7 Top BMW E90 Camshaft Position Sensor Replacements for Optimal Performance

Is your beloved BMW E90 acting a little quirky lately? Perhaps you’ve noticed a nagging “Check Engine Light” on your dashboard, or maybe your car just isn’t performing with the usual BMW precision. One common culprit behind these frustrations is often a failing BMW E90 camshaft position sensor. This vital component plays a huge role in your engine’s performance, ensuring everything runs smoothly.

Without a properly functioning camshaft position sensor, your engine’s computer (ECU) struggles to accurately time fuel injection and ignition, leading to all sorts of headaches like rough idling, misfires, reduced power, or even your car stalling out. Replacing a faulty sensor is a relatively straightforward fix that can bring your E90 back to life, restoring that smooth, powerful driving experience you love.

But with so many options out there, how do you pick the right one? Don’t sweat it! We’ve scoured the market to bring you our top 7 picks for the best BMW E90 camshaft position sensor replacements. We’ll dive into what makes each one stand out, helping you make an informed decision and get your BMW running like new again.

What Does a Camshaft Position Sensor Do Anyway?

Think of your camshaft position sensor (CPS) as the conductor of an orchestra. It monitors the rotational speed and position of your engine’s camshafts, which are responsible for opening and closing the intake and exhaust valves. This real-time data is then sent to your car’s Engine Control Unit (ECU).

The ECU uses this information, along with data from the crankshaft position sensor, to precisely control valve timing, fuel delivery, and spark ignition. This coordination is crucial for optimal engine performance, fuel efficiency, and emissions. When a camshaft position sensor starts to fail, this delicate dance gets thrown off, leading to noticeable performance issues.

Top 7 BMW E90 Camshaft Position Sensors

Let’s dive into our top recommendations, each designed to help your BMW E90 get back on track.

1. Set of 2 Camshaft Position Sensor Compatible with BMW…

This two-piece set is a fantastic option for BMW E90 owners looking for a comprehensive replacement solution. What makes it stand out is its broad compatibility across a wide range of BMW models and years, ensuring you’re likely covered if you own an E90 or other BMW series. It’s designed as a direct, plug-and-play replacement, making installation less of a headache for DIY enthusiasts. This set provides excellent value by addressing both camshaft sensors, which often need replacing around the same time.

• Key Features:

  • Includes two camshaft position sensors for intake and exhaust.
  • Wide vehicle fitment for various BMW models and years (including E90).
  • Direct OEM replacement with multiple cross-reference part numbers.
  • Designed for easy plug-in installation.
  • Comes with an 18-month warranty for peace of mind.

• Pros:

  • Great value as a two-piece set.
  • Ensures full camshaft sensor system replacement.
  • Simple, direct replacement design.
  • Extensive compatibility list.

• Cons:

  • Being an aftermarket option, some users might prefer an OEM brand for ultimate assurance.

• User Impressions: Many users appreciate the straightforward installation and the immediate resolution of their engine light issues. The value of getting two sensors at once is frequently highlighted, making it a popular choice for routine maintenance or when both sensors are suspect.
  See it on Amazon here

2. Bapmic 13627525014 CPS Engine Camshaft Position Sensor for…

Bapmic is a recognized name in the aftermarket auto parts world, known for providing reliable replacements. This particular BMW E90 camshaft position sensor from Bapmic is designed to meet or exceed OEM specifications, offering a dependable solution for your vehicle’s engine timing needs. It’s a single sensor replacement, ideal if you’ve pinpointed one specific faulty sensor.

• Key Features:

  • Direct fit replacement for OEM part number 13627525014.
  • Manufactured to meet or exceed original equipment standards.
  • Designed for accurate engine timing and optimal performance.
  • Offers a cost-effective alternative to dealership parts.

• Pros:

  • Reliable aftermarket brand.
  • Good balance of quality and affordability.
  • Precise fitment for specified BMW models.

• Cons:

  • Only a single sensor, so if you need both, you’d need to purchase two.
  • Less detailed feature information provided by the manufacturer compared to others.

• User Impressions: Users typically find Bapmic sensors to be effective and a good value. They often report that the part fits perfectly and resolves their check engine light and performance issues without breaking the bank.
  See it on Amazon here

3. HELLA 009121011 Camshaft Sensor for BMW

When it comes to automotive parts, Hella is a name synonymous with original equipment (OE) quality. This Hella camshaft sensor for BMW is not just an aftermarket part; it’s designed in cooperation with OE standards, meaning you’re getting a component that’s virtually identical to what your car had from the factory. For those who prioritize peace of mind and factory-level precision, this Hella sensor is definitely one to consider.

• Key Features:

  • OE Supplier – designed to exact original equipment standards.
  • Responsibly sourced materials for production.
  • ISO 9001 and Six Sigma Company certification, emphasizing quality control.
  • Ensures precise engine timing and reliable performance.

• Pros:

  • Exceptional OE-level quality and reliability.
  • Designed for perfect fit and function.
  • Trusted brand in the automotive industry.

• Cons:

  • Typically comes at a higher price point than generic aftermarket alternatives.
  • Only a single sensor is included.

• User Impressions: Customers often praise Hella for its superior quality and perfect fit, reporting that it resolves their issues definitively. While it might cost a bit more, the assurance of an OE product is a major draw for many BMW owners.
  See it on Amazon here

4. MUNIK 12147518628 Camshaft Position Sensor Crankshaft…

This MUNIK sensor offers a reliable aftermarket solution, specifically designed to replace several common BMW OEM part numbers. What sets MUNIK apart is their strong commitment to customer satisfaction, backing their products with thorough testing before they leave the warehouse and a 12-month return guarantee. This provides a good layer of confidence for buyers looking for a dependable replacement without the OEM price tag.

• Key Features:

  • Direct replacement for multiple OEM part numbers, including 12147518628.
  • Products tested for quality and reliability before shipping.
  • Easy self-installation design.
  • 12-month return guarantee for customer peace of mind.
  • Free return guarantee offered.

• Pros:

  • Good compatibility with various BMW models.
  • Strong emphasis on quality control and customer satisfaction.
  • Affordable option.
  • Easy to install for DIYers.

• Cons:

  • The “Crankshaft” in the product title can be a bit confusing, though it functions as a camshaft sensor replacement.
  • Less established brand compared to some others.

• User Impressions: Users appreciate MUNIK’s commitment to quality and their straightforward return policy. They often find the sensor to be a perfect fit and effective in resolving their engine issues, offering a cost-effective alternative to more expensive brands.
  See it on Amazon here

5. BDFHYK 907-700 2PCS Cam Camshaft Position Sensor Compatible…

Here’s another great two-piece set, this time from BDFHYK. This kit stands out due to its extremely extensive compatibility list, covering an enormous range of BMW models and years, including your E90. If you’re looking for a set of reliable aftermarket sensors that can fit almost any modern BMW with a failing camshaft sensor, this could be your go-to. The 24-month warranty also adds significant peace of mind.

• Key Features:

  • Includes two camshaft position sensors.
  • Remarkably broad compatibility with a vast array of BMW models (E90 and beyond).
  • Multiple interchange part numbers for wide applicability.
  • Comes with a generous 24-month warranty.
  • Emphasizes checking engine model before purchase.

• Pros:

  • Excellent value as a pair.
  • Very extensive compatibility list.
  • Long warranty period provides good assurance.
  • Direct replacement for many OEM parts.

• Cons:

  • As an aftermarket brand, some might question long-term durability compared to OE.

• User Impressions: Customers frequently highlight the perfect fitment and the ease of installation. The broad compatibility and the included warranty are major selling points, making it a popular choice for those needing a quick and reliable fix for their BMW’s check engine light.
  See it on Amazon here

6. 2Pcs Camshaft Position Sensor Compatible with BMW 128i 135i…

Similar to our first pick, this 2-piece camshaft position sensor set from IFATRUNK offers excellent value and convenience for BMW owners. What makes it noteworthy is its very clear articulation of symptoms and function, helping buyers understand exactly why they might need this replacement. It provides comprehensive coverage for common BMW E90 engine issues related to cam sensor failure, ensuring a smooth and easy installation process.

• Key Features:

  • Two-piece set for both intake and exhaust camshaft positions.
  • Extensive compatibility with various BMW models including E90.
  • Clear explanation of function and failure symptoms.
  • Multiple OEM and interchange part numbers for verified fit.
  • Plug-and-play installation for ease of use.

• Pros:

  • Provides two sensors for complete replacement.
  • Helps diagnose common issues effectively.
  • Direct fit and easy to install.
  • Good value proposition.

• Cons:

  • Warranty information isn’t as explicitly stated as some others, though customer support is offered.

• User Impressions: Reviewers often praise the straightforward installation and the immediate positive impact on engine performance. The inclusion of two sensors is a major plus, allowing them to replace both at once for preventative maintenance or full fault resolution.
  See it on Amazon here

7. CKP CMP Camshaft Position Sensor Crankshaft Position Sensor…

This unique offering from MUNIK is a comprehensive kit, providing both the Camshaft Position Sensor (CMP) and the Crankshaft Position Sensor (CKP). This is particularly valuable because these two sensors work in tandem, and sometimes issues with one can mimic the other, or both might need replacing. If you’re tackling multiple engine timing sensor issues or just want to cover all your bases, this combined kit is a smart choice. Like other MUNIK products, it comes with a 12-month guarantee.

• Key Features:

  • Includes both Camshaft Position Sensor (CMP) and Crankshaft Position Sensor (CKP).
  • Replaces multiple OEM part numbers for broader compatibility.
  • Products are tested for quality and reliability.
  • Designed for easy self-installation.
  • Backed by a 12-month return guarantee and free returns.

• Pros:

  • Comprehensive solution, addressing both CMP and CKP.
  • Ideal for thorough maintenance or complex diagnostic issues.
  • Quality tested by the manufacturer.
  • Strong customer support and return policy.

• Cons:

  • If you only need a camshaft sensor, this might be more than you require.

• User Impressions: Customers find this kit incredibly convenient, especially when facing multiple engine codes related to timing sensors. They appreciate the value of getting both critical sensors in one package, and the reliability of MUNIK’s product testing and guarantees instills confidence.
  See it on Amazon here

Frequently Asked Questions (FAQ)

Q1: What are the common symptoms of a failing BMW E90 camshaft position sensor?
A: You might notice your “Check Engine Light” illuminate (often with specific trouble codes like P0340 or P0341), rough idling, engine misfires, difficulty starting the car (especially when warm), reduced engine power, or your vehicle suddenly stalling.

Q2: Can I replace a BMW E90 camshaft position sensor myself?
A: Yes, for many BMW E90 models, replacing the camshaft position sensor is a job that a moderately skilled DIYer can tackle. It typically involves basic hand tools, but always consult a repair manual specific to your exact E90 model for precise instructions and sensor locations (as there are usually two – intake and exhaust).

Q3: How many camshaft position sensors does a BMW E90 usually have?
A: Most BMW E90 models, especially those with VANOS (Variable Valve Timing) systems, have two camshaft position sensors: one for the intake camshaft and one for the exhaust camshaft. It’s often recommended to replace both if one fails, or at least inspect both thoroughly.

Q4: What’s the difference between a camshaft position sensor and a crankshaft position sensor?
A: Both are crucial for engine timing. The camshaft position sensor (CMP) monitors the position of the camshafts to determine valve timing. The crankshaft position sensor (CKP) monitors the rotational speed and position of the crankshaft, which is directly connected to the pistons. The ECU uses data from both to ensure precise fuel injection and spark timing.

Q5: Is an OEM camshaft position sensor always better than an aftermarket one for my BMW E90?
A: Not necessarily. While OEM (Original Equipment Manufacturer) sensors are guaranteed to be a perfect fit and high quality, many reputable aftermarket brands produce sensors that meet or even exceed OEM specifications at a more affordable price. Brands like Hella, which supply to OEMs, offer excellent OE-level quality. It’s about choosing a trusted brand with good reviews and warranty.

Q6: How important is precise fitment for a BMW E90 camshaft position sensor?
A: Precise fitment is extremely important. The sensor needs to sit perfectly in its housing and have the correct connector to ensure accurate readings and a secure connection. Always double-check the OEM part numbers and vehicle compatibility listed by the manufacturer before purchasing to ensure it’s the right sensor for your specific E90 model and engine.

Q7: What tools will I typically need to replace a BMW E90 camshaft position sensor?
A: You’ll usually need a set of metric sockets and wrenches, a screwdriver (flathead or Phillips, depending on the sensor’s mounting), potentially a torque wrench, and possibly a flashlight for better visibility. Some jobs might require removing other components for access, so having a good repair manual is always a plus.

Get Your E90 Back on Track!

A failing BMW E90 camshaft position sensor can be a real headache, impacting your car’s performance and leaving you with that dreaded “Check Engine Light.” Thankfully, replacing it is a manageable task, and with these top 7 options, you’re well-equipped to choose a quality part that will get your BMW running smoothly again.

Whether you opt for an OE-level sensor from Hella, a value-packed two-piece set, or a comprehensive kit that includes both cam and crank sensors, you can find a reliable solution right here. Drive safe!