Remapped ecu for bmw e36 323i 19951999 upto 204bhp ews. Advance tuning performance howto sa design by greg banish isbn. Please add a detailed description of your setup in the notes section before you check out. Advanced tuning, author and calibration engineer greg banish provides the reader with the insight required to understand and tune modern efi systems. Tuning engines can be a mysterious art, all engines need a precise balance of fuel, air, and timing in order to reach their true performance potential. We outline each modification option and go into the benefits and weigh up the pros and cons of each. Bmw m52b25 engine reliability, problems and repair. The predecessor was the m50 engine and it was succeeded by the m54 in 2000.
You may be wondering what the best engine for your new or future e30 should be. The main difference between m50b25 and m50b20 is the fact that new version is equipped with larger pistons 3. Ive got a e36 323i with the m52b25, which also has the restrictive obd2 intake. For north american models, and with the exception of the z3, the m52 engine had a cast iron block. Installation manual 6cylinder single vanos vanos bmw.
T he m52b25 is basically a destroked version of the 2. The engine you have is the m52tu, midway between the m52 from e36s and the m54 which was the 325i and 330i m50 320325 e36 with and without vanos full power m52. The main difference between m52b25 and m52b28 is the fact that they have different crankshafts with lower stroke pistons and connecting rods. It belonged to new series of engines including m50b20, m50b24, s50b30 and s50b32. After reading something about a swap with the intakes improving the power of the engine by around 2030hp im. The bmw s52 engine is a high performance variant of the m52 which powered the american and canadian market e36 m3 from 19961999. Bmw m50b25 engine turbo, stroker, upgrades, oil, specs. The main difference between m52b20 and m52b28 is the fact that they have. My 1998 e36 320i bmw engine overheated,head gasket gone,cylinder head wapped and engine block wapped too. Purchase parts and peace of mind from ecs tuning for your next engine repair or overhaul. Bmw m52b25 engine turbo, tuning, stroker, mods, problems. Top end performance has been your source for the best prices on brand name, top quality car parts since 1994. Car engine must be cold to perform repair procedure.
The bmw m52 is a straight6 dohc petrol engine which was produced from 19942000. Looking at that pipe from above through the hole under back seat, that pipe is dry. The 5 most common bmw m52 engine problems bmw tuning. Us spec bmw engine reference chart for m50, m50 tu, m52. Right and left denotations are from car front at hood orientation. M52b20 engine is the first representative of new straight 6cylinder motors family which also includes m52b24, m52b25, m52b28 and s52b32. Buy chip tuning car performance chips and get the best deals. It was launched in the sedan body style, with the station wagon body style marketed as touring introduced in 1996. M50tu and m52 engine specifics will be labeled m50tu. Therefore, pro cedures in this book relating to the. The engine configuration is the same in these vehicles with the exception of the 330i which has a different intake with variable geometry.
You are gaining some low end torque, since the air is having higher velocity, because of the narrow runners, but you know i would go with topping up few more real horsepowerz, instead keeping it stock with some theoretical nms. The swap was about switching the original m52b25 intake with an. E46 328 coupe tuning ideas guys page 1 bmw general. This is the same tuning that comes with our obd2 turbo kit. Apr 26, 2011 on the weekend i observed fuel running down the fuel supply line only next to the fuel tank just after i started it from cold. Not all engine mods are effective and some need other modifications to work well. Bmw m50b25 engine reliability, problems and repair. Full rebuild, ported head, m54b30 cams, m50 intake, tuned on stock ms41 ecu more info on. Exhaust header will also help quite a bit, but ot will require to remove cats no good in my book. Terry mcgean hemmings muscle machines 20070401 if you are willing to spend the time learning the technology this will be a great book for your library. How to tune and modify engine management systems motorbooks. Bmw heaven specification database engine specifications for. The book explains the fundamentals of electronic engine tuning in an easy to follow and linear manner. Bmw m52b20 engine reliability, problems and repair.
We have a wide range of tuning articles covering all models of bmw from small engined 3 series family cars to large engine hot hatches z3 and executive cars such as the 6 and 7 series. The m50tu adopted the cylinder clearance and bore as well as the intake camshaft vanos camshaft adjustment system and the cylinder selective knock control, as well as crankshaft bearing caps and vibration dampers. There is a connection in between that goes from plastic pipe to rubber hose before co. Bmw e30e36 head gasket replacement 3series 19831999. This is the most comprehensive efi tuning and calibration book available and that is why it has sold in 36 countries worldwide and is used as the efi tuning text book by technical schools such as school of automotive machinists and studied by students at lincoln tech and. Bmw m52b20 engine turbo, tuning, stroker, oil, specs. The reader can go chapter by chapter or skip to whichever. Rather than double springs or springs that are much too stiff, resulting in increased resistance and wear, our springs are an engineered solution. Bmw m50m52 engine 325i328i tuning guide eurotuner magazine. Exhaust gasses are broken down to form other chemical compounds during the combustion process depending on the amount of fuel in the mix 15. The engine you have is the m52tu, midway between the m52 from e36s and the m54 which was the 325i and 330i m50 320325 e36 with and without vanos full power m52 320323328 e36s single. I took the head and block for skimming and was skimmed,so i assembled everything back together with a new head gasket. The basic romraider tuning interface software also includes an additional datalogger screen, and some very advanced functionality with it, but more on the logger function later. It had 315000kms on it when i picked it up several months ago, mustve been a reps car as itd clocked 250000km in just under 3 years and it still runs amazingly well.
A very easyish mod would be a diff from a smaller engine, like a 323 or. If the cooling system has failed at 80,000 to 100,000 miles and the engine has overheated, check the cylinder head for cracks and leakage. Obviously engine life is subjective to the circumstances, but i was wondering what the typical life miles of an e36 m52 engine is. Photo 111 bmw m50m52 engine 325i328i tuning guide in the march issue we tackled some common and notsocommon power adders for the s50 3. Chip tuned ecu, ews off bmw m52 e36 z3 e39 323i 523i 215hp. We prefer a call or email before we finalize the base tune. The bmw m52 is a straight6 dohc piston engine which was produced from 19942000. Bmw tuning tips and modifications maximise your bmws driving pleasure. I can\t go into details for this, because writing up a crankshaft change can get pretty crazy. Access free bmw m52 engine cup of tea in the afternoon, instead they. This custom valve spring kit goes far beyond typical performance bmw spring kits.
The 5 most common bmw m52 engine problems bmw tuning page 726. The fairly low weight of the engine makes the car feel. It was released in the e36 320i, to replace the m50. We can tailor the remap to your needs or put a standard tune on. On the weekend i observed fuel running down the fuel supply line only next to the fuel tank just after i started it from cold. E36 model and engine guide summit racing equipment. The main difference between m52b20 and m52b28 is the fact that they have different crankshafts. Thread in technical questions started by whitevandan, dec 10, 2011.
Valvecover gaskets also harden and require replacement at about 80,000 miles. The bmw e39 is the fourth generation of bmw 5 series, which was manufactured from 1995 to 2004. Bmw heaven specification database engine specifications. M52b25 engine belongs to a new m52 series which also includes. Bmw m52b25 engine belongs to a new m52 series which also includes m52b20, m52b24, m52b28 and s52b32.
M52b28 injectors will also come in handy as well as lightweight flywheel and ecu chip tuning. The 5 most common bmw m52 engine problems bmw tuning bmw m52 make a good tuning project engine and with carefully chosen sports parts like remaps, turbo kits and camshafts you will substantially increase your driving fun. Jun 11, 2012 photo 111 bmw m50m52 engine 325i328i tuning guide in the march issue we tackled some common and notsocommon power adders for the s50 3. Thats all you really need, no point going silly with the engine mods. Popular 6cylinder bmw m20b25 engine was replaced by new powerful and upgraded version of bmw m50b25 motor in 1990. This creates a vacuum leak that throws off engine tuning and may trigger a check engine light. Lets say the engine is well maintained, with consistent synthetic oil changes every 3k miles.
Valvecover gaskets also harden and require replacement at about. Within the m52 engine family, the m52b20 and m52b25 engines had a cast iron crankshafts. Getting started tuning your m52s52 with romraider openms41. E30 engine swap options rts your total bmw enthusiast. Prevent expensive damage to your oil pan and undercarriage with skid plates from ecs tuning. Based on the m50tu, the m52 engine had an aluminiumalloy crankcase with a closeddeck design, nikasil cylinder liners, double overhead camshafts, four valves per cylinder, variable intake camshaft timing bmws vanos and a maximum engine speed of 6500rpm. If the stock chip works and the new chip doesnt, then theres some type of mismatch. We can tailor this to your vehicle though and have seen upto 204bhp. Paul piola looks at the tuning potential of bmws m50m52 engine in the e36 325i and 328i. Bmw m50m52 engine 325i328i tuning guide paul piola looks at the tuning potential of bmws m50m52 engine in the e36 325i and 328i.
If your m52 or s52 is obd1 converted and you need turbo tuning, we recommend our obd1 turbo package. An aluminiumalloy block for a 20 kg mass reduction. This book explains how the efi system determines engine operation and how the calibrator can change the controlling parameters to optimize actual engine performance. The best turnkey tuning package for your obdi turbo m50, m52, s50 or s52 engine, period. Chassis model body years engine vanos liter valve stems block obd 1 or 2 e36 325i sedan 1992 only m50 b25 non vanos 2.
First published in 1989 as tuning new generation engines, this bestselling book has been fully updated to include the latest developments in fourstroke engine technology in the era of pollution controls, unleaded and lowlead petrol, and electronic management systems. Us spec bmw engine reference chart for m50, m50 tu, m52, m52. It also had a split intake boot, and blowing exhaust, so prob 220225bhp with that sorted, now got twin cherry bombs replacing the standard backbox and 320 3. This book explains how the efi system determines engine operation and how.
Torquecars take a look at the power plant of a car, the engine and examine the wide range of engine tuning options availble. M50, m52, s50, s52 race valvespring bmw tuning software. The e39 was replaced by the e60 5 series in 2003, however e39 touring models remained in production until may 2004. From a tuning stand point these vehicles differ only slightly with the exception of key maps. This whole m50 will be better for turboing craps really starting to get on my tits. The bmw s52 engine is a high performance variant of the m52 which powered the american and canadian market e36 m3 from 19961999 in 1998, the technical update m52tu upgrades included adding variable valve timing to the exhaust camshaft. In 1999, the m47 fourcylinder turbodiesel was introduced in the 520d model, which is the only e39 model to use a fourcylinder engine. M50, m52, s50, s52 race valvespring bmw tuning software by. Buy how to tune and modify engine management systems motorbooks workshop by jeff hartman isbn. Installation manual 6cylinder single vanos procedure e36, e34, e39 the following information is provided for reference purposes only and should be used at your own risk in no event shall or its members be liable for incidental, consequential, or special loss or damages of any kind however caused. Bmw e30e36 performance chip installation 3series 1983.
All these action will make it possible to get 210220 hp engine. May 24, 20 ive got a e36 323i with the m52b25, which also has the restrictive obd2 intake. If you read around outside of the uk there are plenty of places proving that, for the exact same set of mods thicker headgasket and decent stud bolts the 2. For easy identification, the m50tu engine 9395 has a silver metal valve cover, and the m52 engine 9699 has a black plastic valve cover. It was firstly introduced in 1994 and replaced its predecessor m50b20 engine.
The easiest way to increase the level of hp in bmw m52b25 engine is to purchase cold air intake system, m50b25 intake manifold along with camshafts of low duration 250250 deg and lift about 10 mm. I can\t go into details for this, because writing up. Compared to the m50tu, changes for the m52 included. Well here is a list for you to make a better informed decision. You probably have to change the computer to match the 1.