It is another 2.5-liter engine from N52 series which also includes N52B30 engine with ordinary layout and 6 cylinders. Includes model range, engines, transmissions, safety equipment, crash testing, features and updates. New unit has turned out to be modified version of N52 with improved cylinder block head equipped by direct injection. Not all BMW 6-potters are the same. The ticking noise of Hydraulic valve adjuster is a known problem with the N52 engine fitted with manufacturing date prior to November 2008. So, how do you know which engine you have? As the outgoing N52 and N53 were reliable engines, the BMW N20 had big shoes to fill, especially given its turbocharged design. Here are some common problems that any N55 Bmw car has shown over the years with or without a software tune installed on the factory engine management system (ECU/PCM/ECM) . 30EA 30E9 NOx catalytic converter aging In reality there was very very little performance improvement over the M54 I6 engine producing 225hp. NOx emulator. Post by a11y » Fri Nov 30, 2012 2:46 pm Hopefully you lot wont mind as technically this is my e90 330i, but it's the exact same N52 3000cc engine as in facelift e85/86s so hoping others on here might be able to shed some light on my problems. 1) You can share the VIN with the BAVauto advisors, who can then use the VIN to verify the engine in your BMW. N52 engine problems - sh*tloads of smoke, hesitation - HELP! BMW switched from Nikasil-coated cylinder walls to Alusil in 1996 to eliminate the corrosion problems caused through the use of petrol or gasoline containing sulphur. This 3-liter engine represents N53 series which also includes N53B25.This motor was firstly introduced in 2007 and replaced 3-liter N52B30 engine.New unit has turned out to be modified version of N52 with improved cylinder block head equipped by direct injection. The motor is based on aluminum block of cylinders which is equal to M54B30 with cast iron sleeves. BMW N54 engine reliability, problems and repair. Click HERE to order parts for your N51 or N52 BMW. We are 100% Independent of BMW AG any use of a BMW Trademark is to ensure customers can identify their make and model of vehicle. BMW N53B30 engine reliability, problems and repair. 2007 BMW 3-series inline-6 N52 engine. The Canadian 323i has the 2.5L version (N52B25), while the 325i, 328i and 330i models come with different versions of the 3.0L N52B30 engine (UL, M1 and OL respectively). This motor was firstly introduced in 2007 and replaced 3-liter N52B30 engine. So I am looking at the new line of engines coming out and looking back at the N52 and the engine it replaced and although technically it has some really cool items, functionally it seems like one of the most disapointing engines bmw ever made. Hydraulic valve adjuster problems. BMW’s N52 engine is one of its most successful, and most produced inline-6 engines. Powerful straight-6 twin-turbocharged N54 (N54B30) was developed by Alpina in 2006 for fast BMW autos and crossovers. N52 Engine: The North-American 323 (Canada only), 325, 328 and 330 models come with the N52 inline-6 DOHC engine. 2) Under the engine hood, the emissions control information sticker will note if the vehicle is a LEV or ULEV (N52) or SULEV (N51). Bmw N55 common problems — GT-innovation | Welcome to Gt-innovation. The N52 was predominately found in the E90 325i, 328i and 330i, and the E60 525i and 528i models, as well as various others such as the 128i, X1, and Z4 to name a few. ... BMW has since solved this problem of course ... Our recently launched F10 5-Series 523i comes with the N52 engine instead of the N53 engine. Are you a new Bmw owner and your car is equipped with the n55 engine? There are a total of four N5x engines in active use right now – the normally aspirated N52 and N53 as well as the turbocharged N54 and the N55.