Bmw N42 Vs N46, The N42/N43/N45/N46 series motors were terrible.

Bmw N42 Vs N46, The N42/N43/N45/N46 series motors were terrible. N46 is a revised version of the n42, the motors look the same except n46 is more powerful producing 110kw and n42 produces 105kw n42 produced in the years 2002-2003 in the models,318i, 318ti, 318ci (overseas) BMW seri 3 E46 memiliki kode mesin M43, N42 dan N46. I'm having to rebuild the head on my N46 after only 130k - many fail much sooner than that. It was succeeded in 2004 by the N46 two litre and N45 1600cc. NEW UPDATED SITE! BMW N42 16 valve four cylinder engine design notes, list of common problems, photos and all known versions and sizes. Lebih baik beli dengan kode mesin apa? Begini penjelasan detailnya, simak sebelum beli. 0L and it produce 140BHP. uk/forum/f18/2004-e46-316ti-engine-type-n42-or-n46-t48102/ I've also had one in at work that the timing slipped on and the customer had it towed away because they couldn't afford to get it fixed! The BMW N43 is a naturally aspirated four-cylinder petrol engine which was sold from 2006 to 2013. BMW had pioneered Valvetronic technology on the N42 engine, it's worth reading that page first to understand the system. The only difference is that the VVT is external on the N42 and internal on the N46. N42 engine has a little metal round thing on engine (left side) and a big circular black thing next to it, the N46 has not got either of those parts. My mechanic mate says these are better than the n42's as there more reliable and easier to work on. How VANOS unit works and how to disassemble it: • Inspecting & Cleaning VANOS - N42/N46 VALV Now , I do like and enjoy the way the E46 drives , but I'm facing a lot of problems . BMW seri 3 E46 memiliki kode mesin M43, N42 dan N46. Kaufberatung Reihenvierzylinder-Benzinmotoren: N46-Motor (2005. N46 is a revised version of the n42, the motors look the same except n46 is more powerful producing 110kw and n42 produces 105kw n42 produced in the years 2002-2003 in the models,318i, 318ti, 318ci (overseas) There were several BMW E46 cars in the shop with different engines, so we decided to make a brief overview of each one. [1][2] The N42 serves as the basis for the smaller N40 engine (which does not have Valvetronic). Expect to do valve stem seals and check for chain rattle. I have seen a few with the N46 for breaking. We are specialists in rebuilding and maintaining these engines. May 17, 2011 · Back on the 318i bandwagon, I would like to understand what the difference with these engines are. Re: Difference btw M43 and N42 engine for E46? So as to say there is not much difference in terms of technical specs for e 2 engines but is just that the earlier e46 uses M43 where the later E46s uses N42. 7 cu-in capacity. Some people are saying that the N42 2. Nein M43!. But both of them are vanos engine am i rite? The M43 is 1. [1] The N46 serves as the basis for the smaller BMW N45 engine (which does not have Valvetronic). We discuss common issues, reliability concerns, and maintenance tips to keep your There were several BMW E46 cars in the shop with different engines, so we decided to make a brief overview of each one. [1] However the N43 was not sold in countries with high sulfur fuel, [2] therefore the N45/N46 engines remained in production alongside the N43. Porady z zakresu mechaniki, elektroniki, lakiernictwa, galerie samochodow BMW forumowiczow. In this video, we dive deep into the BMW E46 engine lineup, focusing on the N42 and M43 and M52tu, M54 engines. Dupa niste cercetari mai amanuntite am ajung la concluzia ca o masina care are 15 ani vechime nu mai renteaza la diesel, fiind foarte probabile aparitia problemelor la injectoare, turbo, egr s. On this forum many suggest the 318i (n42?) to be a minefield of problems. co. [2] As per the N42 and The fact there are still a good number of N42/46 engined BMWs out there shows they aren’t all bad however there is more of an inherent risk. See here for a N46 story Jon, http://www. The BMW N45 is a straight-4 DOHC piston engine which replaced the N40 and was produced from 2004-2011. The differences between the BMW N42 and the N46 are as follows: a different crankshaft, balancer shafts, connecting rods and a cylinder head cover, a redesigned intake manifold, a modified timing chain tensioner, new spark plugs and a generator, a Valvetronic control unit integrated into the ECU and some other little things. We discuss common issues, reliability concerns, and maintenance tips to keep your I can find it uses different manifolds and ecu tune, but also a few mentions if a different exhaust cam from 2007 onwards. Sind Sie absolut sicher, dass dies für Sie der richtige Teil ist? Senden Sie uns Ihre Fahrzeug-Identifizierungsnummer (FIN) und unsere hochqualifizierten Berater helfen Ihnen dabei! Lesen Sie mehr, um Artikelspezifikationen, Original Codes (OEM), Referenzen und Kompatibilitätstabelle zu sehen!. easy way of telling the difference. The N46 lists different Iridium both have vanos and valvetronic eccentric cam technology which works in conjunction with each other… What engine is in my BMW 320i? The BMW E90 3 Series 320i has a Inline 4, Petrol engine with 1995 cm3 / 121. Jun 27, 2025 · Compared with its N42 predecessor, the N46 features a revised crankshaft, intake manifold and valvetrain. In 2007, the N46 was updated, which was known as the N46N. I can find it uses different manifolds and ecu tune, but also a few mentions if a different exhaust cam from 2007 onwards. The N46 lists different Iridium The BMW N42 is a DOHC four-cylinder petrol engine which replaced the BMW M43 and was produced from 2001-2004. [1] It was produced alongside the BMW N46 engine and only sold in some countries, where vehicle taxes favoured small-displacement engines. Original Ansaugkrümmer Stellmotor BMW N42 N46 E90 E46 7511383 11617511383 Artikelzustand:. Also N46 has the typical timing chain tensioner problem of the N42 but not the other problems, as BMW combined the ECU and the valvetronic unit hybrid style. Compared with its N46 predecessor, the N43 features direct injection. N43, N52, N45, N46 N47 and many more. Oct 16, 2023 · A forum community dedicated to BMW E46, E90, and F30 owners and enthusiasts. Changes included the intake manifold, exhaust camshaft and the engine control unit was changed from Bosch Motronic version ME9. TT8089 - BMW N42, N46, N46T Engine Timing Tool Set Category Code: E Item Number: TT8089 Trade Price (incl. Common Problems and Maintenance. I'll try and get an N46, and if I don't find a good enough car then I'll resort to an N42 which I heard isn't that different, - would you know anything more about that? The BMW N46 is a straight-4 DOHC piston engine which replaced the N42 and was produced from 2004 to 2015. In this video, we will talk about the BMW engine lineup: M43, N42, M52TU, and M54, their features and differences. Get all the Info. Does anyone know what the difference is between the 2001 to 2003 N42 4 cyl engine and the N46 introduced in 2004 . What engine does my BMW E90 have? The E90/E92/E93 M3 is the only generation of M3 to be powered by a V8 engine. . Come join the discussion about M performance, turbo kits, engine swaps, builds, modifications, classifieds, troubleshooting, maintenance, and more! Nov 21, 2025 · A complete guide to the BMW N42 engine: reliability, common problems, efficiency, tuning potential, and what owners should expect from the E46’s four-cylinder. I'll try and get an N46, and if I don't find a good enough car then I'll resort to an N42 which I heard isn't that different, - would you know anything more about that? 120i - N46/N43 make it a waste of time? Jump to Latest 4. a. 40 EUR mystery engine teardown | BMW N42/N46 for beginners BMW 3 Series E46 Buyers guide +reliability (1998-2006) Avoid buying a broken used BMW E46 After a bit of googling about the N46 ECU, I've found the difference between the N42 and the N46 ECU: "The N42 has 1 computer each for control of the valvetronic system and the ECU and the N46 the valvetronic control unit is integrated into the ECU" The BMW N46 is a straight-4 DOHC piston engine which replaced the N42 and was produced from 2004 to 2015. Anyway , I have no idea about BMW or why the Heck there's different engines for the same car . What is the different between N42 & N46 wsonny Nov 2, 2012 Click here to become an Official Member of BMW Club Malaysia Download Form Home M43TU Motor solide . Compared with its M43 predecessor, the N42 features a DOHC valvetrain and variable valve timing (called VANOS by BMW). Forum milosnikow marki BMW. The N42 is less reliable than the revised N46, lets just put it this way, the N46 is the N42 with all the problems Ironed out, Both Great motors in my opinion but get a N46 if you can. Compared with its N42 predecessor, the N46 features a revised crankshaft, intake manifold and valvetrain. uk/forum/f18/2004-e46-316ti-engine-type-n42-or-n46-t48102/ I've also had one in at work that the timing slipped on and the customer had it towed away because they couldn't afford to get it fixed! In this video, we dive deep into the BMW E46 engine lineup, focusing on the N42 and M43 and M52tu, M54 engines. 0L is a bad engine and that I must sell the car or swap it with the older M43 engine I believe it's called that . Any help appreciated! How to check if VANOS adjustment units are locked on a BMW N42/N46 engine. [3] In 2011, as part of BMW's The BMW N45 is a naturally aspirated four-cylinder petrol engine which replaced the BMW N40 and was produced from 2004-2011. 00 Quantity: No. I assume there is only a minor difference but i've just fitted NGK plugs listed for the N42 not realizing I had the later N46 engine in my car . Explore the BMW E46 LCI 3 Series Sedan 318i 2001, 2002, 2003 detailed specs, including 0-60 mph times, horsepower, and handling data. The N45 is based on the N46, however it does not have balance shafts or Valvetronic (variable valve lift). I have a '99 318iSE and it has the old engine (M43). It was produced alongside the N46 and only sold in several countries, where vehicle taxes favoured small displacement engines. Jul 25, 2018 · They are almost identical. In 2007, the N46's successor - the BMW N43 - was introduced. Dec 29, 2024 · Differences of BMW N42 from N46 are as follows: another crankshaft, balancer shafts, connecting rods and cylinder head cover, redesigned intake manifold, modified timing chain tensioner, new plugs and generator, integrated Valvetronic control unit in ECU and some other small things. GST) $396. It replaced both the BMW N46 and BMW N45 engines. I was wondering if these are interchangable (I understand there is an internal difference). No. Easy to spot if you open the engine bay between the two. Das Triebwerk galt seinerzeit als technisch weit fortgeschritten, was neben der verbauten Doppel-VANOS . N42, N46, N46T, B18/-A, B20/-A/-B. O foarte lunga perioada am fost hotarat sa aleg intre N42 si M47 pe E46 ce urmeaza sa-l achizitionez. The BMW N46 is a naturally aspirated inline-four petrol piston engine which replaced the BMW N42 and was produced from 2004 to 2015. 6K views 4 replies 3 participants last post by 0l0dom0l0 Jan 11, 2017 D The BMW N42 is a straight-4 DOHC piston engine which replaced the M43 and was produced from 2001-2004. Any help appreciated! both have vanos and valvetronic eccentric cam technology which works in conjunction with each other… What engine is in my BMW 320i? The BMW E90 3 Series 320i has a Inline 4, Petrol engine with 1995 cm3 / 121. I ask as I still have my eye on a 2004 / 54 plate 318i sport. All T&E Tools are engineered and manufactured to the highest quality standards and are warranted to be free of defects in workmanship and materials. Done a quick search and i cant find the answer. A1156 - N42/N46 BMW Camshaft Alignment Tool T&E Tools manufactures and markets Professional Hand Tools, Specialty Service Tools and Workshop Equipment all to represent quality and value as a matter of policy. I am not after spec sheets which are plastered everywhere but more peoples experience and understanding. BMW E46 N42/N46 Valve Stem Seals - Replacement DIY Guide Disassembling and Cleaning with no special tools - N42/N46 VALVETRONIC Every BMW E46 Engine: Mechanical Overview and Ranking Going from a e46 330i to a e87 or e90 with a N46 motor is a backwards step in my opinion. Is this the case and how do the two compare out of interest? Cheers Danny I decided to measure and test if the BMW's N42/N46 engine is interference or non-interference engine. What is the N42B20 Engine? Is it good or bad? Read about BMW N42B20 Engine design and features, its the most common problems and relaibility. From the weakest 4-cylinder M43 engine to the powerful 6-cylinder 3-liter M54B30. In contrast the six cylinder engines are beautiful. Can anybody verify this? Or is the the exhaust cam different in regards to the n42 that the n46 is built on? Info is very, very spotty on these little engines. Now , I do like and enjoy the way the E46 drives , but I'm facing a lot of problems . bimmerforums. 0:00 Intro0:20 Checking the valve relief on the pistons1 Hi everyone, I need to change the engine on my e46 318Ci convertible but having troubel sourcing an n42 engine. 8L will produce 115BHP while e N42 is 2. 47tax, 3ebfv, 8i8q, dz0s2, dh6p, fepup, helso, fg7z, e3n0, gu1zn,