9 Ignition parts are listed for the 2025 BMW 540I, in 2 part types, covering the 3.0L L6 Turbocharged engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2025 BMW 540I, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. All 9 listed parts are Camshaft Position Sensor (5 parts) and Crankshaft Position Sensor (4 parts).
The 2025 BMW 540I came with a single engine, the 3.0L L6 Turbocharged, and every part is verified against it.
6 brands supply ignition parts for the 2025 BMW 540I, led by HELLA (2 parts), STANDARD MOTOR PRODUCTS (2 parts) and WELLS (2 parts), plus 3 more brands. Quality grades include Standard Replacement and Economy.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2025 BMW 540I. 1 part has it: HOLSTEIN 2CAM0303 (Camshaft 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 | 2CAM0303 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | 009121011 | 🇺🇸 US 🇨🇦 CA | 3-Pin ConnectorIncludes Seal | View on Amazon |
| HELLA | 009168571 | 🇺🇸 US 🇨🇦 CA | 3-Pin ConnectorIncludes Seal | View on Amazon |
| STANDARD MOTOR PRODUCTS | PC1054 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS | 5S15052 | 🇺🇸 US 🇨🇦 CA | 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.
5 Camshaft Position Sensor parts for the 2025 BMW 540I come from 4 brands — HELLA, HOLSTEIN, STANDARD MOTOR PRODUCTS and 1 other brand. The "Popular" part is HOLSTEIN 2CAM0303.
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, STANDARD MOTOR PRODUCTS and WELLS supply 4 parts: built to original-equipment specification. A representative part number is HELLA 009121011.
Part numbers include HOLSTEIN 2CAM0303, HELLA 009121011 and HELLA 009168571, among others listed above.
Crankshaft Position Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DELPHI | SS12377 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS | PC1197 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WALKER PRODUCTS | 2351541 | 🇺🇸 US 🇨🇦 CA | Sensor OnlyConnector Gender: Male | View on Amazon |
| WELLS | 5S16173 | 🇺🇸 US 🇨🇦 CA | 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.
4 Crankshaft Position Sensor parts for the 2025 BMW 540I come from 4 brands — DELPHI, STANDARD MOTOR PRODUCTS, WALKER PRODUCTS and 1 other brand.
Part numbers include DELPHI SS12377, STANDARD MOTOR PRODUCTS PC1197 and WALKER PRODUCTS 2351541, among others listed above.
Buying Ignition Parts for a 2025 BMW 540I
On this vehicle, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules.
- Confirm you have the 3.0L L6 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: Camshaft Position Sensor and Crankshaft Position Sensor .
Frequently Asked Questions
How many ignition parts fit the 2025 BMW 540I?
Our catalog currently lists 9 ignition parts for the 2025 BMW 540I across 2 subcategories and 6 brands, covering the 3.0L L6 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of ignition problems on a 2025 BMW 540I?
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 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 2025 BMW 540I 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 2025 BMW 540I?
Every part on this page is matched to the 3.0L L6 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 2025 BMW 540I
Ignition Parts for Other BMW 540I Years
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