N54 coldstart clatter/rattle noise (90sec.) - Das European Autohaus An occasional ticking or rattling noise from the camshaft hydraulic valve lifters (HVA) may occur during cold engine starts, due to frequent … I’ve had it in the dealer maybe 4 or 5 times for this issue and they don’t really seem to want to help. The purge valve on your car allows fuel vapors to be burned by the engine for emissions purposes. First time ever posting something. Car making ticking noise could be a normal affair depending on the design of the engine. Ticking Noise n52 engine ticking, serious problem, or not? GM has issued a service bulletin #10-06-01-007D to address Engine Ticking Noise When Cold on the vehicles listed below. Fuel injectors are small electrical valves that make clicking and ticking sounds when quickly opening and closing at idle. I recently just changed the oil with 5w-30 which is the 3rd oil change I have done and have used the same brand and viscosity. GM has issued a service bulletin #10-06-01-007D to address Engine Ticking Noise When Cold on the vehicles listed below. It doesn't have any ill effects. And between a certain rpm range. Eautorepair.net redraws factory wiring diagrams in color and includes the component, splice and ground locations right in their diagrams. This will clean off the valves which may be ticking in the background in chorus with the injectors. It makes no noise at idle. It is understood that the ticking was caused by an insufficient quantity of air-free oil for the HVA elements. Links to videos in first post. (N52, N51, N54, N55, N56, etc) that are used in most BMW models from the later 2000′s onward. My car has an automatic transmission. Recently the car was making a ticking noise under throttle above 2k. Video of our Stage 2 LPFP upgrade installation. Owners report the engine ticking noise is usually worse when the engine is cold. Exhaust side is good. • A low engine oil level or incorrect oil viscosity. These applications are of the “N” family of 6-cylinder engines (N52, N51, N54, N55, N56, etc) that are used in most BMW models from the later 2000′s onward. They include wiring diagrams and technical service bulletins. This valve will make a ticking noise at times. Clicking Noise When Cold. It is most prevalent during cold weather or on short trips. Id dump the techron in and let the car run for like 10-15 min and then do the sea foam cleaning. Now it's running fine. If this is only at idle, and only when cold, I don't believe long term damage will result. 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If I press and hold at like 2500, … The ticking noise appears when the engine has … It only does it when I rev up and continue increasing in rpm. The following tips will help you avoid the lifter ticking noise in your BMW. The procedure will take you through multiple checks, tests and visual inspections to determine what is causing the symptoms and fault codes on the BMW you are working on. Turbocharger Failure & Wastegate Rattle. Do you think this could be the EVAP pump? I then took it apart again and this time I reset the timing(it was off a bit with the crank), took out the port injection kit and swapped the intake manifold. Anyone is welcome! 10.7k members in the E90 community. Suggesting that it is not uncommon for BMW ’ s to tick, but there are solutions that helpful! Uses the factory with two turbos, four catalytic converters, a,... Jb4 or mhd while taking a log and see if your HPFP pressure rises that. 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