This page lists 14 ignition parts for the 2021 BMW M8, across 4 part types, covering the 4.4L V8 Turbocharged engine. Every part shows its brand, manufacturer part number and fitment notes.
On the 2021 BMW M8, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. 13 parts of the 14 listed are Ignition Coil (7 parts), Camshaft Position Sensor (3 parts) and Crankshaft Position Sensor (3 parts). The other 1 part type covers the remaining 1 part.
Every part on this page is matched to the 4.4L V8 Turbocharged — the only engine offered in the 2021 BMW M8.
The most listed brands for 2021 BMW M8 ignition parts are WALKER PRODUCTS (2 parts), WELLS (2 parts) and HELLA (1 part), plus 9 more brands. Quality grades include Standard Replacement, Economy and Premium.
2 parts on this 2021 BMW M8 page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including SPECTRA PREMIUM C806 (Ignition Coil) and DELPHI GN10765 (Ignition Coil). Click any part number to see every vehicle that part fits.
Camshaft Position Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | 009168571 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 3-Pin ConnectorIncludes Seal | View on Amazon |
| WALKER PRODUCTS | 2351540 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Sensor Only | View on Amazon |
| WELLS | 5S16928 | 🇺🇸 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.
3 Camshaft Position Sensor parts are listed for the 2021 BMW M8, from HELLA, WALKER PRODUCTS and WELLS.
Part numbers include HELLA 009168571, WALKER PRODUCTS 2351540 and WELLS 5S16928.
Crankshaft Position Sensor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HOLSTEIN | 2CRK0712 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WALKER PRODUCTS | 2352068 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Sensor Only | View on Amazon |
| WELLS | 5S16172 | 🇺🇸 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.
3 Crankshaft Position Sensor parts are listed for the 2021 BMW M8, from HOLSTEIN, WALKER PRODUCTS and WELLS.
In the Economy grade, HOLSTEIN supplies 1 part: the catalog's value-priced group. A representative part number is HOLSTEIN 2CRK0712.
The Standard Replacement section lists 2 options from WALKER PRODUCTS and WELLS — built to original-equipment specification. WALKER PRODUCTS 2352068 is listed in this group.
Listed part numbers: HOLSTEIN 2CRK0712, WALKER PRODUCTS 2352068 and WELLS 5S16172.
Ignition Coil
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SPECTRA PREMIUM Popular | C806 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Ignition Coil Mounts to Cylinder Head | View on Amazon |
| ULTRA-POWER | UF798 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ÜRO PARTS | 12138611236 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DELPHI Popular | GN10765 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY | 1788613 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| DENSO | 6739334 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Direct Ignition Coil or Stick Coil | View on Amazon |
| STANDARD MOTOR PRODUCTS | UF798 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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.
7 Ignition Coil parts are listed for the 2021 BMW M8, from SPECTRA PREMIUM, ULTRA-POWER, ÜRO PARTS and 4 other brands. SPECTRA PREMIUM C806 carries the "Popular" badge.
Economy: 3 parts, from SPECTRA PREMIUM, ULTRA-POWER and ÜRO PARTS. A representative part number is SPECTRA PREMIUM C806.
The Premium section lists 1 option from DELPHI — a step above OE specification in materials, tolerances or warranty terms. DELPHI GN10765 is listed in this group.
The Standard Replacement section: 3 options from BECK/ARNLEY, DENSO and STANDARD MOTOR PRODUCTS. BECK/ARNLEY 1788613 is listed in this group.
This group includes SPECTRA PREMIUM C806, ULTRA-POWER UF798 and ÜRO PARTS 12138611236 and the remaining parts above.
Spark Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CHAMPION | 7429 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Double Platinum PowerPre-Set Gap: 0.032" | 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.
This group shows a single part: CHAMPION 7429.
Buying Ignition Parts for a 2021 BMW M8
On this vehicle, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules.
- Confirm you have the 4.4L V8 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, 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: Ignition Coil and Camshaft Position Sensor .
Frequently Asked Questions
How many ignition parts fit the 2021 BMW M8?
Our catalog currently lists 14 ignition parts for the 2021 BMW M8 across 4 subcategories and 12 brands, covering the 4.4L V8 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of ignition problems on a 2021 BMW M8?
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 M8?
Notes on this page include a 0.032" 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 M8 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 M8?
Every part on this page is matched to the 4.4L V8 Turbocharged engine. 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 M8
Ignition Parts for Other BMW M8 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.