BMW 1724055 Engine Camshaft Position Sensor 850I 850CI

( Manufacturer Part Number: 1724055 ), ( Type: Camshaft ), ( Manufacturer Warranty: 1 Month )

Review BMW 850ci Engine Camshaft Position Sensor Oem fits E31 M70 1991–1994

The BMW 1724055 camshaft position sensor is a crucial component of the M70 engine found in BMW 5 Series models from 1991 to 1994, specifically in the 850i and 850ci variants. This sensor plays a vital role in the engine's ignition and fuel injection systems by accurately detecting the position of the camshaft's lobes.

This sensor is a magnetic type, meaning it uses a toothed wheel on the camshaft to generate a magnetic pulse, which is then detected by the sensor. The sensor converts this information into an electrical signal and transmits it to the engine control unit (ECU). The ECU uses this data to calculate the engine's crankshaft position and subsequently determine the correct ignition timing and fuel injection quantity for each cylinder.

The BMW 1724055 camshaft position sensor is designed to provide reliable and accurate readings under various operating conditions. It features a robust construction, with a high-temperature resistance that can withstand the extreme heat generated within the engine compartment. Additionally, it is engineered to resist the corrosive effects of engine oil and other harsh engine fluids.

The installation of this sensor is a straightforward process, typically involving connecting it to the wiring harness and securing it to the camshaft using the provided mounting hardware. However, it is strongly recommended that the replacement be performed by a qualified BMW technician or mechanic to ensure proper installation and functionality.

When it comes to maintaining your BMW's performance and longevity, a functioning camshaft position sensor is essential. A faulty sensor can lead to misfires, poor fuel economy, and potentially serious engine damage. By investing in a high-quality replacement like the BMW 1724055 camshaft position sensor, you can ensure your M70 engine continues to run smoothly and efficiently.

The BMW E31 850i/850Ci M70 engine uses a camshaft position sensor to monitor the position of the camshafts and trigger the spark plugs at the correct time. Replacing this sensor can help resolve various issues related to engine performance and misfiring. Here are some pros and cons of buying a BMW camshaft position sensor for a 1991-1994 850i/850Ci:

1. Improved engine performance: A faulty camshaft position sensor can lead to poor engine performance, including misfiring, rough idling, and stalling. Replacing the sensor can help restore optimal engine function.

2. Fuel efficiency: A malfunctioning camshaft position sensor can cause the engine to consume more fuel than necessary. Replacing the sensor can help improve fuel efficiency and save you money on gas.

3. Smoother driving experience: A faulty sensor can cause the engine to run unevenly, leading to a rough and jerky driving experience. Replacing the sensor can help provide a smoother and more refined driving experience.

4. Increased reliability: Replacing a faulty camshaft position sensor can help prevent potential engine damage and increase the overall reliability of your BMW.

1. Cost: Replacing a camshaft position sensor can be an expensive repair, with parts and labor costs ranging from $300 to $800 or more, depending on the labor rate and the specific sensor you purchase.

2. Time-consuming: The replacement process can be time-consuming, as it may involve diagnostic testing, removal of various engine components, and installation of the new sensor.

3. Availability of genuine parts: Genuine BMW camshaft position sensors can be difficult to find and may be more expensive than aftermarket alternatives. You may need to order the part from a dealer or wait for it to be shipped.

In conclusion, replacing a faulty camshaft position sensor in your BMW E31 850i/850Ci can help improve engine performance, fuel efficiency, and provide a smoother driving experience. However, the cost and time-consuming nature of the repair may be a deterrent for some. If you're experiencing issues related to engine performance, it may be worth considering this repair to prevent potential engine damage and increase the reliability of your BMW.

As for a recommendation, it's generally advised to use a genuine BMW camshaft position sensor if possible, as they are designed to fit and function optimally with your specific BMW engine. However, if you're looking for a cost-effective alternative, a high-quality aftermarket sensor from a reputable manufacturer may be a viable option. Ultimately, it's important to weigh the benefits against the costs and make an informed decision based on your specific needs and budget.

Details:

1991 BMW 850I E31. M70 ENGINE CAMSHAFT POSITION SENSOR. Shipping costs are only covered on a case-by-case basis. 1991 1996 BMW E31 850I 850Ci.

ENGINE: M70 5.0L V12 ENGINE.

part #: 1724055 prices

• $44.99-$175.49

specifications cashalif:

• for models: E31, M70
• for makes: Bmw
• for years: 1991-1994
• mpn: 1724055
• type: Camshaft
• manufacturer warranty: 1 Month

offer cashalif:

• options: Ship-to-home
• quantity: 1
• sold: 0
• started: November 4, 2025
• availability: In Stock
• best offers: True

payments cashalif:

• credit card: Discover
• wallet: Google-pay
• other

shipping cashalif:

• cost: $8.00
• service: Standard
• transit: 2-6 Days
• class: Standard
• type: Fixed

seller cashalif:

• rating: 99.5%
• city: Dallas, Texas
• # reviews: 373

general cashalif:

• Engines Engine Parts > Valvetrain Components > Camshafts
• condition: Used

returns cashalif:

• time: 30 Days
• paid by: Buyer
• policy: Returns Accepted

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