Slightly lift timing chain (1) and remove intake adjuster (2) from intake camshaft. During the control module's shutdown phase the diagnostic function monitors the barometric pressure sensor, intake-manifold sensor and the pressure sensor on the air-intake side of the throttle valve to determine whether they are all measuring the same pressure. 5T engine (S and non-S) boost source for installing your boost gauge or aftermarket diverter valve. Finally, an affordable intake system worthy of your S55 M3 and M4! The BMS Elite S55 Performance Intake retains everything that's good about the OEM intake including the cold air ducting and light weight heat shielding airbox bottom, but replaces the top end of the intake with higher flow ducting and quality inverted cone air filters to match. The right tool for a job makes all the difference. Max of 2 external damping adjustments, no electronic controls, +/- 1" length of OEM fully extended. We went into the installation with the plan of taking the extra steps on teardown to remove the intake manifold and see if the carbon buildup that happens on the N54/N55 was happening on this N20 because the owner noticed a bit of rough idle and I’ve been performing lots of walnut blasts on other cars recently so we had everything available. The hose from the separator runs along beside the intake manifold and attaches to the top of the throttle body (yellow arrow). It's a relatively easy system to install that supplements up to a 1 liter of fuel per minute at 20psi of boost and will support an additional 70-100whp on E85 on ethanol mixes. Are you looking for a BMW x5 CCV replacement for your vehicle? If so, the good news is that you don’t have to spend loads of money to buy an entire new cover anymore- we offer exclusive membranes for N51, N52, N52N, N52K, N53 valve covers for 11127548196, 11127552281 BMW. BMW N54 and N55 inline six cylinder manifolds are particularly prone to distribution problems due to their design. I need to know how many people will buy an intake manifold developed from my design. COBB has over 20 years of car tuning experience. At this point spring pressure should automatically separate the joint, otherwise tap it with a mallet. Will get some time on Saturday. Not all engines today use the PCV valve:.