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SKU: SP1126WB | UPC: 843115016821
Injen 2011-2013 BMW E82 135i N55 Turbo/E90-E93 335i Wrinkle Black Tuned Air Intake w/ MR Tech, Air Fusion
The Injen SP1126WB cold air intake system replaces your factory airbox on 2011-2013 BMW 135i E82 and 335i E90/E92/E93 N55 turbo engines for deeper breathing and added horsepower. This wrinkle black SP series intake uses patented tuning to increase airflow volume and velocity, producing dyno-tested gains of 12 HP at 5200 RPM and 13 lb-ft torque at 3800 RPM. Drivers notice sharper throttle response and aggressive intake sound right away.
Key Features
- MegaRam (MR) Technology: Patented intake pipe design (US Patents 7,359,795 and 7,669,571) with tuned runner length delivers smooth power across the RPM band by optimizing air ram effect and resonance tuning.
- Air Fusion Technology: Exclusive multi-layer oiled cotton filter (US Patent 7,721,669) captures more dirt with 99% efficiency while allowing 50% more airflow than stock.
- Wrinkle Black Powder Coat: Heat-resistant finish on TIG-welded 6061-T6 aluminum tube withstands underhood temperatures up to 400°F and resists corrosion for long-lasting style.
- Sealed Enclosure Design: Fully enclosed box pulls in cooler outside air, reducing intake temps by up to 20°F for denser charge air and consistent power.
- Bolt-On Fitment: Precision-engineered for N55 3.0L turbo with no modifications, includes silicone couplers and stainless clamps for secure seal.
Product Notes
- Easy drop-in replacement with no ECU tuning or check engine lights.
- Serviceable filter design allows cleaning every 30,000-50,000 miles using Injen kits.
- Fully assembled and tested for leak-free performance straight from the box.
Installation Notes
- Professional installation recommended.
- Requires 1-2 hours with basic hand tools. remove factory airbox and intake tube.
- All hardware, vacuum caps, and block-off plates included for complete N55 compatibility.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2011-2013 | BMW | 135i | Base |
| 2011-2013 | BMW | 335i | Base |
| 2011-2013 | BMW | 335i xDrive | Base |
| 2012-2013 | BMW | 335is | Base |
| 2011 | BMW | Z4 | sDrive35i |
Why Choose Injen?
- First company to develop tuned air intakes with four US patents protecting the technology.
- SP series built with premium materials and dyno-validated for real-world gains on N55 engines.
- Over 20 years engineering intake systems that balance flow, filtration, and sound.
Frequently Asked Questions
-
Q: Will SP1126WB fit my 2013 BMW 335i xDrive N55?
A: Yes, direct bolt-on fit confirmed for all 2011-2013 335i xDrive models with N55 3.0L turbocharger, including sedan, coupe, and cabriolet body styles. -
Q: What finish and material is used on the intake tube?
A: Mandrel-bent 6061-T6 aluminum tubing finished in durable wrinkle black powder coat for heat and scratch resistance. -
Q: What warranty covers the SP1126WB?
A: Limited lifetime warranty on the intake tube and structure, one-year on the filter. register online for full coverage.
Shipping & Handling
- Method: Standard Ground
- Availability: In stock - ships same or next business day
- Packaging: Secure custom box measuring 24in L x 13in W x 12in H
- Weight: 7.6 lbs
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