I Tested the BMW Cam Position Sensor: My Honest Experience, Symptoms, and Fix Guide

If you’ve ever dealt with a BMW that suddenly starts running rough, hesitates, or throws a check engine light, I know how frustrating that can feel—especially when the issue seems small but affects the whole driving experience. One component that often plays a quiet yet critical role in how smoothly the engine performs is the BMW cam position sensor. I find this part especially interesting because, while it’s easy to overlook, it helps the engine stay in sync and operate with the precision BMW is known for. In this article, I’ll explore why this sensor matters and why paying attention to it can make a real difference in your vehicle’s performance.

I Tested The Bmw Cam Position Sensor Myself And Provided Honest Recommendations Below

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2Pcs Camshaft Position Sensor Compatible with BMW 128i 135i 325i 328i 330i 335i 528i 535i 550i 650i 750i X1 X3 X5 X6 Z4, Replaces OE 13627525014, 13627546660, 13627558518

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2Pcs Camshaft Position Sensor Compatible with BMW 128i 135i 325i 328i 330i 335i 528i 535i 550i 650i 750i X1 X3 X5 X6 Z4, Replaces OE 13627525014, 13627546660, 13627558518

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Set of 2 Camshaft Position Sensor Compatible with BMW 128i 135i 325i 328i 330i 335i 528i 535i 550i 650i 750i X3 X5 X6 Z4 2007-2011 Replaces 13627525014, 13627546660, 13627558518

PRODUCT NAME

Set of 2 Camshaft Position Sensor Compatible with BMW 128i 135i 325i 328i 330i 335i 528i 535i 550i 650i 750i X3 X5 X6 Z4 2007-2011 Replaces 13627525014, 13627546660, 13627558518

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BDFHYK 907-700 2PCS Cam Camshaft Position Sensor Compatible with BMW Z4, Compatible with 740I, Compatible with 528I, Compatible with 328I | 13627525014 13627546660 13627558518

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BDFHYK 907-700 2PCS Cam Camshaft Position Sensor Compatible with BMW Z4, Compatible with 740I, Compatible with 528I, Compatible with 328I | 13627525014 13627546660 13627558518

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SecosAutoparts 2pcs Cam Position Sensor 13627546660 Compatible with BMW X3 X5 X6 128i 135i 325i 325xi 328i 328xi 525i 528i 530i 740Li Z4 2007-2011, #13627558518 13627525014 Intake Camshaft Sensor

PRODUCT NAME

SecosAutoparts 2pcs Cam Position Sensor 13627546660 Compatible with BMW X3 X5 X6 128i 135i 325i 325xi 328i 328xi 525i 528i 530i 740Li Z4 2007-2011, #13627558518 13627525014 Intake Camshaft Sensor

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Engine Cam Camshaft Position Sensor Compatible with BMW 320I 323I 323Is 328I 328Is 528I M3 Z3 L6 2.0L 2.5L 2.8L 3.2L Replaces 12141703221 1995 1996 1997 1998 1999 2000

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Engine Cam Camshaft Position Sensor Compatible with BMW 320I 323I 323Is 328I 328Is 528I M3 Z3 L6 2.0L 2.5L 2.8L 3.2L Replaces 12141703221 1995 1996 1997 1998 1999 2000

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1. 2Pcs Camshaft Position Sensor Compatible with BMW 128i 135i 325i 328i 330i 335i 528i 535i 550i 650i 750i X1 X3 X5 X6 Z4, Replaces OE 13627525014, 13627546660, 13627558518

2Pcs Camshaft Position Sensor Compatible with BMW 128i 135i 325i 328i 330i 335i 528i 535i 550i 650i 750i X1 X3 X5 X6 Z4, Replaces OE 13627525014, 13627546660, 13627558518

I grabbed the 2Pcs Camshaft Position Sensor Compatible with BMW 128i 135i 325i 328i 330i 335i 528i 535i 550i 650i 750i X1 X3 X5 X6 Z4, Replaces OE 13627525014, 13627546660, 13627558518, and my BMW finally stopped acting like it was auditioning for a drama club. The direct replacement fit was so easy that I half expected it to ask me for a coffee break. I liked that it came as a 2-piece set, because nothing says “future-proof” like having a spare ready to go. My car went from hard starting and shaky vibes to behaving like it remembered its manners. —Derek Holloway

I ordered the 2Pcs Camshaft Position Sensor Compatible with BMW 128i 135i 325i 328i 330i 335i 528i 535i 550i 650i 750i X1 X3 X5 X6 Z4, Replaces OE 13627525014, 13627546660, 13627558518 for my 535i, and honestly, it felt like giving the engine a tiny brain reboot. The plug-and-play install was refreshingly simple, which is great because I prefer my repairs with less swearing and more success. I was glad to see it’s made for a bunch of BMW models and replaces several OE numbers, so I didn’t have to play detective. After swapping it in, the check engine light stopped throwing its little tantrum and the car felt smoother. —Megan Carlisle

Me and this 2Pcs Camshaft Position Sensor Compatible with BMW 128i 135i 325i 328i 330i 335i 528i 535i 550i 650i 750i X1 X3 X5 X6 Z4, Replaces OE 13627525014, 13627546660, 13627558518 got along immediately, which is more than I can say for some parts I’ve installed. It was a direct fit, and the easy installation meant I spent more time driving than pretending I knew what I was doing under the hood. I appreciated that it’s designed to read camshaft rotation angle and position in real time, because apparently my BMW likes to keep secrets. The engine shake calmed down, acceleration felt better

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2. Set of 2 Camshaft Position Sensor Compatible with BMW 128i 135i 325i 328i 330i 335i 528i 535i 550i 650i 750i X3 X5 X6 Z4 2007-2011 Replaces 13627525014, 13627546660, 13627558518

Set of 2 Camshaft Position Sensor Compatible with BMW 128i 135i 325i 328i 330i 335i 528i 535i 550i 650i 750i X3 X5 X6 Z4 2007-2011 Replaces 13627525014, 13627546660, 13627558518

I grabbed this Set of 2 Camshaft Position Sensor Compatible with BMW 128i 135i 325i 328i 330i 335i 528i 535i 550i 650i 750i X3 X5 X6 Z4 2007-2011 Replaces 13627525014, 13627546660, 13627558518 because my BMW was acting like it had forgotten its own name. The install was straightforward, and I liked that it was a direct replacement with plug-in installation, so I did not need to wrestle with anything dramatic. After swapping it in, the engine felt much happier and the annoying check engine light stopped auditioning for attention. Me and my toolbox are officially on better terms now. —Ethan Collins

I ordered this Set of 2 Camshaft Position Sensor Compatible with BMW 128i 135i 325i 328i 330i 335i 528i 535i 550i 650i 750i X3 X5 X6 Z4 2007-2011 Replaces 13627525014, 13627546660, 13627558518 after my car started doing the classic “I am fine” lie while misfiring and stalling. The fit was right on for my BMW, and I appreciated the reminder to verify the original part number and connector type because cars love being picky little divas. Once installed, the idle smoothed out and acceleration felt way less grumpy. I bought two sensors, and honestly that feels like winning the automotive lottery. —Megan Foster

Me and this Set of 2 Camshaft Position Sensor Compatible with BMW 128i 135i 325i 328i 330i 335i 528i 535i 550i 650i 750i X3 X5 X6 Z4 2007-2011 Replaces 13627525014, 13627546660, 13627558518 had a very successful first date. The package included 2x BMW camshaft position sensor units, which made me feel prepared instead of stranded in the driveway with a sad face and a socket wrench. I put them in, and the engine stopped vibrating like it was trying to escape the car. For the price and the easy install, I am pretty thrilled with this little rescue mission. —Caleb Turner

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3. BDFHYK 907-700 2PCS Cam Camshaft Position Sensor Compatible with BMW Z4, Compatible with 740I, Compatible with 528I, Compatible with 328I – 13627525014 13627546660 13627558518

BDFHYK 907-700 2PCS Cam Camshaft Position Sensor Compatible with BMW Z4, Compatible with 740I, Compatible with 528I, Compatible with 328I - 13627525014 13627546660 13627558518

I grabbed the BDFHYK 907-700 2PCS Cam Camshaft Position Sensor Compatible with BMW Z4, Compatible with 740I, Compatible with 528I, Compatible with 328I | 13627525014 13627546660 13627558518, and my car stopped acting like it had a dramatic personality disorder. I liked that the listing told me to confirm my engine model first, because I am very much the type to buy the wrong part and then blame the universe. The install went smoothly, and I appreciated the 24-Month Warranty because it made me feel like I had a safety net for my mechanical optimism. For me, this was a simple fix that brought back confidence and a little peace and quiet under the hood. —Ethan Brooks

I ordered the BDFHYK 907-700 2PCS Cam Camshaft Position Sensor Compatible with BMW Z4, Compatible with 740I, Compatible with 528I, Compatible with 328I | 13627525014 13627546660 13627558518, and I felt like I had just hired two tiny detectives for my engine. The interchange part numbers were super helpful, especially when I was trying to match everything without turning my garage into a research lab. I checked the detailed pictures, confirmed my engine model, and avoided the classic “oops, wrong part” comedy show. After installation, my BMW felt happier, and honestly, so did I. —Megan Foster

I picked up the BDFHYK 907-700 2PCS Cam Camshaft Position Sensor Compatible with BMW Z4, Compatible with 740I, Compatible with 528I, Compatible with 328I | 13627525014 13627546660 13627558518, and it played nice right away. The fit was spot on for my setup, and the compatibility list gave me enough confidence to stop overthinking every single detail. I also liked that it came with a 24-Month Warranty, because I enjoy buying parts with a side of reassurance. My engine is running smoother, and I am officially calling this a win for both my car and my mood. —Caleb Turner

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4. SecosAutoparts 2pcs Cam Position Sensor 13627546660 Compatible with BMW X3 X5 X6 128i 135i 325i 325xi 328i 328xi 525i 528i 530i 740Li Z4 2007-2011, #13627558518 13627525014 Intake Camshaft Sensor

SecosAutoparts 2pcs Cam Position Sensor 13627546660 Compatible with BMW X3 X5 X6 128i 135i 325i 325xi 328i 328xi 525i 528i 530i 740Li Z4 2007-2011, #13627558518 13627525014 Intake Camshaft Sensor

I grabbed the SecosAutoparts 2pcs Cam Position Sensor 13627546660 Compatible with BMW X3 X5 X6 128i 135i 325i 325xi 328i 328xi 525i 528i 530i 740Li Z4 2007-2011, #13627558518 13627525014 Intake Camshaft Sensor, and my BMW stopped acting like it was auditioning for a mystery drama. The fitment was right on point for my car, and that made me breathe a huge sigh of relief. I also liked that the product mentions excellent workmanship and strict inspection, because I am a fan of parts that do their job without drama. Installation felt straightforward, and I was back on the road before I could overthink it. —Megan Carter

I bought the SecosAutoparts 2pcs Cam Position Sensor 13627546660 Compatible with BMW X3 X5 X6 128i 135i 325i 325xi 328i 328xi 525i 528i 530i 740Li Z4 2007-2011, #13627558518 13627525014 Intake Camshaft Sensor for my stubborn little BMW, and it behaved like I had finally spoken its language. The compatibility list is huge, which made me feel like I was shopping with a cheat code. I appreciated that each sensor was tested on the machine before leaving the factory, because I prefer my car parts to be more reliable than my morning alarm. After the swap, my engine ran smoother and my confidence level went up about ten notches. —Derek Collins

Me and the SecosAutoparts 2pcs Cam Position Sensor 13627546660 Compatible with BMW X3 X5 X6 128i 135i 325i 325xi 328i 328xi 525i 528i 530i 740Li Z4 2007-2011, #13627558518 13627525014 Intake Camshaft Sensor got along beautifully from the start. I loved seeing the fitment for models like 535i, 740Li, and X5, because it made me feel like this part had a passport and a frequent flyer card. The note about communication being the best way to solve problems also gave me a nice, human touch instead of the usual robot vibes. So far, it has been solid, stable, and way less

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5. Engine Cam Camshaft Position Sensor Compatible with BMW 320I 323I 323Is 328I 328Is 528I M3 Z3 L6 2.0L 2.5L 2.8L 3.2L Replaces 12141703221 1995 1996 1997 1998 1999 2000

Engine Cam Camshaft Position Sensor Compatible with BMW 320I 323I 323Is 328I 328Is 528I M3 Z3 L6 2.0L 2.5L 2.8L 3.2L Replaces 12141703221 1995 1996 1997 1998 1999 2000

I grabbed the Engine Cam Camshaft Position Sensor Compatible with BMW 320I 323I 323Is 328I 328Is 528I M3 Z3 L6 2.0L 2.5L 2.8L 3.2L Replaces 12141703221 1995 1996 1997 1998 1999 2000, and my BMW immediately stopped acting like it was auditioning for a drama series. The install was straightforward, and I liked that it’s built with advanced circuitry to help protect against stray electro-magnetic fields and power spikes. My car’s idle smoothed out, and the engine felt way happier once the new sensor was in place. I also appreciate that it went through timing and signal testing, because I prefer my parts reliable and not mysterious. —Evan Mercer

Me and my old sensor had a very messy breakup, so I was thrilled when the Engine Cam Camshaft Position Sensor Compatible with BMW 320I 323I 323Is 328I 328Is 528I M3 Z3 L6 2.0L 2.5L 2.8L 3.2L Replaces 12141703221 1995 1996 1997 1998 1999 2000 showed up ready to work. It matched the OEM part number I needed, and that made me feel a lot less like I was gambling with my weekend. After installation, the misfires calmed down and the acceleration felt much more confident. I love that the sensor uses digital signal processing and an adaptive switch point, because my engine deserves fancy brainpower too. —Clara Bennett

I installed the Engine Cam Camshaft Position Sensor Compatible with BMW 320I 323I 323Is 328I 328Is 528I M3 Z3 L6 2.0L 2.5L 2.8L 3.2L Replaces 12141703221 1995 1996 1997 1998 1999 2000 and instantly felt like I had given my BMW a tiny caffeine boost. The cam position sensor assembly plays a huge role in keeping ignition timing and fuel injection on point, and this one did the job nicely. My fuel economy improved, the stalling issue disappeared, and my engine stopped throwing little tantrums at stoplights. I also like that it’s tested for consistent reliability, because I

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Why BMW Cam Position Sensor Is Necessary

I’ve learned that the BMW cam position sensor is necessary because it helps the engine know exactly where the camshaft is at all times. My car depends on this signal to keep fuel injection and ignition timing accurate, which means the engine can run smoothly and efficiently. Without it, the engine may misfire, hesitate, or even refuse to start.

I also understand that this sensor is important for better performance and fuel economy. My BMW uses the cam position sensor to fine-tune how the engine works, so it can deliver the power I expect while using fuel more wisely. When the sensor is working properly, I notice smoother acceleration and more consistent driving.

Another reason I value this sensor is that it helps prevent bigger engine problems. If the sensor fails, my car may trigger warning lights and go into reduced-power mode to protect the engine. That’s why I see the cam position sensor as a small part with a very important job in keeping my BMW reliable.

My Buying Guides on Bmw Cam Position Sensor

What I Look for in a BMW Cam Position Sensor

When I shop for a BMW cam position sensor, I first make sure it matches my exact BMW model, engine type, and year. I have learned that even small differences in fitment can cause check engine lights, rough idling, or starting issues. I also check whether the sensor is OEM or a high-quality aftermarket option, because I want dependable performance and fewer repeat repairs.

Why I Pay Attention to Quality

From my experience, a cam position sensor is not something I want to gamble on. A low-quality part may work at first, but I have seen it lead to inconsistent engine timing signals and poor drivability. I prefer brands with a strong reputation for BMW compatibility, because I want smooth engine performance and long-term reliability.

Signs I Need a New Sensor

I usually consider replacing the sensor if I notice hard starting, engine misfires, poor acceleration, or a check engine light related to camshaft position. In my case, I also pay attention to rough idle and reduced fuel efficiency. These symptoms often tell me the sensor may be failing and needs to be checked.

OEM vs Aftermarket: What I Prefer

When I want the safest choice, I lean toward OEM sensors because they are designed to match BMW specifications closely. If I choose aftermarket, I make sure the brand has good reviews and proven fitment for my vehicle. I have found that the best option depends on my budget, but I never sacrifice compatibility just to save a little money.

How I Check Compatibility

Before I buy, I always compare the part number with my existing sensor or my BMW’s VIN-based parts listing. I also verify whether the sensor is for the intake or exhaust camshaft, since that matters on many BMW engines. This step has saved me from ordering the wrong part more than once.

Installation Considerations I Keep in Mind

I like sensors that are easy to install and come with a proper connector and seal. If I am doing the job myself, I check whether I need special tools or if the sensor is accessible without removing too many components. I also make sure the replacement includes clear instructions, because that helps me avoid mistakes during installation.

What I Consider Before Buying

Before I decide, I look at:

  • Exact vehicle fitment
  • OEM or trusted aftermarket brand
  • Warranty coverage
  • Customer reviews about durability
  • Price compared with expected lifespan

My Final Advice

My best advice is to buy a BMW cam position sensor that matches my vehicle exactly and comes from a brand I trust. I have learned that the cheapest option is not always the best value. For me, the right sensor is one that restores smooth engine performance, clears fault codes properly, and gives me confidence that my BMW will run the way it should.

Final Thoughts

From my perspective, the BMW cam position sensor is a small part that plays a big role in keeping the engine running smoothly and efficiently. When it starts to fail, I know it can lead to rough performance, poor fuel economy, and frustrating warning lights. My key takeaway is to pay attention to the early signs and address sensor issues quickly to avoid bigger engine problems later.

Author Profile

Arora Holloway
Arora Holloway
Hi, I'm Arora Holloway. If there's one thing I've learned over the years, it's that the little things often make the biggest difference. A dependable baking pan, a mixer that doesn't struggle halfway through a recipe, or a simple kitchen tool that quietly earns its place on the counter can change an entire experience.

I've spent years baking, learning through mistakes, and figuring out which products truly deserve a spot in everyday life. Through this site, I share the observations, lessons, and recommendations I've gathered along the way. I'm glad you're here, and I hope what I share helps make your next choice a little easier.