Bmw m20

Whenever you change the air metering device on your engine, you MUST recalibrate the tune. Because each model of sensor has its own unique air flow curve, the ECU needs to be reprogrammed to use and understand the signal properly. Our MAF software is unrivaled. Not only does our software take care of the intricate details associated with recalibrating the code for a new sensor type, we also optimize all other parameters to yield the best performance.

With software available for stock applications to high horsepower turbo applications, we have the solution for you that will blow your mind with its pristine drivability.


Still don't know what you need? Here is a general application guide. Want to say thank you for all the help and sending me a replacement part that was my fault. Got the car done and" Got the car done and" unbelievable", the car performs perfect and way more power.

Rebuilding A BMW M20 Engine For Spec E30 Racing: The Introduction

So glad I did the conversion, Best upgrade ever!!! Thanks to Brody for all the help. All Prices in USD.

bmw m20

Back to: E Ask a question about this product. Miller Performance is the only company to bring an affordable mass air flow conversion to the market with a long standing, proven track record.

It is all taken care of on the chip provided with our conversion. Over the past 12 years, the Miller MAF has built a solid reputation for being one of the best bolt on performance products you can use on your early model BMW car. With an unheard of price, and supreme signal quality there is no other choice that can come close to competing with our system.

E30 M20 recomendation:. We highly recommend including a fresh, new rubber intake boot with the installation of your MAF sensor. We recommend this for the M20 engines because the stock intake diameter is only 2.To find a BMW Center, try a new search or visit one of the locations by expanding the list results below.

Performance non-run-flat. Actual acceleration results may vary, depending on specification of vehicle; road and environmental conditions; testing procedures and driving style. These results should be used for comparison only and verification should not be attempted on public roads.

BMW urges you to obey all posted speed laws and always wear safety belts. Figures in [ ] apply to vehicles with performance tires and increased top-speed limiter. Driving over rough or damaged road surfaces, as well as debris, curbs and other obstacles, can cause serious damage to wheels, tires and suspension parts.

This is more likely to occur with low-profile tires, which provide less cushioning between the wheel and the road. Be careful to avoid road hazards and reduce your speed, especially if your vehicle is equipped with low-profile tires.

Popular Searches:. Choose your local BMW Center. My BMW. M Models. M8 Coupe. M8 Convertible. M8 Gran Coupe. Mi Coupe Mi xDrive Coupe. Mi Convertible Mi xDrive Sedan. Mi xDrive Gran Coupe. Mi Sedan.

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Mi xDrive Sedan. Mi xDrive Coupe. Mi xDrive Convertible. Z4 M40i. X2 M35i. X3 M40i.It became really popular for E30 track cars that still had the M20 not an M50 swap where the added power at high RPM was put to good use. There is a loss of torque in the low end as the power band is shifted upwards in the RPM.

The cam also works with the stock M20 pistons more aggressive cams will not. For those looking to get more mid-range and not lose as much low end, the is also a popular option. The gives Valve clearance should be set to 0. Although this can be used with stock springs, the Schrick dual valve springs are very strongly recommended.

2020 BMW M2

What customers are saying I am extremely pleased with this order. The price was competitive and your expedited delivery charge was surprisingly low. I needed the part fast and you exceeded my expectations.

bmw m20

I especially appreciate your gentleman who over the phone ensured me that the part was indeed in stock and would be shipped immediately. Your technical expertise on even the minute details of building race cars is really impressive, and some I value greatly I just can't express enough how impressed I am with you guys.

Thanks so much for the great service from start to finish, and always done with a smile and as professional as possible. Our particular interaction has extended over many months and never have I felt that I wasn't getting first-class service I just wanted to say what positive experiences I've had over the past few weeks. Your BimmerWorld sales staff have gone above and beyond to help me out, between their service and taking the time to answer all my questions, I'll be buying my parts from BimmerWorld whenever possible Be the First To Know.As far back as I can remember, my fascination with cars came down to two things.

The first was visual — what kind of impact the lines, curves, and wedges of the machine had on my heart and my pre-teen loins. The second, was the motor. There is the intoxicating rush that comes with naturally-aspirated motors building power as the revs increase.

Spec racing is designed to be a low-cost alternative to what is generally a very expensive endeavor. We start off with old cars that are cheap to buy and service.

We spend money on safety, suspension, and brakes, and go racing with our major consumables being tires, brakes, and the odd fender or two. Oftentimes, the last thing to get any attention is the drivetrain, as it can be enormously costly to rebuild an engine or transmission. While all the cars must run stock motors, tired engines have less power, tractability, and reliability than a properly built fresh motor.

Never one to back down from a task once I set my mind to it, I recently purchased a used stock BMW M20 to break down and rebuild. Picked this lump out of a beater E30 with unknown mileage. The BMW M20 used in the i is a 2. Inline-six motors are known for their smoothness and torque, and have been the heart of some of the most-winning racing cars.

M20 Engine

The Jaguar E Type — light, fast, and sounding amazing with that straight-six snarl. Oh baby! The heart of a 3. In new condition, the engine makes hp and lb-ft of torque at rpm and rpm, respectively.

With a rather low compression ratio of less than 9 to 1, the motors are robust and only require regular maintenance. Fresh motors rev faster and pull harder through the mid-range, a very important attribute when accelerating out of turns. The goal of this build is to refresh components that are worn out through decades of use. New bearings and piston rings will accompany a refreshing of the cylinder bores. More The Art of Driving delivered to your inbox.

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Rocker Arm - E30 e i is - E34 i M20 If there is one weak point to the internals of the M20 engine, it's the camshaft rocker arms.

They're actually designed to be the weak link to prevent more extensive damage elsewhere in the valvetrain. The rocker arm actuates the valves as the cam lobe makes contact. But sustained running at high RPM will cause the valves to 'float' or stay open which can lead to contact between the piston and the valves.

If this happens too often, it will fatigue and snap the rocker arm. Therefore, any track driven E30 should have the rockers inspected or replaced often, along with a correct valve adjustment.

And any high mileage M20 engine is running the risk of failure because of fatigue and weak valve springs. It's also a good idea to use new rocker arms any time a new cam is installed as the cam and the rocker wear together.The M20 is an inline-6 piston engine of BMW.

With displacements ranging from 2. It was intended to replace the larger displacement 4-cylinder motors and was born out of BMW's conviction that a small six had more development potential than a large four i. Powering the E21 and E30 3-Seriesas well as E12E28 and E34 5 Series cars, it was produced for nearly two decades, with the last examples powering the E30 i touring built until sometime in By that time, the newer twin-cam M50 engines with 4 valves per cylinder had already been used in the E36 and E34 for a couple of years.

Three different head castings were used over the engine's production run. The earliest was aka the "". The next version was aka the "". This head was the same as the but featured larger intake ports. The final version was or "" introduced in the i. Ports were further enlarged, valves were larger and the combustion chamber was redesigned to improve flow and thermodynamic efficiency.

As the BMW M21it became a diesel engine that was also available with a turbocharger. The M20B20 is a 2. Fueling was handled by a Solex four-barrel carburettor. These early versions all used the "" head. When the E30 debuted inthe 2. Inthe 2. Later models also received larger valves. The 2. This motor was only used in 3-series models. The i began as an E21 model in and was phased out as the E30 models came into production. It initially used the same head and block as the carbureted 2.

It also featured Bosch K-Jetronic Injection.

Best E30 Performance Mod for $200!!

The E30 version featured the revised "" head with larger intake ports and used L-Jetronic instead of K-Jet. Most significantly it had redesigned pistons and combustion chambers for better power, more resistance to detonation and higher thermodynamic efficiency.

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