Genuine BMW
BMW Direct Ignition Coil - Genuine BMW 12137841754
M3
Description
Details
- SKU:
- BMW-12137841754
- FCP Euro ID:
- 195181
- Made in:
- Italy
- Quality:
- Genuine
OE Numbers
- 12137841754, 12137838388
MFG Numbers
- N/A
Product Information
Genuine replacement direct ignition coil
Your BMW's direct ignition coil provides the power in order for your spark plug to "spark". If your BMW is suffering from a misfire issue it is likely due to a worn ignition coil or bad spark plug. One way to test for a bad ignition coil is to swap the ignition coils and see if the misfire follows the misfire.
Note: The ignition coils used in the S65 engine are far from standard ignition coils. In order for the S65 engine to make maximum power at close to 8400 RPM's continuous ignition monitoring is required more than what traditional acoustic knock sensors can provide. The S65 engine uses an ionic current monitoring system derived from the S85 V10 which actively and continuously monitors combustion quality. Unlike the S85 engine which uses an inline control unit for each cylinder bank, the simplified system utilized on the S65 engine has incorporated the system in the individual ignition coils themselves. During ignition cycles, the measurement current is stored in a capacitor integrated in the ignition coil itself, and after ignition, is available at the spark plug electrode. In the S65, the ion current measurement and evaluation is also performed exclusively by the MSS60 DME.
Direct ignition coils are located directly over the top of the spark plug. In this ignition setup there is one ignition coil per spark plug and there are no spark plug wires. This ignition setup is often referred to as a coil on plug ignition system.
Coil on plug or direct ignition systems are pretty much used on all modern cars due to packaging, performance, emissions, and maintenance reasons. This ignition system is essentially maintenance free with the exception of spark plug replacements and the occasional coil replacement when compared to a traditional ignition system.
Direct Ignition Coil Failure Symptoms- Reduced fuel efficiency
- Reduced power output
- Misfires
About Genuine BMW
The original parts used by BMW to build your car are available as replacement parts under the “Genuine BMW” brand. When ordering a Genuine BMW part you are guaranteed to get the same part that you would pick up from your local dealerships part department. Genuine BMW parts have been built to BMW’s stringent standards and are the same quality of the original parts used to build your Ultimate Driving Machine.
You may not realize this, but the parts that make up your BMW are not necessarily manufactured by BMW. No cause for concern, as BMW designs the part, hires a manufacturer, and ensures its quality to you. In fact, many of these manufacturers have been making parts for BMW for decades. In our industry these manufacturers are called OEM (Original Equipment Manufacturers), and these are often brands you recognize, including Lemforder, ZF, Sachs, Bosch, Valeo, Zimmermann, Siemens VDO, Corteco, and more. Don’t be surprised to open that Genuine BMW parts box and find an OEM branded part inside, simply with the addition of a BMW logo.
Be sure to keep an eye out for OE tags on our product pages to quickly identify parts coming direct from OE manufacturers. That extra bit of insight could save you some serious money while shopping! Refer to our OE Academy for further information regarding the OE/OEM tags throughout the site.
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Product Reviews
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Questions & Answers
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