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    BMW E46 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 (E46) 3-Series 1999-2005. Reset your chassis
    For accurate results, specify your year and model below.
    Sale on Engine Performance Packages!1999-2000 E46 323i/Ci Stage 1 Performance Package
    Peak Power Gain: +17hp / +8ft-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 made with heat-blocking materials, reducing underhood temperatures and not contributing to heat soak of the air filter. aFe uses an oiled cotton filter for maximum air flow and excellent filtration. The kit is supplied complete with heat shield, intake tube, sealing materials, hardware, and install instructions.

    The software is tuned by BMW tuning whiz Jim Conforti and supplied with the Shark Injector. The Shark Injector is a do-it-yourself reflash tool that plugs into the OBD diagnostic plug in your dash. With the push of a button, it will copy your stock software and reflash your computer with the performance tune. You can set it back to stock at any time by following the same procedure.

    Both of these items are packaged and work together. They provide a solid performance boost with a low upfront cost. For an excellent 'bang for the buck' upgrade, the software and intake are a great choice (TMS Underdrive Pulleys would also be on that list).

    Related Upgrades: We are often asked what would complement our software and intake packages. Within any Stage, we recommend our Underdrive Power Pulley Kits. The Power Pulley Kit will under-drive the alternator, water pump, and power steering pump. Under-driving means each component is moving slower which requires less power. The saved horsepower is put back to the engine where it transfers to power at the wheels. Power gains are typically 10 horsepower at the wheels.

    We also recommend upgrading the cat-back muffler for slightly more performance, lighter weight, and a more-aggressive sound. Our favorite E46 mufflers are the Supersprint, Borla, or Corsa exhausts. The Supersprint is the quietest and most like stock while the Corsa is the most aggressive (Borla being in the middle). You can expect a gain of 5whp with any of these exhausts.

    1999-2000 E46 323i/Ci Stage 1 Performance Package includes:
    aFe Cold Air Intake (oiled cotton filter, heat shield, intake tube)
    Shark Injector performance software

    Applications:
    1999-2000 E46 323i sedan, 323Ci coupe and convertible
    Part #: E46-323-99-ST1-PERF-PACK
    Regular Price: $728.00 (USD)
     Sale Price: $655.20 (USD) 
    Quantity:   
    Sale on Engine Performance Packages!2001-2006 E46 325i/Ci/Xi/iT (M54 engine) Stage 1 Performance Package
    Peak Power Gain: +8hp / +8ft-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.

    The software is tuned by BMW tuning whiz Jim Conforti and supplied with the Shark Injector. The Shark Injector is a do-it-yourself reflash tool that plugs into the OBD diagnostic plug in your dash. With the push of a button, it will copy your stock software and reflash your computer with the performance tune. You can set it back to stock at any time by following the same procedure.

    Both of these items are packaged and work together. They provide a solid performance boost with a low upfront cost. For an excellent 'bang for the buck' upgrade, the software and intake are a great choice (TMS Underdrive Pulleys would also be on that list).

    Related Upgrades: We are often asked what would complement our software and intake packages. Within any Stage, we recommend our Underdrive Power Pulley Kits. The Power Pulley Kit will under-drive the alternator, water pump, and power steering pump. Under-driving means each component is moving slower which requires less power. The saved horsepower is put back to the engine where it transfers to power at the wheels. Power gains are typically 10 horsepower at the wheels.

    We also recommend upgrading the cat-back muffler for slightly more performance, lighter weight, and a more-aggressive sound. Our favorite E46 mufflers are the Supersprint, Borla, or Corsa exhausts. The Supersprint is the quietest and most like stock while the Corsa is the most aggressive (Borla being in the middle). You can expect a gain of 5whp with any of these exhausts.

    2001-2006 E46 325i/Ci/Xi/iT (M54 engine) Stage 1 Engine Upgrade includes:
    aFe Cold Air Intake (filter, heat shield, intake tube)
    Shark Injector performance software

    Applications:
    2001-2006 E46 325i sedan, 325Ci coupe and convertible, 325Xi sedan, 325iT wagon, 325XiT wagon (M54 engine only. Not sure if you have an M54 engine? Click here.)
    Part #: E46-325-M54-S1-PERF-PACK
    Regular Price: $728.00 (USD)
     Sale Price: $655.20 (USD) 
    Quantity:   
    Sale on Engine Performance Packages!2003-2005 E46 325i/Ci (M56 SULEV engine) Stage 1 Performance Package
    Peak Power Gain: +8hp / +8ft-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 made with heat-blocking materials, reducing underhood temperatures and not contributing to heat soak of the air filter. aFe uses an oiled cotton air filter for maximum air flow and excellent filtration. The kit is supplied complete with heat shield, intake tube, sealing materials, hardware, and install instructions.

    The software is tuned by BMW tuning whiz Jim Conforti and supplied with the Shark Injector. The Shark Injector is a do-it-yourself reflash tool that plugs into the OBD diagnostic plug in your dash. With the push of a button, it will copy your stock software and reflash your computer with the performance tune. You can set it back to stock at any time by following the same procedure.

    Both of these items are packaged and work together. They provide a solid performance boost with a low upfront cost. For an excellent 'bang for the buck' upgrade, the software and intake are a great choice (TMS Underdrive Pulleys would also be on that list).

    Related Upgrades: We are often asked what would complement our software and intake packages. Within any Stage, we recommend our Underdrive Power Pulley Kits. The Power Pulley Kit will under-drive the alternator, water pump, and power steering pump. Under-driving means each component is moving slower which requires less power. The saved horsepower is put back to the engine where it transfers to power at the wheels. Power gains are typically 10 horsepower at the wheels.

    We also recommend upgrading the cat-back muffler for slightly more performance, lighter weight, and a more-aggressive sound. Our favorite E46 mufflers are the Supersprint, Borla, or Corsa exhausts. The Supersprint is the quietest and most like stock while the Corsa is the most aggressive (Borla being in the middle). You can expect a gain of 5whp with any of these exhausts.

    2003-2005 E46 325i/Ci (M56 engine) Stage 1 Engine Upgrade Kit includes:
    aFe Cold Air Intake (oiled cotton filter, heat shield, intake tube)
    Shark Injector performance software

    Applications:
    2003-2005 E46 325i sedan, 325Ci coupe (M56 SULEV engine only. Not sure if you have an M56 SULEV engine? Click here.)
    Part #: E46-325-M56-S1-PERF-PACK
    Regular Price: $728.00 (USD)
     Sale Price: $655.20 (USD) 
    Quantity:   
    Sale on Engine Performance Packages!1999-2000 E46 328i/Ci Stage 1 Performance Package
    Peak Power Gain: +14hp / +11ft-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 made with heat-blocking materials, reducing underhood temperatures and not contributing to heat soak of the air filter. aFe uses an oiled cotton air filter for maximum air flow and excellent filtration. The kit is supplied complete with heat shield, intake tube, sealing materials, hardware, and install instructions.

    The software is tuned by BMW tuning whiz Jim Conforti and supplied with the Shark Injector. The Shark Injector is a do-it-yourself reflash tool that plugs into the OBD diagnostic plug in your dash. With the push of a button, it will copy your stock software and reflash your computer with the performance tune. You can set it back to stock at any time by following the same procedure.

    Both of these items are packaged and work together. They provide a solid performance boost with a low upfront cost. For an excellent 'bang for the buck' upgrade, the software and intake are a great choice (TMS Underdrive Pulleys would also be on that list).

    Related Upgrades: We are often asked what would complement our software and intake packages. Within any Stage, we recommend our Underdrive Power Pulley Kits. The Power Pulley Kit will under-drive the alternator, water pump, and power steering pump. Under-driving means each component is moving slower which requires less power. The saved horsepower is put back to the engine where it transfers to power at the wheels. Power gains are typically 10 horsepower at the wheels.

    We also recommend upgrading the cat-back muffler for slightly more performance, lighter weight, and a more-aggressive sound. Our favorite E46 mufflers are the Supersprint, Borla, or Corsa exhausts. The Supersprint is the quietest and most like stock while the Corsa is the most aggressive (Borla being in the middle). You can expect a gain of 5whp with any of these exhausts.

    1999-2000 E46 328/Ci Stage 1 Engine Upgrade includes:
    aFe Cold Air Intake (oiled cotton air filter, heat shield, intake tube)
    Shark Injector performance software

    Applications:
    1999-2000 E46 328 sedan, 328Ci coupe and convertible
    Part #: E46-328-99-ST1-PERFORMANCE
    Regular Price: $728.00 (USD)
     Sale Price: $655.20 (USD) 
    Quantity:   
    Sale on Engine Performance Packages!3/2003-2006 E46 330i/Ci Stage 1 Performance Package
    Peak Power Gain: +12hp / +10ft-lbs
    Rev limit: 7000
    Octane: 91 or higher

    Our Stage 1 kit featuring a cold-air intake kit and performance software. The aFe intake is made with heat-blocking materials, reducing underhood temperatures and not contributing to heat soak of the air filter. aFe uses an oiled cotton air filter for maximum air flow and excellent filtration. The kit is supplied complete with heat shield, intake tube, sealing materials, hardware, and install instructions.

    The software is also Conforti-tuned and supplied with the Shark Injector software loader. The Shark Injector is a do-it-yourself reflash tool that plugs into the diagnostic plug in the engine bay. With the push of a button, it will copy your stock software and reflash your computer with the performance tune. You can set it back to stock at any time by following the same procedure.

    Both of these items are packaged and work together. They provide a solid performance boost with a low upfront cost. For an excellent 'bang for the buck' upgrade, the software and intake are a great choice (TMS Underdrive Pulleys would also be on that list).

    Related Upgrades: We are often asked what would complement our software and intake packages. Within any Stage, we recommend our Underdrive Power Pulley Kits. The Power Pulley Kit will under-drive the alternator, water pump, and power steering pump. Under-driving means each component is moving slower which requires less power. The saved horsepower is put back to the engine where it transfers to power at the wheels. Power gains are typically 10 horsepower at the wheels.

    We also recommend upgrading the cat-back muffler for slightly more performance, lighter weight, and a more-aggressive sound. Our favorite E46 mufflers are the Supersprint, Borla, or Corsa exhausts. The Supersprint is the quietest and most like stock while the Corsa is the most aggressive (Borla being in the middle). You can expect a gain of 5whp with any of these exhausts.

    3/2003-2006 E46 330i/Ci Stage 1 Engine Upgrade Kit includes:
    aFe Cold Air Intake (oiled cotton filter, heat shield, intake tube)
    Shark Injector performance software

    Applications:
    3/2003-2006 E46 330i sedan, 330Ci coupe and convertible (check your driver's door pillar for production date data)
    Part #: E46-330-03-ST1-PERF-PACK
    Regular Price: $728.00 (USD)
     Sale Price: $655.20 (USD) 
    Sale on Engine Performance Packages!2001-2/2003 E46 330i/Ci, 2001-05 330Xi Stage 1 Performance Package
    Peak Power Gain: +8hp / +10ft-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 made with heat-blocking materials, reducing underhood temperatures and not contributing to heat soak of the air filter. aFe uses an oiled cotton air filter for maximum air flow and excellent filtration. The kit is supplied complete with heat shield, intake tube, sealing materials, hardware, and install instructions.

    The software is tuned by BMW tuning whiz Jim Conforti and supplied with the Shark Injector. The Shark Injector is a do-it-yourself reflash tool that plugs into the OBD diagnostic plug in your dash. With the push of a button, it will copy your stock software and reflash your computer with the performance tune. You can set it back to stock at any time by following the same procedure.

    Both of these items are packaged and work together. They provide a solid performance boost with a low upfront cost. For an excellent 'bang for the buck' upgrade, the software and intake are a great choice (TMS Underdrive Pulleys would also be on that list).

    Related Upgrades: We are often asked what would complement our software and intake packages. Within any Stage, we recommend our Underdrive Power Pulley Kits. The Power Pulley Kit will under-drive the alternator, water pump, and power steering pump. Under-driving means each component is moving slower which requires less power. The saved horsepower is put back to the engine where it transfers to power at the wheels. Power gains are typically 10 horsepower at the wheels.

    We also recommend upgrading the cat-back muffler for slightly more performance, lighter weight, and a more-aggressive sound. Our favorite E46 mufflers are the Supersprint, Borla, or Corsa exhausts. The Supersprint is the quietest and most like stock while the Corsa is the most aggressive (Borla being in the middle). You can expect a gain of 5whp with any of these exhausts.

    2001-2/2003 E46 330i/Ci, 2001-05 330Xi Stage 1 Engine Upgrade Kit includes:
    aFe Cold Air Intake (oiled cotton filter, heat shield, intake tube)
    Shark Injector performance software

    Applications:
    2001-2/2003 E46 330i sedan, 330Ci coupe and convertible (check your driver's door pillar for production date data)
    2001-2005 330Xi sedan
    Part #: E46-330-01-ST1-PERF-PACK
    Regular Price: $728.00 (USD)
     Sale Price: $655.20 (USD) 
    Quantity: