BMW Exhaust Cam Sensor Diagnostics: Precision Repair & Maintenance
When it comes to maintaining optimal engine performance in BMWs, the exhaust cam sensor plays a vital role in ensuring precise valve timing and efficient exhaust gas management. This sensor monitors the position of the exhaust camshaft, relaying critical data to the engine control unit to regulate emissions and combustion efficiency. Faulty cam sensors can lead to misfires, reduced power, and increased emissions, affecting both drivability and environmental compliance.
Diagnosing and replacing an exhaust cam sensor requires specialized knowledge due to its integration within the exhaust system and proximity to high-temperature components. Common symptoms of a failing cam sensor include check engine lights, rough idling, and hesitation during acceleration. Professional diagnostics using OBD-II scanners and visual inspection help isolate issues before replacement.
For BMW owners, timely repair of the exhaust cam sensor ensures smooth engine operation, better fuel economy, and extended engine life. Using genuine OEM parts and following manufacturer service intervals prevents secondary damage. Prioritizing sensor health supports long-term reliability and preserves your BMW’s performance pedigree.
Don’t overlook this small but critical component—regular inspections and prompt replacement can prevent costly repairs and keep your BMW running at its best. Contact a certified BMW technician today for expert diagnosis and installation.
Maintaining your BMW’s exhaust cam sensor is key to preserving engine precision and reliability. Early detection of faults prevents costly repairs and supports optimal performance. Trust experienced technicians and quality parts to keep your vehicle running at its best—because every component counts in BMW excellence.
In today's video, I'll show you how to easily replace your BMW's intake and exhaust camshaft position sensors.These sensors are critical for maintaining prop. Camshaft Sensor - Exhaust Side - M52TU and M54 Engines This part is listed by BMW as BMW part number 12147518628 (12-14-7-518-628) and is described as OEM Electrical System Pulse Generator, Camshaft 12147518628. Learn how to replace BMW intake and exhaust camshaft position sensors with this step-by-step guide.
Faulty camshaft sensors can trigger check engine lights, cause rough idling, loss of power, and poor fuel economy. This tutorial applies to BMW engines N20, N26, N52, N52N, N54, and N55, commonly found in 3 Series, 5 Series, X Series, and Z Series models. We cover proper tools, sensor locations.
Figure 1 In this article, I'll go over the steps involved with replacing the camshaft position sensors on BMW E90 models. Be sure to work with a cool engine. The intake camshaft sensor is located at the front of cylinder head on the left side (green arrow).
The exhaust camshaft sensor is located at the front of cylinder head right side (yellow arrow) The procedure for both sensors is the same. Buy A-Premium Intake & Exhaust 2PCS Engine Camshaft Position Sensor Compatible with BMW 320i, 323i, 325i, 325xi, 328i, 328xi, 330i, 330xi, 335i, 335is, 335xi, X5. 8) Now attack the exhaust sensor.
It is in a similar position on the front of the N52's head, but far to the exhaust side. Unbolt the heater hoses' bracket, and disconnect the exhaust's VANOS solenoid (pull the shiny wire retainer to the front) to gain more room. 9) Removing and reinstalling this sensor is otherwise the same as for the intake.
Genuine BMW Exhaust Camshaft Position Sensor - E46 M3, E39 M5, MZ3, MZ4, Z8 Sensor for: Exhaust. One weak point on BMW engines for years has been the cam position reference sensor. On the S54 engine in the E46 M3, M Roadster, and Z4M, there is one sensor for each cam.
The sensor tells the computer the position of the cam on cylinder #1. Causes and Fixes P0015 Code: Exhaust "B" Camshaft Position Timing - Over - Retarded (Bank 1) How to Replace Intake Camshaft Position Sensor 2000. This article gives detailed instructions on replacing the camshaft position sensors in a BMW vehicle with the N52 6 cylinder engine.
Even though we used a 2006 530xi to perform this repair, this article can be applied to any BMW vehicle with the N52 engine including most 2004-2013 1, 3, 5, 6, 7, X1, X3, X5, and Z4 models minor modifications to the repair steps. Part Numbers: (2) Intake Camshaft Position Sensor: 12147539173 (2) Exhaust Camshaft Position Sensor: 13627796054 Installation On the S62 V8 found in the E39 M5, replacing the cam sensors is not a fun job. The sensors are located at the back of the valve covers, in between the engine and the firewall.