2006-2013 BMW N51 N52 6-Cyl Exhaust Camshaft with Bearing Shelf Tray E90 E92 OEM. JavaScript is disabled. The N52 and N53 exhaust cam opens about 12-14 degrees sooner than a N54/N55 exhaust cam, if I decide the N52/53 and N54/55 are to close at the same time. Multiple the lobe lift provided by the N52 cam by the N55 roller ratio of 1.72 and you get a resulting valve lift of 10.03mm (5.83mm * 1.72 ==> 10.03mm). This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. When I made my post I was pointing out that the n55 roller ratio has to be different when you were assuming it to be the same... Not sure what point you're trying to make. I'm pretty sure Marty knows what he is talking about. And while the logging parameter is missing from the log. This part is listed by BMW as BMW part number 11127531224 (11 12 7 531 224) and is described as Genuine BMW Bearing Ledge Exhaust. That makes sense as it doesn't increase peak power 100whp, but in certain areas it defintely can. Load req and Load actual ram. The Active Autowerke N52 Performance Exhaust Header is specifically designed for BMW chassis which utilize the N52 inline 6-cylinder engine. A Race cam makes it harder when driving around busy urban areas. 2008 bmw 328i (e90) 3.0l n52 engine exhaust cam camshaft timing gear phaser. Exhaust Camshaft. $78.99. $249.99 + shipping. Condition and mileage of the vehicle is unknown. The N52 replaced the BMW M54 and debuted on the E90 3 Series and E63 6 Series.. Even on the twin turbo N54 engine we are hesitant to recommend exhaust for performance benefits. Not a single number you've posted thus far has been correct so I'm not sure what you've measured... all you've posted is assumptions that appear to be incorrect. The N52 engine uses BMW’s VANOS system, which is a variable valve timing system. Have seen a couple of his videos before and he seems woefully uninformed. Most all of my research and work has been on the valvetronic intake side. So that’s five… between an exhaust, a tune, intake, intake manifold and a header, you can easily take a 218hp 325i to 270hp or more, making the N52 the naturally aspirated screamer six it was always supposed to be, something that lives up to the standard of the “Ultimate Driving Machine”. We detail the best approach to N52 tuning and show the optimum mods that work. Prevent timing failure by replacing your worn out camshaft Brand: ES#: 22337. What I did find with my own measurements was that while the N52 and N55 share very similar exhaust cam profile in their respective engines, there are some other part differences that will produce much different profiles when the cams are swapped. BMW N52/N54 Headbolt and Exhaust Cam Wear TSB. Need help understanding the PID tables in an MHD tune. Active Autowerke Performance Exhaust Header - E9X N52, 128i 328i. I think the bearing ledge is shared, but the exhaust camshaft itself is unique. I still doubt intake float from Headgames post. Quick view. So the N52 exhaust cam actually has less duration than both N54 and N55. N51/N52/N52N Intake & Exhaust Camshaft Sensor Triggers for Bosch Motorsport Management Systems. For removing and installing or updating the exhaust camshaft OEM No. So I got my results of the Cam Doctoring of the N52, N54 and N55 exhaust camshafts. Brand: ES#: 3448014. Need help understanding the PID tables in an MHD tune. From bummer boost. The VANOS solenoids are responsible for controlling how much oil flows to the cam gears, which in turn controls the opening and closing of the valves. Add to Cart Compare. MHD has a log parameter Boost arget ex that reaches beyond the regular boost target which maxes at 22.7psi. N52 Exhaust System. Sounded like they claimed to leave it "on the same boost setting" but aren't using a boost controller, so I dunno how that's true lol. Genuine BMW Cam Bearing Ledge - Exhaust - N52 N54 N55 3.0L Genuine BMW Bearing Ledge Exhaust When doing any sort of repair or maintenance there is no replacement for genuine factory parts. Full exhaust system performance gains can be up for debate (as with the N52 intakes). N52 is a naturally aspirated Inline-6 engine. The N52 was the first water-cooled engine to use magnesium/aluminium composite construction in the engine block. Other engines may have this same scenario, but it's not typical. The BMW N52 make a good tuning project and with the right modified parts like remapping, turbo improvements and camshafts you will definitely increase your driving pleasure. All the cams had the same cam lift- 0.230 +/- 0.002 which is right at 9.70mm. Further, Frankenturbo has n54 roller ratio as 1.667. interesting, i'd expect it to intervene with throttle closure once actual boost surpasses target.
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