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BMW X3 aFe Cold-Air Intake Kits

BMW X3 aFe Cold-Air Intake Kits Founded in 1999, Advanced Flow Engineering (aFe) produces high flow, high performance replacement air filters and complete cold-air intake systems for BMWs. Each precision-engineered intake component and filter offers excellent design and construction, lifetime cleanable cotton filters that breathe easier than paper filters, powder-coated heat shields to block out hot engine air, and measurable performance gains resulting in increased horse power and torque. aFe's reputation is fast growing as a manufacturer and designer of quality and functional intake kits with excellent fit and finish and reasonable cost.

aFe enigneers their kits for each individual model application, even designing air filters from scratch to maximize the available surface area of the low pressure zone. They then offer their intake components in packages that fit your tastes and needs -
Replacement Performance Filter. A direct performance replacement filter for your stock air box.
Dynamic Air Scoops. Metal scoops or ducts that create a 'ram-air' effect to the intake.
Super Stock System. A performance filter combined with Dynamic Air Scoops and Throttle Body Spacer for power gains while keeping the OEM appearance.
Stage 1 Kit. A cone-filter kit with vehicle-specific heat shield and intake tubing to replace a stock airbox.
Stage 2 Kit. All of the components in a Stage 1 Kit plus additional intake tubing or ducting after the air box or air mass meter.
Sealed Intake. A Stage 1 or 2 Kit with an enclosed airbox and heat shield. The filter area is maximized inside a vehicle-specific airbox and then sealed with a cover for a OEM-type appearance.
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aFe Restore Kit for ProDry S Dry Filters This eco-friendly air filter cleaner is for the aFe Pro Dry S performance air filter. Simply spray on and wash off and your Pro Dry S air filter is good to go. Please follow the instrucctions with the kit and you will have a lifetime of horsepower.
AFE
Part #: 90-59999
Price: $18.95 (USD) 
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aFe Pre-Filter for aFe Intake Kits # 54-10171, 54-10441 & 54-10451 Prevent water, mud and sand from congesting your air intake system with the aFe Pre-Filter. This aFe Pre-Filter slips right over your performance air filter, adding an extra layer of defense against moisture, grime and other roadway filth, extending the cleaning interval of your aFe filter. Water is repelled by the proprietary hydrophobic treatment to the Pre-Filter’s polyester fabric, and the pre-filters uniformly spaced micron holes prevent debris .005” or larger from passing through. Best of all, using the Pre-Filter does not significantly diminish your air filter’s performance—the smooth rush of oxygen keeps rolling right into your engine. Visually, the Pre-Filter blends in seamlessly with your aFe Cold Air Intake System and other components under your hood.

This particular pre-filter is custom sized to fit the following aFe Intake Kits:
54-10171 (E36 6 Cylinder)
54-10441 (E46 323i/325i/328i/Ci 99-2003)
54-10451 (E46 330i/Ci (all) & 325i/Ci 2003-2005)
AFE
Part #: 28-10093
Price: $29.00 (USD) 
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AFe Intake Kit - E46 323i/ci 328i/ci 325i/ci X3 2.5i - Stage 1 ProDry S "Oil-Free" ProDry S Filter

This intake kit replaces your restrictive factory air box. It features a 3-angle aluminum velocity stack adapter, 1.6mm powder-coated steel heat shield, trim sealed to seal out hot engine air, and a custom aFe brand cotton filter.

By removing your stock intake air box, you are removing the most restrictive portion of your intake system, increasing both horse power and torque, improving acceleration as well as throttle response.

This version has an oil-free filter media for less maintenance. For the best flowing filter, with the best performance gain, we always recommend the standard aFe "Pro5R " filter (which has a blue pre-oiled filter media), but this oil-free filter flows only slightly less than the blue Pro5R style aFe filter, and requires no re-oiling after cleaning the filter.

For the maximum benefit in performance, we recommend upgrading your engine software with the Shark Injector  (Click here for more info on the Shark Injector performance software.)

This aFe intake fits the following BMWs:
1999-2000  E46 3 series : BMW 323i 323ci 328i 328ci
2001-2006  E46 3 series : BMW 325i 325ci 325xi + Wagon & Convertible models with M54 engine
2004-2007  E83 X3 : BMW X3 2.5i

Clickhere for installation instructions.

Want an extra layer of defense?  Add a pre-filter to prevent water, mud and sand from congesting your air intake system. This simple upgrade slides over the aFe filter of this intake kit, much like a sock, giving you an extra layer of defense, and extending the cleaning interval of your aFe intake's filter element. Best of all, using the Pre-Filter does not significantly diminish your air filters performance the smooth rush of oxygen keeps rolling right into your engine. 
AFE
Part #: 51-10441X
Price: $417.95 (USD) 
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AFE
Part #: 51-10441KT
Price: $399.00 (USD) 
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AFE
Part #: 54-10441KT
Price: $399.00 (USD) 
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aFe Restore Kit for Pro5R Oiled Filters

Bring your aFe filter back to life with a Restore kit from aFe. Included is filter cleaner & replacement oil. These air filter oils is designed to not harm MAF sensors, while allowing the filter to catch as much debris as possible.

Used for Pro 5 R filters

AFE
Part #: 55-10460
Price: $16.10 (USD) 
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aFe Intake Kit - E46 323i/ci 328i/ci 325i/ci X3 2.5i - Stage 1 Pro5R Maximum Flow Pro5R Filter

This intake kit replaces your restrictive factory air box. It features a 3-angle aluminum velocity stack adapter, 1.6mm powder-coated steel heat shield, trim sealed to seal out hot engine air, and a custom aFe brand cotton filter.

This version uses aFe's highest flowing filter media, which uses a lightly oil gauze to filter out dirt and particulates, while allowing more air to flow to the intake. For the best flowing filter, with the best performance gain, we always recommend this standard aFe filter media (often called "Pro5R ", which has a blue pre-oiled filter media). We also carry this filter in the "ProDry" grey filter media, which is oil-free for only slightly less performance and no maintenance.

By removing your stock intake air box, you are removing the most restrictive portion of your intake system, increasing both horse power and torque, improving acceleration as well as throttle response.

For the maximum benefit in performance, we recommend upgrading your engine software with the Shark Injector (Click here for more info on the Shark Injector performance software.)

This aFe intake fits the following BMWs:
1999-2000 E46 3 series : BMW 323i 323ci 328i 328ci
2001-2006 E46 3 series : 325i 325ci 325xi + Wagon & Convertible models with M54 engine
2004-2007 E83 X3 : X3 2.5i

Clickhere for installation instructions.

Want an extra layer of defense? Add a pre-filter to prevent water, mud and sand from congesting your air intake system. This simple upgrade slides over the aFe filter of this intake kit, much like a sock, giving you an extra layer of defense, and extending the cleaning interval of your aFe intake's filter element. Best of all, using the Pre-Filter does not significantly diminish your air filters performance the smooth rush of oxygen keeps rolling right into your engine. To add the pre-filter, just select the option for the drop-down option below.
AFE
Part #: 54-10441
Price: $399.00 (USD) 
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AFE
Part #: 54-10451KT
Price: $399.00 (USD) 
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