Engines BMW series The M40 replaced the outdated M10 engine. The motor has been modified and modified in some parts. The designers decided to lighten the power unit for the sake of increasing dynamics.
Characteristics and features of motors
M40 engine received cast iron block and 8-valve head. Big plus for the engine was the presence of hydraulic lifters, which made it possible not to adjust the valves. Diameter intake valves 42 mm, exhaust 36 mm. Characteristics of BMW M40 camshafts: phase 244/244 rise 10.6/10.6 mm.
Along with the accumulated positive qualities, the motor received a belt that needs to be changed every 40 thousand kilometers. Of course, there is a high probability, in the event of a break, that the valves will bend.
The M40 engine was produced in two versions - 1.8 and 1.6 liters with markings M40V18 and M40V16.
Consider the main specifications M40 series motors:
Reduced version BMW engine M40.
Modifications of the M40V16 motor, which were produced in the history of its production:
Maintenance of the BMW M40 engine.
- M40B16 (1988 - 1991 onwards) - basic variation of the engine without a catalyst, power 102 hp at 5500 rpm, torque 143 Nm at 4250 rpm.
- M40B16 (1991 - 1994) - catalytic version, 100 hp at 5500 rpm, torque 141 Nm at 4250 rpm.
Service
Maintenance of M40 motors is no different from standard power units this class. Maintenance of engines is carried out at intervals of 15,000 km. Recommended maintenance should be carried out every 10,000 km. So let's look at the details technical card service:
Typical malfunctions
In principle, all motors are similar in design and characteristics. So let's look at what frequent problems can be found on the M40:
BMW M40 block head repair.
- Acceleration crashes. The reason for this negative effect is the nozzles that need to be cleaned.
- Oil leak. Occurs as a result of the breakdown of one of the gaskets.
- Knock. worn out camshafts or hydraulic lifters.
- floating turns. The DMRV sensor has failed or the throttle valve is clogged.
- Overheat. Common cause BMW faults. In this case, it is worth diagnosing the cooling system - thermostat, water pump or radiator.
- Does not start. The problem may be hiding in the fuel pump or spark plugs. It is worth checking the rest of the fuel system.
Output
The M40 engine is a fairly reliable and high-quality engine. All of them have high rating and respect for motorists, experts. Maintenance of the power unit can be carried out independently. As for repairs, it is recommended to contact a service station.
BMW engine M40B16
Characteristics of the M40V16 engine
| Production | Steyr Plant |
| Engine brand | M40 |
| Release years | 1988-1994 |
| Block material | cast iron |
| Supply system | injector |
| Type of | in-line |
| Number of cylinders | 4 |
| Valves per cylinder | 2 |
| Piston stroke, mm | 72 |
| Cylinder diameter, mm | 84 |
| Compression ratio | 9 |
| Engine volume, cc | 1596 |
| Engine power, hp / rpm | 100/5500 102/5500 |
| Torque, Nm/rpm | 141/4250 143/4250 |
| Fuel | 92 |
| Environmental regulations | - |
| Engine weight, kg | ~132 |
| Fuel consumption, l/100 km (for 316i E36) - town - track - mixed. |
10.2 6.1 7.5 |
| Oil consumption, g/1000 km | up to 1000 |
| Engine oil | 0W-30 0W-40 5W-30 5W-40 10W-40 15W-50 |
| How much oil is in the engine, l | 4.0 |
| Oil change is carried out, km | 7000-10000 |
| Operating temperature of the engine, hail. | 90-95 |
| Engine resource, thousand km - according to the plant - on practice |
- 300+ |
| Tuning, HP - potential - no loss of resource |
150+ n.a. |
| The engine was installed |
Reliability, problems and repair of the BMW M40B16 engine
Low volume in-line four-cylinder engine the BMW M40 series, was published in 1988 and was developed on the base, in which a crankshaft with a smaller stroke (it was 81 mm) and other pistons were installed, the connecting rods remained the same. M40 1.6 differ from 1.8 and intake manifold, throttle body, spark plugs and ECU. The cylinder head has not changed, still the same 8-valve single camshaft (SOHC), with hydraulic lifters valve clearances. The diameter of the intake valves is 42 mm, exhaust 36 mm. Characteristics of the M40 camshafts: phase 244/244 rise 10.6/10.6 mm.
Timing belt drive, the belt itself is not very reliable and does not have the proper width, as a result of whichhas a low resource. On average, the replacement of the timing belt and roller on the M40 is required every ~ 40 thousand km, otherwise, if it breaks, the engine bends the valve.
This motor has been used in BMW cars with index 16i.
A replacement engine appeared in 1993, in the face of a new and within two years, the 1.6-liter M40 completely gave way to an updated power unit.
BMW M40B16 engine modifications
1. M40B16 (1988 - 1991 onwards) - basic variation of the engine without a catalyst, power 102 hp at 5500 rpm, torque 143 Nm at 4250 rpm.
2. M40B16 (1991 - 1994) - version with a catalyst, power 100 hp at 5500 rpm, torque 141 Nm at 4250 rpm.
Problems and disadvantages of BMW M40B16 engines
Malfunctions of the M40B16 are no different from the shortcomings of the older, 1.8-liter, M40B18. You can get acquainted with the possible troubles in detail.
BMW M40B16 engine tuning
Stroker
It is worth making a reservation right away, tuning the M40 is far from the most profitable and successful investment, it is much easier to buy contract engine for example, swap and troubles not to know.
If your hands are reaching out to refine your 1.6 l, then the stroker is your choice. To increase the volume up to 2.1 l. you need to purchase a crankshaft from M47D20 (stroke 88 mm), machined pistons, connecting rods. Cylinder head, timing, intake, exhaust, ECU from M44 (or). All this together, together with a block bore up to 86 mm, will give 150-160 hp.
Turbocharging or blowing into the M40 with a compressor is an even more expensive and crazy thing to do, only the cylinder block will remain factory, and the output will not get too much power and lack of reliability.
This is the third generation of the 3rd series of the popular Bavarian manufacturer. And it was produced from 1990 to 2000. Despite the fact that the time period is rather short, over the years German concern managed to release a large number various models, each of which has its own characteristics and technical characteristics.
History
Before talking about the technical characteristics of this car, it is worth talking about how it was born. BMW Series The E36 began to be developed by engineers back in 1983, but the final design was approved only five years later, in 1988. Well, the presentation was held in 1990 in Europe, and a year later, in 1991, in Canada and the USA. An interesting fact is that the 1991 car was presented as a 1992 model. It is worth noting that bmw cars E36s were wildly popular. It was these cars that laid a very solid foundation for success - manufacturers continued to use them further to make their cars even more in demand and bought. The cars were really good, and in 1998 diesel version BMW E36 320d wins the 24 Hours of Nürburgring. Competitors were left far behind, and the "Bavaria" took the lead - due to low flow fuel.
Engine
Everyone knows that a car should be chosen first of all by its BMW E36 - this is a separate issue. by the most universal option is an inline six-cylinder engine. To his positive properties we can attribute not only its power, but also the fact that it is durable and hassle-free. Although there is, of course, a minus, and it consists in increased consumption oils. Sometimes it takes a liter per thousand kilometers. However, this does not threaten anything terrible. In the mid-nineties, the 325i and 320i were replaced by the 328i and 323i. What about the 323i engine? The first thing to note is the volume - almost 2.5 cubic centimeters. The power is not very large - only 168 hp. However, all the same, cars equipped with this engine were produced for three years. The 328i version is more powerful - the volume reaches 2.8 cm3, and the power has increased to 190 hp. By the way, maximum speed, which the model with this engine develops, is 240 km / h. But, of course, the most powerful option is the M3 - 3.2 cc, 317 Horse power, 250 km / h - this motor was a success, and it was produced until the closure of the series.
M 40 - an improved modification of the M 10
I would like to pay special attention to the BMW E36 M40. This is a model with a four-cylinder piston 8-valve which reaches 1.8 liters. Production of the M 40 began in 1987 and continued until mid-1994. During all this time, about 840 thousand power units were manufactured. M 40 replaced M 10 and, I must say, it was a worthy engine. It has become much more perfect and powerful. Firstly, its performance has increased, and secondly, the torque curve has become more favorable. The developers did not leave without attention and it was also improved. The design has become more compact and, finally, in general this engine turned out to be more economical than its previous version. But in order for the engine to last as long as possible, the belt should be replaced every 40 thousand kilometers. And, of course, change the oil on time - and only for high-quality. In order for the motor to serve faithfully, you need to take care of it.
Body
It's already a matter of taste. Some choose bmw coupe E36, others - a shortened "Compact" or a convertible. It all depends on the personal preferences of the potential buyer. However, if we talk about popularity, it should be noted that the most famous car is a sedan. Actually, that is why they are automotive market most. In principle, this body does not cause any complaints - it has a fairly high anti-corrosion protection. The most important thing is not to squeeze all the speed out of the car on bad roads, otherwise the suspension geometry will change, and this is not very good. Handling will become worse, and this affects not only how comfortable the driver will feel behind the wheel, but also on his safety.
Driving comfort
An important aspect that motorists rely on when choosing a car is how comfortable this or that model is to drive. The BMW E36 is distinguished by good driving qualities, and this is not at all surprising - with such and such technical characteristics. The car is quite reliable, but if there are some small problems (for example, backlashes in silent blocks), then you can’t ignore this - otherwise such a trifle can turn into something more and lead to serious damage. The interior is comfortable - it is spacious inside, and even many hours of driving will not tire the driver and passengers. luggage compartment It also comfortably accommodates several bulky suitcases. However, you should not purchase a model in the "Touring" body - it does not differ in the necessary capacity. However, this car looks quite presentable. Again, which body to choose - the potential buyer will decide, depending on their needs. For some, comfort is important, for others, prestige.
Car improvement
It should be noted one more topic regarding the BMW E36. Tuning - this aspect worries many motorists, no matter what car they own. It is worth noting that the owners of the E 36 often think that it is time to improve their “ iron horse”, despite the fact that this model has everything you need - and in technical terms, and externally. However, you always want something more. Well, it can be useful for. You can replace shock absorbers - those made by H&R, Bilstein B6 or Koni Sport will be a good alternative. You can replace the levers - often they choose those that are installed on the E 30 model. The fact is that there is no rubber in their ball bearings, due to which the E 36 becomes easier to manage. Many decide to replace the stabilizers, for example with H&R. This will reduce the load on the wheels. Aluminum spacers should also be installed. They are more expensive than steel, but much lighter and stronger. And finally, it will not be superfluous to install alloy wheels and all these slight changes will help to make the car better, increase its performance, power and reliability.
The best choice
Generally BMW owners satisfied with their choice, arguing that this is a really good car, distinguished by reliability and enough high power. Some even share tips on which model to choose. Of course, most motorists claim that maximum equipment- this is the best variant. Be sure to take it with air conditioning and a stove, because in summer it will be very hot in a car without these additions, and in winter you will have to warm up well. It is also desirable that the car has cruise control. In general, the owners do not advise taking minimum equipment- it is better to spend a large amount, but to be fully satisfied. Air conditioning, BMW E36 stove, cruise control, ESP, anti-lock system, airbags - all this should be in the car. What really pleases motorists is its simple repair. And, I must say, BMW breaks down extremely rarely. Still reliable manufacturer, and famous German quality makes itself known.
Price
And, finally, a few words about how much you have to pay for such a car, if you want to buy it. About 350 thousand rubles will cost a used BMW E36. The price is small, but you need to remember that the car will be used and at least 15 years old. There are also cheaper options - 1997 cars, with automatic transmission, with audio system, etc. A good used BMW can be purchased for less than 290 thousand rubles. In general, this a good option for drivers for whom the most important thing is that the car is reliable, powerful, comfortable and easy to maintain and repair. In addition, such machines look quite presentable. BMW E36 is a good combination of such indicators as price and quality. No wonder this model was at one time one of the most popular in the world, and to this day remains in demand.
