BOSCH SEAT-AT993X-E4-0261210047 Engine Camshaft Position 0-261-210-047 1.8L Sensor

( Brand: Bosch ), ( Manufacturer Part Number: SEAT-AT993X-E4-0261210047 ), ( Part Type: Engine Camshaft Sensor ), ( Oe/oem Part Number: 12141721504, 0k2b1-18-891, 0k2b118891 ), ( Manufacturer Warranty: 1 Year ), ( Ipn: 0 261 210 047 )

Review BOSCH Bmw 1.8l Engine Camshaft Position Sensor 0261210047 fits 318I

The **Bosch Seat AT993X-E4 (0261210047)** is a high-performance, precision-engineered camshaft position sensor specifically designed for the **BMW 318i (E46) with the 1.8L M44 engine**, ensuring optimal engine performance, fuel efficiency, and reliability. This sensor is a critical component of the engine s electronic control system, responsible for monitoring the position and rotational speed of the camshaft in real time. By providing accurate and instantaneous feedback to the engine control unit (ECU), it enables precise ignition timing, throttle response, and fuel injection control, which are essential for maintaining smooth operation and power delivery under varying driving conditions. Crafted with Bosch s renowned engineering expertise, this sensor incorporates a robust, corrosion-resistant design to withstand the demanding environment of an internal combustion engine, including exposure to heat, vibration, and engine oils. Its compact yet durable construction ensures a secure and reliable fit within the engine bay, minimizing the risk of signal interference or mechanical failure over extended periods of use. Whether installed in a daily driver or a performance-oriented vehicle, this sensor guarantees seamless integration with the BMW s onboard systems, helping to prevent misfires, rough idling, or check engine light warnings that can arise from sensor malfunctions. For BMW enthusiasts seeking a direct-fit, OEM-quality replacement, the **Bosch Seat AT993X-E4 (0261210047)** stands as a dependable choice, combining Bosch s reputation for quality with the precision required to keep the 1.8L M44 engine running at its best.

**Pros and Cons of buying a Bosch Seat-AT993X-E4-0261210047 Camshaft Position Sensor for a BMW 318i (1.8L Engine)**

1. **OEM Quality and Compatibility** This part is manufactured by Bosch, a well-known automotive supplier that produces high-quality sensors for BMW vehicles. The part number (0261210047) is specifically designed for the BMW 318i with the 1.8L engine, ensuring a proper fit and reliable performance.

2. **Reliability and Durability** Bosch components are generally built to last, reducing the likelihood of premature failure compared to aftermarket knockoffs. This sensor is designed to withstand the operating conditions of the engine, providing consistent readings for the ECU.

3. **Easy Installation** Since this is an OEM or high-quality replacement part, it should be straightforward to install, requiring minimal additional tools beyond basic automotive equipment. The sensor is typically a plug-and-play replacement for the original.

4. **Compatibility with Modern Diagnostics** Bosch sensors are designed to work seamlessly with BMW s engine control systems, including modern diagnostic tools. This reduces the risk of compatibility issues that can arise with cheaper aftermarket parts.

5. **Warranty and Support** Bosch offers warranties on its automotive parts, and many authorized dealers or online retailers provide return policies or guarantees, giving you peace of mind if the sensor fails prematurely.

6. **Prevents Engine Misfires and Performance Issues** A faulty camshaft position sensor can cause rough idling, poor acceleration, or even engine misfires. Replacing it with a reliable sensor restores proper engine function and prevents further damage to the engine or catalytic converter.

7. **Long-Term Cost Savings** While this part may be more expensive upfront than some aftermarket alternatives, its reliability can save you money in the long run by avoiding repeated replacements or costly engine repairs.

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1. **Higher Upfront Cost** Bosch sensors are more expensive than many aftermarket alternatives. For a BMW owner, this could be a significant investment, especially if the sensor was not the only issue causing the problem (e.g., a failing ignition coil or fuel injector could also be contributing).

2. **Potential Overkill for Minor Issues** If the camshaft position sensor is still functional but slightly degraded, replacing it with a new Bosch sensor might be unnecessary. In such cases, a thorough diagnostic check by a mechanic could confirm whether the sensor is truly faulty before purchasing.

3. **Limited Availability in Some Regions** Depending on where you purchase the part, availability may vary. Some online marketplaces or local auto parts stores might not stock this specific Bosch sensor, requiring you to order it, which could delay repairs.

4. **Installation Complexity (If DIY)** While the sensor itself is relatively simple to replace, accessing it may require removing components like the intake manifold or valve cover. If you are not experienced with engine work, this could lead to mistakes or damage to surrounding parts.

5. **Counterfeit Risk (If Purchased from Unverified Sources)** Buying from untrusted sellers (e.g., unscrupulous online marketplaces or eBay sellers with no reviews) could result in receiving a counterfeit or low-quality sensor. Always purchase from reputable dealers, authorized BMW parts suppliers, or well-reviewed online retailers.

6. **Potential for Other Underlying Issues** Replacing the sensor may temporarily resolve symptoms, but if the engine has other problems (e.g., worn spark plugs, vacuum leaks, or fuel system issues), the problem could recur. A full diagnostic check is recommended before and after replacement.

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The **Bosch Seat-AT993X-E4-0261210047 camshaft position sensor** is an excellent choice for a BMW 318i (1.8L engine) due to its high quality, reliability, and direct compatibility with the vehicle s systems. The pros far outweigh the cons for most owners, especially those who prioritize long-term performance and avoid repeated failures. However, the higher cost and potential for overkill if the sensor is only marginally faulty are valid considerations.

If you are experiencing symptoms like rough idling, check engine lights (P0340, P0342, or P0343 codes), or poor acceleration, replacing the sensor with this Bosch part is a wise investment. Always verify the sensor s condition with a diagnostic scan before purchasing, and consider having a mechanic confirm the issue if you are unsure.

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1. **Purchase from a Trusted Source** Buy the sensor from an authorized BMW parts dealer, a reputable online retailer (e.g., Amazon, RockAuto, or BMW-specific suppliers), or a local auto parts store with a good return policy. Avoid unknown sellers to prevent counterfeit parts.

2. **Verify the Symptom** Before buying, confirm that the camshaft position sensor is indeed the cause of your issues. Use an OBD-II scanner to check for relevant trouble codes (e.g., P0340 for camshaft position sensor malfunction). If other codes are present, address those first.

3. **Consider Professional Installation** If you are not comfortable working on your engine, have a mechanic install the sensor. This ensures proper handling and reduces the risk of damaging surrounding components.

4. **Check for Deals or Warranties** Some retailers offer extended warranties or discounts on Bosch parts. If possible, take advantage of these to further reduce risk.

5. **Monitor Performance After Replacement** After installing the new sensor, monitor the vehicle s performance closely. If symptoms persist or worsen, revisit the diagnostic process to rule out other issues.

**Final Verdict:** For most BMW 318i owners with a confirmed faulty camshaft position sensor, the **Bosch Seat-AT993X-E4-0261210047** is the best choice due to its reliability and compatibility. The investment is justified by its long-term performance and peace of mind.

Details:

Engine Electrical. Engine Mechanical. Window Regulators / Switches. Air Filters Intake Manifolds.

Oil Cooler, Lines Parts. Fuel Delivery System. Warranty: 1 Year unlimited miles. Door Handles - inside.

Windshield Washer System. Door Lock Actuators. Heat Air Conditioning Parts. Window Motors.

Side Mirrors Rear View Mirror. Radiator Fans Motors. Driveshafts Parts.

Interior Parts. Power Steering Pumps Parts. Interior Switches. Engine Transmission Mounts.

COMBINE SHIPPING discount is valid only for purchase items and pay in full at the same time. Sensors - Engine Management. Belts and Pensioners. Door Handles - outside.

Part Number: 261 210 047, 0.261.210.047, 07C906018H, 0K2B1-18-891,0K2B118891 Fitment: 1991 1992 BMW 318I Base 1.8, 1991 - 1991 318Is 1.8 Brand new OE GENUINE Camshaft Position Sensor, BULK WITHOUT ORIGINAL BOX. Confirm the item will install and operate properly before use or modification. For BMW 318I 1.8L Bosch Engine Camshaft Position Sensor: Brand New OE GENUINE. Item Not As , 3.

Tailgate Handles. Hoods / Supports. Ball Joints Control Arms. Lighting / Harness.

Ignition Coils Distributors. Warranty would be one time replacement.

part #: seat-at993x-e4-0261210047 prices

• $22.27-$66.22

specifications cranshafengin:

• for models: 318i
• for makes: Bmw
• brand: Bosch
• mpn: Seat-at993x-e4-0261210047
• part type: Engine Camshaft Sensor
• oe/oem part number: 12141721504, 0k2b1-18-891, 0k2b118891
• manufacturer warranty: 1 Year
• ipn: 0 261 210 047

shipping cranshafengin:

• transit: 4-9 Days
• cost: $0.00
• class: Economy
• service: Economy
• type: Fixed

payments cranshafengin:

• credit card: Diners-club
• wallet: Google-pay
• other

returns cranshafengin:

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

general cranshafengin:

• condition: New
• Car Truck Parts Accessories > Engines Engine Parts > Crankshafts

seller cranshafengin:

• city: Deerfield Beach, Florida
• rating: 99.5%
• # reviews: 44853

offer cranshafengin:

• options: Ship-to-home
• started: February 22, 2026
• availability: In Stock
• sold: 0
• quantity: 2

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