37 Ignition parts are listed for the 2021 BMW X4, in 4 part types, covering both the 2.0L L4 Turbocharged and the 3.0L L6 Turbocharged. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2021 BMW X4, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. Most of the listed parts are Camshaft Position Sensor (12 parts), Crankshaft Position Sensor (12 parts) and Ignition Coil (11 parts). The other 1 part type covers the remaining 2 parts.
The 2021 BMW X4 was sold with both the 2.0L L4 Turbocharged and the 3.0L L6 Turbocharged. 13 parts fit every engine; the other 24 are engine-specific. Each part shows which engine(s) it fits.
16 brands supply ignition parts for the 2021 BMW X4, led by WALKER PRODUCTS (6 parts), STANDARD MOTOR PRODUCTS (5 parts) and DELPHI (5 parts), plus 13 more brands. Quality grades include Standard Replacement, Economy and Premium.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2021 BMW X4. 10 parts have it, including HOLSTEIN 2CAM0303 (Camshaft Position Sensor) and DELPHI SS12009 (Crankshaft Position Sensor). Each part number opens a page with every vehicle that part fits.
Camshaft Position Sensor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HOLSTEIN Popular Fits: 3.0L L6 Turbocharged | 2CAM0303 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WALKER PRODUCTS Popular Fits: 3.0L L6 Turbocharged | 2351285 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Sensor OnlyIncludes Seal | View on Amazon |
| ASTEMO / HITACHI Fits: 3.0L L6 Turbocharged | CPS0160 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| HELLA Fits: 3.0L L6 Turbocharged | 009121011 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 3-Pin ConnectorIncludes Seal | View on Amazon |
| HELLA Fits: 3.0L L6 Turbocharged | 009168571 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 3-Pin ConnectorIncludes Seal | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 3.0L L6 Turbocharged | PC1054 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ASTEMO / HITACHI Popular Fits: 2.0L L4 Turbocharged | CPS0160 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| WALKER PRODUCTS Popular Fits: 2.0L L4 Turbocharged | 2351285 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Sensor OnlyIncludes Seal | View on Amazon |
| DELPHI Fits: all 2021 X4 engines | SS12339 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| HELLA Fits: 2.0L L4 Turbocharged | 009121011 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 3-Pin ConnectorIncludes Seal | View on Amazon |
| HELLA Fits: 2.0L L4 Turbocharged | 009168571 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 3-Pin ConnectorIncludes Seal | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.0L L4 Turbocharged | PC1054 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the sensors that report camshaft position to the ECU. Typical signs include a stall, a no-start, or a code for cam or crank correlation. Check the connector and the reluctor gap before replacing the sensor.
12 Camshaft Position Sensor parts for the 2021 BMW X4 come from 6 brands — HELLA, WALKER PRODUCTS, ASTEMO / HITACHI and 3 other brands. The "Popular" part is HOLSTEIN 2CAM0303. 1 part fits every engine; the other 11 are engine-specific.
The Economy section lists 1 option from HOLSTEIN — the catalog's value-priced group. HOLSTEIN 2CAM0303 is listed in this group.
In the Standard Replacement grade, HELLA, WALKER PRODUCTS, ASTEMO / HITACHI and 1 other brand supply 5 parts: built to original-equipment specification. A representative part number is WALKER PRODUCTS 2351285.
6 further parts sit outside the graded sections, with the same engine-level match.
Crankshaft Position Sensor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO Fits: 3.0L L6 Turbocharged | V20720204 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | M Competition or M Model | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DELPHI Popular Fits: 3.0L L6 Turbocharged | SS12009 | 🇺🇸 US 🇨🇦 CA | Trans. code GA8HP51X | View on Amazon |
| DELPHI Popular Fits: 3.0L L6 Turbocharged | SS12377 | 🇺🇸 US 🇨🇦 CA | M Competition or M Model | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 3.0L L6 Turbocharged | PC1197 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| WALKER PRODUCTS Fits: 3.0L L6 Turbocharged | 2352069 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Sensor OnlyConnector Gender: Female | View on Amazon |
| WALKER PRODUCTS Fits: 3.0L L6 Turbocharged | 2351541 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Sensor OnlyConnector Gender: Male | View on Amazon |
| WELLS Fits: 3.0L L6 Turbocharged | 5S16173 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DELPHI Popular Fits: 2.0L L4 Turbocharged | SS12009 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| KARLYN / BREMI / STI Fits: 2.0L L4 Turbocharged | 60468 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Bremi | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 2.0L L4 Turbocharged | PC1197 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| WALKER PRODUCTS Fits: 2.0L L4 Turbocharged | 2352069 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Sensor OnlyConnector Gender: Female | View on Amazon |
| WELLS Fits: 2.0L L4 Turbocharged | 5S16173 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the sensors that report crankshaft position and engine speed. Typical signs include a stall, a no-start, or a code for cam or crank correlation. Check the connector and the reluctor gap before replacing the sensor.
12 Crankshaft Position Sensor parts for the 2021 BMW X4 come from 6 brands — DELPHI, WALKER PRODUCTS, STANDARD MOTOR PRODUCTS and 3 other brands. The "Popular" part is DELPHI SS12009.
The Economy section: 1 option from VEMO. VEMO V20720204 is listed in this group.
Standard Replacement: 6 parts, from DELPHI, WALKER PRODUCTS, STANDARD MOTOR PRODUCTS and 1 other brand. A representative part number is DELPHI SS12009.
5 further parts sit outside the graded sections, with the same engine-level match.
Ignition Coil
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRENCO Fits: 3.0L L6 Turbocharged | 368369 | 🇺🇸 US 🇨🇦 CA | Includes 36-2176 Boot Kit | View on Amazon |
| SPECTRA PREMIUM Fits: all 2021 X4 engines | C983 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Ignition Coil Mounts to Cylinder Head | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ASTEMO / HITACHI Popular Fits: all 2021 X4 engines | IGC0189 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Coil on Plug | View on Amazon |
| DELPHI Popular Fits: all 2021 X4 engines | GN10882 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BOSCH Popular Fits: all 2021 X4 engines | 0986221124 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| BECK/ARNLEY Fits: all 2021 X4 engines | 1788564 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| DENSO Fits: all 2021 X4 engines | 6739208 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Direct Ignition Coil or Coil On Plug | View on Amazon |
| NGK Fits: all 2021 X4 engines | 49061 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: all 2021 X4 engines | UF750 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| UNITED MOTOR PRODUCTS Fits: all 2021 X4 engines | COP648 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| WALKER PRODUCTS Fits: all 2021 X4 engines | 9212347 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Single Coil | View on Amazon |
This table covers the coils that fire each spark plug. Typical signs include a misfire that follows one cylinder, a snap in damp weather, or a coil that is swollen or cracked. Swap a suspect coil with a neighbor to confirm, then replace boots that tore on the way off.
11 Ignition Coil parts for the 2021 BMW X4 come from 11 brands — PRENCO, SPECTRA PREMIUM, ASTEMO / HITACHI and 8 other brands. The "Popular" part is ASTEMO / HITACHI IGC0189. 10 parts fit every engine; the other 1 is engine-specific.
The Economy section: 2 options from PRENCO and SPECTRA PREMIUM. PRENCO 368369 is listed in this group.
In the Premium grade, ASTEMO / HITACHI and DELPHI supply 2 parts: a step above OE specification in materials, tolerances or warranty terms. A representative part number is ASTEMO / HITACHI IGC0189.
Standard Replacement: 7 parts, from BOSCH, BECK/ARNLEY, DENSO and 4 other brands. A representative part number is BOSCH 0986221124.
Spark Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BOSCH Fits: all 2021 X4 engines | 9787 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | OE Fine Wire Double Iridium | View on Amazon |
| NGK Fits: all 2021 X4 engines | 96206 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Laser Iridium High Ignitability | View on Amazon |
This table covers the spark plugs for this engine. Typical signs include misfire under load, rough idle, or a flashing check-engine light. Verify the gap even on pre-gapped plugs, and replace coil boots that come off a high-mileage engine.
2 Spark Plug parts are listed for the 2021 BMW X4, from BOSCH and NGK. All of them fit every engine offered in the 2021 X4.
This group includes BOSCH 9787 and NGK 96206.
Buying Ignition Parts for a 2021 BMW X4
On this vehicle, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules.
- Match the engine first. Some ignition 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, replace plugs and wires (or coil boots) as a set — one weak cylinder makes the whole set feel bad.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Camshaft Position Sensor and Crankshaft Position Sensor .
Frequently Asked Questions
How many ignition parts fit the 2021 BMW X4?
Our catalog currently lists 37 ignition parts for the 2021 BMW X4 across 4 subcategories and 16 brands, covering both the 2.0L L4 Turbocharged and the 3.0L L6 Turbocharged. Each part is matched to the engine(s) it fits.
Do ignition parts differ between 2021 BMW X4 engines?
Some do. 13 parts fit every engine; the other 24 are 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 ignition problems on a 2021 BMW X4?
Common symptoms include misfires under load, rough idle, flashing check-engine light, or poor starting in damp weather. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What spark-plug gap is listed for the 2021 BMW X4?
Notes on this page include a 0.030" pre-set gap. Still verify against spec — even “pre-gapped” plugs should be checked before they go in.
What should I replace at the same time?
Where labor overlaps, replace plugs and wires (or coil boots) as a set — one weak cylinder makes the whole set feel bad.
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 X4 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 X4?
First match the engine — each row shows which engine(s) the part fits. Then gap matters even on “pre-gapped” plugs — verify against spec, and replace coil boots when they come off a high-mileage engine. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2021 BMW X4
Ignition Parts for Other BMW X4 Years
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