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  • 22 years of BMW Tuning.
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    BMW E92 Engine Performance Packages

    Since 1993 Turner Motorsport has been at the forefront of performance tuning for BMWs. We show this best in our tuned Performance Packages, developed along stages for specific BMW models. Each staged Package is tuned in-house, bringing together expertise from our street tuning division, service shop, and race team. Nearly all of our Packages feature custom-tuned performance software from the best names in the business. The software is the best feature in our kits, maximizing power gains while doing nothing to affect engine reliability or driveability. In most cases, Stages are upgradeable - you can jump from one stage to another by purchasing the new parts and revised software (contact us directly about buying parts outside of the Stage). Or jump right into a higher stage by purchasing the complete kit. We'll work with you to select the appropriate parts and a matching software tune. Nearly all of our Packages have been tested and tuned on our in-house Dynapack Chassis Dyno. Our packages are designed for US-spec models only.
    You're currently viewing parts for your (E92) 3-Series Coupe 2007-2012. Reset your chassis
    For accurate results, specify your year and model below.
    Sale on Engine Performance Packages!2007-2012 E90/E92 328i SULEV Stage 1 Performance Package
    Peak Power Gain: +19hp / +17ft-lbs
    Rev limit: 7000
    Octane: 91 or higher

    Our Stage 1 kit featuring a cold-air intake kit and matching performance software. The aFe intake is a cone filter with a heat-blocking shield around it. The larger surface area of the filter, combined with the heat shield, allow more cool air to enter the engine - creating more power and torque, a richer engine sound, and better throttle response. The kit is supplied complete with heat shield, intake tube, sealing materials, hardware, and install instructions.

    Our flash software is tuned especially for a cold-air intake, maximizing the potential and providing smoother power delivery. We take the stock software and make adjustments for 91 octane (stock software is set around 87). We can get more power and torque, and increase fuel efficiency without affecting driveability or the life of the engine. The throttle response is also improved (quicker) eliminating unwanted and dangerous flat spots in the pedal response.

    This package covers BMW's N51 SULEV model - Super Ultra Low Emissions Vehicle specification. The N51 engine was installed in the 328i model in certain parts of the country to help with emissions certification (California, the Northwest, and the Northeast). Most customers did not have choice in which engine was installed. We will verify that you get the correct software by checking the VIN at the time of your order.

    The software is performed via a 'flash' of the car's computer. The computer must be sent to us for the software install. Turn-around time is typically the same day and overnight shipping is available to get it back to you quickly. We offer shipping packages to streamline the process - contact us for more info.

    E90/E92/E93 328i N51 Stage 1 Engine Upgrade includes:
    aFe Cold Air Intake (filter, heat shield, intake tube)
    Turner Motorsport Performance Software Flash

    This item fits the following SULEV BMWs:
    2007-2011 E90 BMW 328i 328xi 328i xDrive - Sedan
    2007-2012 E92 BMW 328i 328xi 328i xDrive - Coupe
    2007-2012 E93 BMW 328i - Convertible
    Part #: E9X-328-N51-ST1-PERFORMANCE
    Regular Price: $924.00 (USD)
     Sale Price: $831.60 (USD) 
    Sale on Engine Performance Packages!2007-2011 E90/E92/E93 328i Stage 1 Performance Package
    Peak Power Gain: +19hp / +17ft-lbs
    Rev limit: 7000
    Octane: 91 or higher

    Our Stage 1 kit featuring a cold-air intake kit and matching performance software. The aFe intake is a cone filter with a heat-blocking shield around it. The larger surface area of the filter, combined with the heat shield, allow more cool air to enter the engine - creating more power and torque, a richer engine sound, and better throttle response. The kit is supplied complete with heat shield, intake tube, sealing materials, hardware, and install instructions.

    Our flash software is tuned especially for a cold-air intake, maximizing the potential and providing smoother power delivery. We take the stock software and make adjustments for 91 octane (stock software is set around 87). We can get more power and torque, and increase fuel efficiency without affecting driveability or the life of the engine. The throttle response is also improved (quicker) eliminating unwanted and dangerous flat spots in the pedal response.

    The 328i has BMW's 'MO - Medium Output' engine so it was de-tuned slightly from its true potential. What we have done is focus on improving the mid-range torque to get back some of that lost horsepower. Since this is where most drivers spend their time these gains would prove to be the most beneficial. Both of these items are packaged and work together. They provide a solid performance boost with a built-in package discount. For an excellent 'bang for the buck' upgrade, the software and intake are a great choice.

    The software is performed via a 'flash' of the car's computer. The computer must be sent to us for the software install. Turn-around time is typically the same day and overnight shipping is available to get it back to you quickly. We offer shipping packages to streamline the process - contact us for more info.

    E9X 328i Stage 1 Engine Upgrade includes:
    aFe Cold Air Intake (filter, heat shield, intake tube)
    Turner Motorsport Performance Software Flash

    This item fits the following BMWs:
    2007-2011 E90 BMW 328i 328xi 328i xDrive - Sedan
    2007-2011 E91 BMW 328i 328xi 328i xDrive - Wagon
    2007-2012 E92 BMW 328i 328xi 328i xDrive - Coupe
    2007-2012 E93 BMW 328i - Convertible
    Part #: E9X-328-ST1-PERF-PACKAGE
    Regular Price: $924.00 (USD)
     Sale Price: $831.60 (USD) 
    Sale on Engine Performance Packages! 2007-2010 E90/E92/E93 335i N54 Stage 1 Performance Package with aFe Dual-Cone Intake
    Peak Power Gain: up to 103hp / 108ft-lbs
    + aFe Pro5R Dual Cone Intake
    + Cobb AccessPort programmer


    Our Stage 1 kit features a cold-air intake kit and performance software for a staggering increase in power and torque on the N54 motor. We offer this package with the aFe Dual Cone Intake (DCI) to open up the breathing. The larger surface area of the filters allows more air to enter the engine - creating more power and torque, a richer engine sound, and better throttle response. The kit is supplied complete with aFe Pro5R filters, mounting shield, intake tubes, sealing materials, hardware, and install instructions. The torque increase from low-mid RPM is sensational.

    We have paired the aFe DCI with the Cobb AccessPort performance software. The Cobb software tool puts multiple tuning stages in the palm of your hand. Our Stage 1 Performance Package is aligned with the Cobb Stage 1 tuning maps (91 or 93+ octane fuel). Simply plug it in, select the Stage 1 map with your octane preference, and install. Select different maps for other upgrades, throttle settings, octane ratings, valet mode, or revert back to stock! If you're moving up in Stages simply download a new file from the Cobb website and update your AccessPort programmer! The AccessPort triples as a diagnostic tester/reader and a data logger. It's the most feature-packed programmer on the market today.

    We have taken the guesswork out of choosing the best upgrades for the N54 engine. If you follow the upgrade path we have laid out you will have very satisfying and reliable results. This Stage 1 package is a great 'bang for the buck' upgrade - this power kit makes more power and torque at every RPM and makes a fantastic snarling sound every time you dip into the throttle. Note that peak power gains are quoted above but this package has even bigger performance gains in the lower RPM!

    This item fits the following BMWs:
    2007-2010 E90 BMW 335i 335xi 335i xDrive - Sedan
    2007-2010 E92 BMW 335i 335is* 335xi 335i xDrive - Coupe
    2007-2010 E93 BMW 335i - Convertible
    * 335is horsepower gains are lower due to the factory power boost in the "is" package
    Part #: E9X-335-N54-ST1-PERFORMANCE
    Regular Price: $1,291.06 (USD)
     Sale Price: $1,161.95 (USD) 
    Quantity:   
    Sale on Engine Performance Packages! 2007-2010 E90/E92/E93 335i N54 Stage 1 Performance Package with aFe Dual-Cone Intake
    Peak Power Gain: up to 107hp / 110ft-lbs
    + aFe Pro5R SI Sealed Intake
    + Cobb AccessPort programmer


    Our Stage 1 kit features a cold-air intake kit and performance software for a staggering increase in power and torque. This premium package is offered with the aFe Elite Intake and Cobb AccessPort tuner. The Elite intake kit completely maximizes airflow - drawing in air from grille-mounted ducts for a 'ram-air' effect. Each duct flows through a channel into the airbox where it meets a aFe Pro5R filter designed especially for this application. This is our favorite system for the 335 as it is very well engineered, fits well, and almost looks factory. There are no open filter elements to get loaded with dirt. The kit is supplied complete with an aFe Pro5R filter, airbox, intake tube, sealing materials, hardware, and install instructions. The torque increase from low-mid RPM is sensational.

    We have paired the aFe Elite with the Cobb AccessPort performance software. The Cobb software tool puts multiple tuning stages in the palm of your hand. Our Stage 1 Performance Package is aligned with the Cobb Stage 1 tuning map. Simply plug it in, select the Stage 1 map with your octane preference, and install. Select different maps for other upgrades, throttle settings, octane ratings, valet mode, or revert back to stock! If you're moving up in Stages simply download a new file from the Cobb website and update your AccessPort programmer! The AccessPort triples as a diagnostic tester/reader and a data logger. It's the most feature-packed programmer on the market today.

    We have taken the guesswork out of choosing the best upgrades for the N54 engine. If you follow the upgrade path we have laid out you will have very satisfying and reliable results. This Stage 1 package is a great 'bang for the buck' upgrade - this power kit makes more power and torque at every RPM and makes a great sound every time you dip into the throttle.

    335i Stage 1 Elite Engine Upgrade includes:
    aFe Elite Intake (filter, airbox, intake tube)
    Cobb AccessPort Performance Programmer

    This item fits the following BMWs:
    2007-2010 E90 BMW 335i 335xi 335i xDrive - Sedan
    2007-2010 E92 BMW 335i 335is 335xi 335i xDrive - Coupe
    2007-2010 E93 BMW 335i - Convertible
    Part #: E9X-335-N54-ST1E-PERFORMANCE
    Regular Price: $1,690.96 (USD)
     Sale Price: $1,521.86 (USD) 
    Quantity:   
    Sale on Engine Performance Packages! 2007-2010 E90/E92/E93 335i N54 Stage 1+ Performance Package
    Peak Power Gain*: up to 103hp / 108ft-lbs
    + aFe Pro5R Dual Cone Intake
    + Wagner Front Mount Intercooler
    + Cobb AccessPort programmer


    More power = more heat. It's easy to make more power one time but to continue making that power consistently requires careful planning and design. With the additional boost the air entering the engine is also warmer, making the intercooler more important than ever. In testing, the stock BMW intercooler was quickly overwhelmed and cannot keep the intake air cool enough. The engine computer recognizes that and dials back the boost. A more efficient intercooler will keep boost levels up, delivering consistently higher boost levels. The Stage 1+ package includes a Wagner Evo I plug and play intercooler upgrade. We get great feedback from our customers and technicians about the Wagner FMIC - it's a direct bolt in part using all of the factory piping and it offers 85% more surface area than the factory intercooler.

    The aFe Dual Cone intake and Cobb Accessport programmer complete the Stage 1+ package. The larger surface area of the aFe cone filters allows more air to enter the engine - creating more power and torque, a richer engine sound, and better throttle response. The kit is supplied complete with aFe Pro5R filters, mounting shield, intake tubes, sealing materials, hardware, and install instructions. The torque increase and sound from the open intake from low-mid RPM is sensational.

    The Cobb software tool puts multiple tuning stages in the palm of your hand. Our Stage 1+ package lines up with the Cobb Stage 1 tuning maps for an intake and FMIC (91 or 93+ octane fuel). Simply download the Stage 1+ map from the Cobb website, plug it in, and install. Select different maps for other upgrades, throttle settings, octane ratings, valet mode, or revert back to stock! If you're moving up in Stages simply download a new file from the Cobb website and update your AccessPort programmer! The AccessPort triples as a diagnostic tester/reader and a data logger. It's the most feature-packed programmer on the market today.

    We have taken the guesswork out of choosing the best upgrades for the N54 engine. If you follow the upgrade path we have laid out you will have very satisfying and reliable results. The addition of the larger intercooler makes Stage 1 more enjoyable and won't let you down at the track or dragstrip. * Note that peak power gains are quoted remain the same as Stage 1 but the cooler intake air means there is less of a chance the engine computer will cut power from heatsoak.

    This item fits the following BMWs:
    2007-2010 E90 BMW 335i 335xi 335i xDrive - Sedan
    2007-2010 E92 BMW 335i 335is* 335xi 335i xDrive - Coupe
    2007-2010 E93 BMW 335i - Convertible
    * 335is horsepower gains are lower due to the factory power boost in the "is" package
    Part #: E9X-335-N54-ST1+
    Regular Price: $1,832.38 (USD)
     Sale Price: $1,649.14 (USD) 
    Quantity:   
    Sale on Engine Performance Packages! 2007-2010 E90/E92/E93 335i N54 Stage 2 Power Package (for race-use only)
    Peak Power Gain: up to 115hp / 123ft-lbs
    + aFe Pro5R Dual Cone Intake
    + CP-E Catless Downpipes
    + Cobb AccessPort programmer


    For a 335i race or competition car, the exhaust is an important area for upgrades. Removing the catalytic converters eliminates a choke point in the exhaust system and will free up power and torque. It also eliminates the cats as a potential failure point - a broken up cat can clog the exhaust and severly damage your motor. These cat-less DP from CP-E are some of the best we have seen. They are made from 304 stainless steel mandrel-bent piping. The flow characteristics of the piping was especially important to maximize the efficiency of the turbos. With less restriction the turbos work more efficiently and last longer.

    The aFe Dual Cone intake and Cobb Accessport programmer complete the Stage 2 package. The larger surface area of the aFe cone filters allows more air to enter the engine - creating more power and torque, a richer engine sound, and better throttle response. The kit is supplied complete with aFe Pro5R filters, mounting shield, intake tubes, sealing materials, hardware, and install instructions. The torque increase and sound from the open intake from low-mid RPM is sensational.

    The Cobb software tool puts multiple tuning stages in the palm of your hand. Our Stage 2 package lines up with the Cobb Stage 2 tuning maps for an intake and DP (91 or 93+ octane fuel). Simply download the Stage 2 race map from the Cobb website, plug it in, and install. Select different maps for other upgrades, throttle settings, octane ratings, valet mode, or revert back to stock! If you're moving among Stages simply download a new file from the Cobb website and update your AccessPort programmer! The AccessPort triples as a diagnostic tester/reader and a data logger. It's the most feature-packed programmer on the market today.

    This part alters or deletes the emissions equipment on your car. Because of this, we require a waiver of emissions compliance to be signed and either e-mailed or faxed to Turner Motorsport before shipping. You can download the waiver here.

    This item fits the following BMWs:
    2007-2010 E90 BMW 335i 335xi 335i xDrive - Sedan
    2007-2010 E92 BMW 335i 335is* 335xi 335i xDrive - Coupe
    2007-2010 E93 BMW 335i - Convertible
    * 335is horsepower gains are lower due to the factory power boost in the "is" package
    Part #: E9X-335-N54-ST2
    Regular Price: $1,940.85 (USD)
     Sale Price: $1,795.29 (USD) 
    Quantity:   
    Sale on Engine Performance Packages! 2007-2010 E90/E92/E93 335i N54 Stage 2+ Power Package (for race-use only)
    Peak Power Gain*: up to 125hp / 158ft-lbs
    + aFe Pro5R Dual Cone Intake
    + CP-E Catless Downpipes
    + Wagner or AA Front Mount Intercooler
    + Cobb AccessPort programmer


    For a 335i race or competition car, the exhaust is an important area for upgrades. Removing the catalytic converters eliminates a choke point in the exhaust system and will free up power and torque. It also eliminates the cats as a potential failure point - a broken up cat can clog the exhaust and severly damage your motor. These cat-less DP from CP-E are some of the best we have seen. They are made from 304 stainless steel mandrel-bent piping. The flow characteristics of the piping was especially important to maximize the efficiency of the turbos. With less restriction the turbos work more efficiently and last longer.

    In this package we also address the shortcomings in the factory intercooler setup. With higher boost comes more heat in the intake air and the factory intercooler does a poor job of cooling that air before it enters the engine. In the Stage 2+ package we offer multiple intercooler upgrades in increasing levels of capacity - Wagner Evo I, Wagner Evo II, and Active Autowerke Race FMIC. Each is a significant upgrade over the stock 335i FMIC. The Wagner Evo I is our standard FMIC upgrade and fits with the stock piping and requires no modification for fitment. The Wagner Evo II has greater cooling capacity and silicone piping to the stock intake. Some minor modification to plastic trim pieces is required for installation. The AA Race FMIC is the biggest and most extensive that we sell. It features a ram-air effect thanks to a special shroud around the intercooler. The installation is more extensive because AA has chosen to locate the FMIC where it will catch the most airflow from the car's frontal area.

    The aFe Dual Cone intake and Cobb Accessport programmer complete the Stage 2+ package. The larger surface area of the aFe cone filters allows more air to enter the engine - creating more power and torque, a richer engine sound, and better throttle response. The kit is supplied complete with aFe Pro5R filters, mounting shield, intake tubes, sealing materials, hardware, and install instructions. The torque increase and sound from the open intake from low-mid RPM is sensational.

    The Cobb software tool puts multiple tuning stages in the palm of your hand. Our Stage 2+ package lines up with the Cobb Stage 2+ tuning maps for an intake and DP (91 or 93+ octane fuel). Simply download the Stage 2+ race map from the Cobb website, plug it in, and install. Select different maps for other upgrades, throttle settings, octane ratings, valet mode, or revert back to stock! If you're moving among Stages simply download a new file from the Cobb website and update your AccessPort programmer! The AccessPort triples as a diagnostic tester/reader and a data logger. It's the most feature-packed programmer on the market today.

    * Note that peak power gains are quoted remain the same as Stage 2 but the cooler intake air means there is less of a chance the engine computer will cut power from heatsoak. Adding a full exhaust (from the DP) will make this a Stage 3 kit in the Cobb tuning catalog.

    This part alters or deletes the emissions equipment on your car. Because of this, we require a waiver of emissions compliance to be signed and either e-mailed or faxed to Turner Motorsport before shipping. You can download the waiver here.

    This item fits the following BMWs:
    2007-2010 E90 BMW 335i 335xi 335i xDrive - Sedan
    2007-2010 E92 BMW 335i 335is* 335xi 335i xDrive - Coupe
    2007-2010 E93 BMW 335i - Convertible
    * 335is horsepower gains are lower due to the factory power boost in the "is" package
    Part #: E9X-335-N54-ST2+
    Regular Price: $2,630.85 (USD)
     Sale Price: $2,433.54 (USD)