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Unlock Full Boost Potential on Your Turbocharged N54
Factory plastic charge piping is a known weak point on N54 powered BMWs, prone to cracking under increased boost pressure. The COBB 7B1212 replaces that fragile section with a mandrel bent aluminum pipe finished in wrinkle black powder coat for a durable, factory style appearance under the hood.
Key Features
- 3 inch mandrel bent aluminum tubing for maximum flow
- Wrinkle black powder coat finish resists heat and wear
- 4 ply silicone couplers included for a secure seal
- Direct factory replacement, no tuning changes required
- Improves reliability over the factory plastic charge pipe
- Part number 7B1212 engineered specifically for the N54 engine platform
Fitment Table
| Year Range | Make | Model |
|---|---|---|
| 2007-2010 | BMW | 335i |
| 2007-2010 | BMW | 335xi |
| 2011-2013 | BMW | 335is |
| 2008-2010 | BMW | 135i |
| 2011 | BMW | 1M |
Specifications
| Detail | Value |
|---|---|
| Part Number | 7B1212 |
| Brand | COBB Tuning |
| Material | Mandrel Bent Aluminum |
| Finish | Wrinkle Black Powder Coat |
| Pipe Diameter | 3 inch |
| UPC | Not published by manufacturer |
| Tuning Required | No |
What's Included
- 1 aluminum charge pipe (7B1212)
- 3 four ply silicone couplers
- 2 large stainless steel clamps
- 4 small stainless steel clamps
- All necessary mounting hardware
- Installation instructions
About COBB
COBB Tuning designs and manufactures performance parts and engine management solutions for enthusiasts around the world. Known for the Accessport and a full line of turbocharged vehicle upgrades, COBB focuses on engineering parts that improve reliability and performance without sacrificing drivability.
Related Parts on Our Site
- BMW N54 intake systems
- BMW N54 intercooler upgrades
- BMW N54 downpipes
FAQ
What is the 7B1212?The 7B1212 is a COBB Tuning aluminum charge pipe that replaces the factory plastic charge pipe on N54 powered BMW models. It increases flow and reliability under boost.
Does the 7B1212 require tuning changes?No, this charge pipe is a direct factory replacement and does not require any engine tuning adjustments.
Which BMW models accept the 7B1212?The 7B1212 fits N54 powered 335i, 335xi, 335is, 135i, and 1M models within the applicable model years listed in the fitment table.
Why does the factory plastic charge pipe fail?The factory plastic pipe can crack or split under increased boost pressure, especially on modified vehicles, which the aluminum 7B1212 is designed to prevent.
Are silicone couplers included with the 7B1212?Yes, the kit includes four ply silicone couplers along with stainless steel clamps needed for installation.
What finish does the 7B1212 have?The 7B1212 features a wrinkle black powder coat finish that matches factory engine bay aesthetics.
Is professional installation required for the 7B1212?Installation can be completed with basic hand tools, though professional installation is recommended for those unfamiliar with turbo piping systems.
Will the 7B1212 work with an aftermarket blow off valve?The pipe configuration depends on whether a diverter valve or blow off valve setup is used, so confirm compatibility with your specific valve before ordering.
Install Instructions
- Disconnect the battery and relieve system pressure before beginning work
- Remove the factory charge pipe from the throttle body and intercooler connection
- Install the silicone reducer coupler onto the new aluminum charge pipe
- Seat the charge pipe fully onto the throttle body before securing the retaining clip
- Connect the opposite end to the intercooler piping and tighten all hose clamps
- Reconnect the MAF sensor and any diverter valve connections
- Inspect all connections for a secure, leak free fit before starting the engine
COBB
COBB Tuning Performance Parts deliver proven power gains with factory-like drivability backed by an "Engineered Performance" approach trusted by enthusiasts, pro tuners, and performance shops worldwide. Founded in 1999 and now headquartered in Austin, Texas, COBB designs, engineers, tests, and supports its products in-house to ensure reliable results across today's most popular performance platforms. Shop the full lineup of COBB Tuning performance parts at Black Ops Auto Works, including ECU tuning solutions, bolt-on upgrades, and staged power packages built to work together for predictable, repeatable performance. COBB ECU Tuning & Accessport The COBB Accessport is one of the most trusted ECU tuning devices in the industry. It enables safe ECU flashing, live data monitoring, diagnostics (read/clear codes), and tuning management helping drivers unlock stronger throttle response, improved drivability, and dependable horsepower and torque gains when paired with the right supportin...
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