Turbocharged | 921 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Bulb Type: T-5 Bulb 5/8 (16mm) DiameterVoltage: 12.800 Volts (Direct Current) | View on Amazon |
| PHILIPS Fits: 2.0L L4 Turbocharged, 3.0L L6 Turbocharged | H21W | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| SYLVANIA Fits: 2.0L L4 Turbocharged, 3.0L L6 Turbocharged | 64136 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| WAGNER Fits: 2.0L L4 Turbocharged, 3.0L L6 Turbocharged | 64136 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the bulbs in the reverse lamps. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs.
7 Back Up / Reverse Lamp Bulb parts for the 2021 BMW X3 come from 3 brands — WAGNER, SYLVANIA and PHILIPS. The "Popular" part is WAGNER 921LL.
In the Extended Life grade, WAGNER and SYLVANIA supply 2 parts: grouped under the catalog's "Extended Life" designation — the notes column spells out what sets them apart. A representative part number is WAGNER 921LL.
The LED (instant-on, long life, energy-saving) section lists 1 option from WAGNER — grouped under the catalog's "LED (instant-on, long life, energy-saving)" designation — the notes column spells out what sets them apart. WAGNER 921WLED is listed in this group.
In the Standard Replacement grade, WAGNER, PHILIPS and SYLVANIA supply 4 parts: built to original-equipment specification. A representative part number is WAGNER 921.
This group includes WAGNER 921LL, SYLVANIA 64136LL and WAGNER 921WLED and the remaining parts above.
Brake Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: 2.0L L4 Turbocharged, 3.0L L6 Turbocharged | 7506LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeBase Type: BA15S | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 2.0L L4 Turbocharged, 3.0L L6 Turbocharged | 7506ST | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Cool WhiteSilver Star | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Popular Fits: 2.0L L4 Turbocharged, 3.0L L6 Turbocharged | 1156RLED | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | VisionLED | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Fits: 2.0L L4 Turbocharged, 3.0L L6 Turbocharged | H21W | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| SYLVANIA Fits: 2.0L L4 Turbocharged, 3.0L L6 Turbocharged | 7506 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Base Type: BA15SWattage: 25.00 W | View on Amazon |
| WAGNER Fits: 2.0L L4 Turbocharged, 3.0L L6 Turbocharged | 64136 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Adaptive Lighting | View on Amazon |
This table covers the bulbs in the stop lamps. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs.
6 Brake Light Bulb parts for the 2021 BMW X3 come from 3 brands — SYLVANIA, PHILIPS and WAGNER. The "Popular" part is SYLVANIA 7506LL.
Extended Life: 1 part, from SYLVANIA. A representative part number is SYLVANIA 7506LL.
In the Extra Bright (improved visibility, but shorter life) grade, SYLVANIA supplies 1 part: grouped under the catalog's "Extra Bright (improved visibility, but shorter life)" designation — the notes column spells out what sets them apart. A representative part number is SYLVANIA 7506ST.
The LED (instant-on, long life, energy-saving) section: 1 option from PHILIPS. PHILIPS 1156RLED is listed in this group.
Standard Replacement: 3 parts, from PHILIPS, SYLVANIA and WAGNER. A representative part number is PHILIPS H21W.
This group includes SYLVANIA 7506LL, SYLVANIA 7506ST and PHILIPS 1156RLED and the remaining parts above.
Cornering Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Fits: 2.0L L4 Turbocharged, 3.0L L6 Turbocharged | 1255H7LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long Life | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Fits: 2.0L L4 Turbocharged, 3.0L L6 Turbocharged | 1255H7 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Halogen Capsule | View on Amazon |
This table covers the replacement bulbs for the Cornering Lamp. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs.
2 Cornering Lamp Bulb parts for the 2021 BMW X3 come from WAGNER.
Extended Life: 1 part, from WAGNER. A representative part number is WAGNER 1255H7LL.
Standard Replacement: 1 part, from WAGNER. A representative part number is WAGNER 1255H7.
Listed part numbers: WAGNER 1255H7LL and WAGNER 1255H7.
Daytime Running Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Fits: 2.0L L4 Turbocharged, 3.0L L6 Turbocharged | 7440LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeSingle Contact Wedge Base | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Fits: 2.0L L4 Turbocharged, 3.0L L6 Turbocharged | 7440 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Single Contact Wedge Base21.000 Watt | View on Amazon |
This table covers the bulbs used as daytime running lamps. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs.
WAGNER supplies both parts for the 2021 BMW X3.
The Extended Life section: 1 option from WAGNER. WAGNER 7440LL is listed in this group.
The Standard Replacement section: 1 option from WAGNER. WAGNER 7440 is listed in this group.
Listed part numbers: WAGNER 7440LL and WAGNER 7440.
Door Panel Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: 2.0L L4 Turbocharged, 3.0L L6 Turbocharged | 168LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentLong Life | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: 2.0L L4 Turbocharged, 3.0L L6 Turbocharged | 168 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
This table covers the replacement bulbs for the Door Panel Light. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs.
HELLA supplies both parts for the 2021 BMW X3.
The Extended Life section: 1 option from HELLA. HELLA 168LL is listed in this group.
The Standard Replacement section: 1 option from HELLA. HELLA 168 is listed in this group.
This group includes HELLA 168LL and HELLA 168.
Fog / Driving Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 2.0L L4 Turbocharged, 3.0L L6 Turbocharged | 64136LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeBase Type: BAY9S | View on Amazon |
| WAGNER Fits: 2.0L L4 Turbocharged, 3.0L L6 Turbocharged | 1255H11LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long Life | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Popular Fits: 2.0L L4 Turbocharged, 3.0L L6 Turbocharged | H11BLX | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BritelitePGJ19-2 Base | View on Amazon |
| WAGNER Fits: 2.0L L4 Turbocharged, 3.0L L6 Turbocharged | H11TVX | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Truview Plus1.733 Base | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Fits: 2.0L L4 Turbocharged, 3.0L L6 Turbocharged | H7USLED | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Ultinon Sport LED | View on Amazon |
| PHILIPS Fits: 2.0L L4 Turbocharged, 3.0L L6 Turbocharged | H7UEFLED | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Ultinon Essential LED | View on Amazon |
| WAGNER Fits: 2.0L L4 Turbocharged, 3.0L L6 Turbocharged | H11LED | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LED | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Popular Fits: 2.0L L4 Turbocharged, 3.0L L6 Turbocharged | 1255H11 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Bulb Color: Clear | View on Amazon |
| SYLVANIA Fits: 2.0L L4 Turbocharged, 3.0L L6 Turbocharged | 64136 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear | View on Amazon |
| WAGNER Fits: 2.0L L4 Turbocharged, 3.0L L6 Turbocharged | 1235H8 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Frontwith adaptive lighting | View on Amazon |
This table covers the bulbs in the fog and driving lamps. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs.
10 Fog / Driving Lamp Bulb parts are listed for the 2021 BMW X3, from WAGNER, SYLVANIA and PHILIPS. WAGNER H11BLX carries the "Popular" badge.
The Extended Life section: 2 options from SYLVANIA and WAGNER. SYLVANIA 64136LL is listed in this group.
The Extra Bright (improved visibility, but shorter life) section: 2 options from WAGNER. WAGNER H11BLX is listed in this group.
LED (instant-on, long life, energy-saving): 3 parts, from PHILIPS and WAGNER. A representative part number is PHILIPS H7USLED.
The Standard Replacement section: 3 options from WAGNER and SYLVANIA. WAGNER 1255H11 is listed in this group.
Headlamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Fits: 2.0L L4 Turbocharged, 3.0L L6 Turbocharged | 1255H7LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long Life | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Popular Fits: 2.0L L4 Turbocharged, 3.0L L6 Turbocharged | 1255H7 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits High BeamHalogen Capsule | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BOSCH Fits: 2.0L L4 Turbocharged, 3.0L L6 Turbocharged | H7GB | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Plus 120 Gigalight | View on Amazon |
| BOSCH Fits: 2.0L L4 Turbocharged, 3.0L L6 Turbocharged | H7PB | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Pure Light | View on Amazon |
| BOSCH Fits: 2.0L L4 Turbocharged, 3.0L L6 Turbocharged | H7PW | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Basic | View on Amazon |
This table covers the bulbs that light the headlamps. Typical signs include a dark lamp, a flicker over bumps, or a bulb that keeps failing on one side. Avoid touching a halogen capsule. Repeated failure in one socket is usually the socket or ground, not the bulb.
5 Headlamp Bulb parts are listed for the 2021 BMW X3, from BOSCH and WAGNER. WAGNER 1255H7 carries the "Popular" badge.
The Extended Life section: 1 option from WAGNER. WAGNER 1255H7LL is listed in this group.
The Standard Replacement section: 1 option from WAGNER. WAGNER 1255H7 is listed in this group.
3 ungrouped parts are not assigned to a grade, with the same engine-level match.
This group includes WAGNER 1255H7, WAGNER 1255H7LL and BOSCH H7GB and the remaining parts above.
Headlamp Socket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.0L L4 Turbocharged, 3.0L L6 Turbocharged | HP4355 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Handy PackBlack | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.0L L4 Turbocharged, 3.0L L6 Turbocharged | S900 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Connector Shape: Rectangleblack | View on Amazon |
This table covers the sockets that hold a headlamp bulb in the housing. Typical signs include a flicker over bumps, melted plastic, or a bulb that will not stay seated. Dielectric grease on the contacts slows corrosion. Do not force a bulb into a heat-damaged socket.
STANDARD MOTOR PRODUCTS supplies both parts for the 2021 BMW X3.
Listed part numbers: STANDARD MOTOR PRODUCTS HP4355 and STANDARD MOTOR PRODUCTS S900.
LED Bulb Adapter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Fits: 2.0L L4 Turbocharged, 3.0L L6 Turbocharged | CBH8H11H16 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | For H8 / H11 / H16 Bulb | View on Amazon |
This table covers the LED Bulb adapters.
One part is listed for the 2021 BMW X3 — WAGNER CBH8H11H16.
Parking Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Fits: 2.0L L4 Turbocharged, 3.0L L6 Turbocharged | 194LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeBulb Type: T-3-1/4 Bulb 13/32 (10mm) Diameter | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Fits: 2.0L L4 Turbocharged, 3.0L L6 Turbocharged | 194LEDW | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LEDGlass:Clear (T3-1/4), Number of Filaments:1, Watts:3.78 (0.16 cp), Base:Wedge (W2.1x9.5d) | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Fits: 2.0L L4 Turbocharged, 3.0L L6 Turbocharged | 194 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Wedge Base3.780 Watt | View on Amazon |
This table covers the bulbs in the parking lamps. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs.
WAGNER supplies the 3 Parking Lamp Bulb parts for the 2021 BMW X3.
The Extended Life section: 1 option from WAGNER. WAGNER 194LL is listed in this group.
LED (instant-on, long life, energy-saving): 1 part, from WAGNER. A representative part number is WAGNER 194LEDW.
The Standard Replacement section: 1 option from WAGNER. WAGNER 194 is listed in this group.
Listed part numbers: WAGNER 194LL, WAGNER 194LEDW and WAGNER 194.
Tail Lamp Bulb
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Fits: 2.0L L4 Turbocharged, 3.0L L6 Turbocharged | 1156RLED | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | VisionLED | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: 2.0L L4 Turbocharged, 3.0L L6 Turbocharged | 2825 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| PHILIPS Fits: 2.0L L4 Turbocharged, 3.0L L6 Turbocharged | H21W | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the bulbs in the tail lamps. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs.
3 Tail Lamp Bulb parts are listed for the 2021 BMW X3, from PHILIPS and HELLA.
LED (instant-on, long life, energy-saving): 1 part, from PHILIPS. A representative part number is PHILIPS 1156RLED.
The Standard Replacement section: 2 options from HELLA and PHILIPS. HELLA 2825 is listed in this group.
Part numbers include PHILIPS 1156RLED, HELLA 2825 and PHILIPS H21W.
Trunk / Cargo Area Light Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: 2.0L L4 Turbocharged, 3.0L L6 Turbocharged | 2825 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
This table covers the bulbs in the trunk or cargo-area lamp. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs.
One part is listed for the 2021 BMW X3 — HELLA 2825.
Turn Signal Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Popular Fits: 2.0L L4 Turbocharged, 3.0L L6 Turbocharged | PY21WLL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Longer LifeNatural Amber | View on Amazon |
| SYLVANIA Popular Fits: 2.0L L4 Turbocharged, 3.0L L6 Turbocharged | 7506LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeBase Type: BA15S | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 2.0L L4 Turbocharged, 3.0L L6 Turbocharged | 7506ST | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Cool WhiteSilver Star | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Fits: 2.0L L4 Turbocharged, 3.0L L6 Turbocharged | 1156ALED | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Ultinon LEDAmber | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Fits: 2.0L L4 Turbocharged, 3.0L L6 Turbocharged | H21W | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear | View on Amazon |
| SYLVANIA Fits: 2.0L L4 Turbocharged, 3.0L L6 Turbocharged | 7506 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Base Type: BA15SWattage: 25.00 W | View on Amazon |
This table covers the bulbs in the turn-signal lamps. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs.
6 Turn Signal Lamp Bulb parts for the 2021 BMW X3 come from 2 brands — PHILIPS and SYLVANIA. The "Popular" part is PHILIPS PY21WLL.
Extended Life: 2 parts, from PHILIPS and SYLVANIA. A representative part number is PHILIPS PY21WLL.
Extra Bright (improved visibility, but shorter life): 1 part, from SYLVANIA. A representative part number is SYLVANIA 7506ST.
The LED (instant-on, long life, energy-saving) section: 1 option from PHILIPS. PHILIPS 1156ALED is listed in this group.
Standard Replacement: 2 parts, from PHILIPS and SYLVANIA. A representative part number is PHILIPS H21W.
This group includes PHILIPS PY21WLL, SYLVANIA 7506LL and SYLVANIA 7506ST and the remaining parts above.
Buying Electrical Bulb & Socket Parts for a 2021 BMW X3
On this vehicle, the bulb and socket system covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination.
- Match the engine first. Every electrical bulb & socket part here is 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, replace bulbs in pairs so both sides age together, and put a smear of dielectric grease on the new socket contacts.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Fog / Driving Lamp Bulb and Back Up / Reverse Lamp Bulb .
Frequently Asked Questions
How many electrical bulb & socket parts fit the 2021 BMW X3?
Our catalog currently lists 50 electrical bulb & socket parts for the 2021 BMW X3 across 13 subcategories and 6 brands, covering all 3 engine options (2.0L L4 ELECTRIC/GAS Turbocharged, 2.0L L4 Turbocharged and 3.0L L6 Turbocharged). Each part is matched to the engine(s) it fits.
Do electrical bulb & socket parts differ between 2021 BMW X3 engines?
Yes. Every electrical bulb & socket part on this page is engine-specific. Each row shows which engine(s) it fits — use the filter at the top to hide the rest. 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 bulb & socket problems on a 2021 BMW X3?
Common symptoms include a lamp that flickers over bumps, melted or discolored socket plastic, or bulbs that keep failing early on one side. 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, replace bulbs in pairs so both sides age together, and put a smear of dielectric grease on the new socket contacts.
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 X3 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 X3?
First match the engine — each row shows which engine(s) the part fits. Then repeated bulb failure in one position usually means a socket or ground problem, not bad bulbs — replace the socket rather than chase it. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2021 BMW X3
Electrical Bulb & Socket Parts for Other BMW X3 Years
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