

Genuine BMW & MINI B38 B46 B48 B58 High Power Spark Plug - 12120040551
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Description
Genuine BMW & MINI B38 B46 B48 B58 High Power Spark Plug - 12120040551 is supplied as a Genuine BMW product for the applications or use described on this page. The existing product and compatibility information has been retained so the item can be checked before ordering.
Product details
- Brand: Genuine BMW
- BMW part number: 12120040551
- Product type: Spark Plugs
Listed BMW compatibility
- Models: M140i, M240i, M340i, M440i
- Chassis codes: F20, F21, F22, F23
Product information
Experience superior engine performance with these genuine BMW & MINI B38 B46 B48 B58 High Power Spark Plugs for 116i, 320i, 530i, and 740i models. These high-quality spark plugs are designed to provide a powerful spark for improved fuel combustion, resulting in increased power and efficiency. Trust the experts at BMW to keep your engine running at its best.
PN: 12120040551
Fits all B38, B48 and B58 engine fitted in the models listed in the photograph. If you are unsure about compatibility please use the chat feature to contact us and we shall check for you.
For the common "Technical Upgrade" spark plugs fitted to the later generation B58 engines (Including M340i, M440i, X3M) please see the following listing. These are a common upgrade on M140i, M240i etc) :
Compatibility check
BMW compatibility can vary by model, chassis, production date, engine, factory options and existing equipment. Enter your VIN or registration before ordering so the part number and listed vehicle information can be checked.
Special-order notice: This product is ordered specifically for you as a special-order item. For this reason, returns, refunds or exchanges cannot be accepted unless the item is faulty or not as described. Please confirm compatibility before placing your order.
More information
Get Booked in for fitting here
Warranty, Shipping and Returns
Products are supplied with the applicable manufacturer warranty. We offer UK and worldwide shipping. Please refer to the live availability information and our shipping and returns policies before ordering. Contact us if you need to confirm compatibility, intended use or any product-specific conditions.
Finance Options
Available payment options and current terms are shown at checkout. Instalment options depend on the provider and eligibility. Please review the terms displayed before confirming your payment.
Why buy Genuine BMW?
Why buy Genuine BMW?
Why buy from us?
Why buy from us?
100% Genuine
100% Genuine
All of our BMW parts are 100% genuine, with no imitations or aftermarket alternatives. Check the listed part number and vehicle specification to confirm the correct fitment before ordering.
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Secure Payments
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
Specifications
- Brand
- GENUINE BMW
- Product type
- Spark Plugs
- SKU:
- 12120040551
- Part number
- 12120040551
- Vehicle make
- BMW
- Vehicle model
- M140i, M240i, M340i, and M440i
- Vehicle variant
- F20, F21, F22, and F23

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Need help?
Genuine BMW FAQs
Helpful answers before you order. Need more detail? Our team can help.
How do I confirm this part fits my vehicle?
Check the model, year, engine, chassis and any exclusions in the product description. Select the required option before adding to your basket. The vehicle selector helps narrow your search; contact us if your car has different factory options or existing modifications.
Does this include everything for the service?
Check the listed quantities and included components. Service requirements vary by engine and scheduled work. Contact us with your vehicle details and planned job if you need help identifying the required parts.
When will my order arrive?
Select your required option and check the live availability message above. Dispatch is when your order leaves us; delivery takes additional time and depends on the service and destination. If no verified lead time is shown, or you need the item for a fitting appointment or event, contact Nineteen72 Performance before ordering.
What is included in the price?
Check the product description, selected option and stated quantity before ordering. Images may show optional equipment or an example installation. If you need a matching pair, a complete kit or additional hardware, ask us to confirm exactly what is included.
How do I get help before ordering?
Contact Nineteen72 Performance with a link to this product and your question. For vehicle-specific parts, include your model, year, engine and any modifications that may affect compatibility.
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