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SKU: TS-0203-1250 | UPC: 9329677012040
Turbosmart BMW 135i/335i/535i/Z4 w/ N54 Twin Turbo 3.0L Kompact Plumb Back Kit
The Turbosmart Kompact Plumb Back Kit replaces factory diverter valves on BMW N54 twin turbo 3.0L engines in 135i, 335i, 535i and Z4 models. It recirculates excess boost safely back into the intake pipe to prevent compressor surge and protect turbos during shifts. Built for high boost applications, this kit delivers consistent performance and reliability on tuned or stock setups.
Key Features
- Twin Port Design: Manages boost discharge from both N54 turbos independently for precise control and no lag
- Billet 6061 Aluminum Body: Lightweight at 1.32 lbs with anodized finish for corrosion resistance and long-term durability
- Plumb Back Venting: Returns air to intake pipe silently without atmospheric noise or oil residue in intercooler
- Direct Bolt-On Fit: Includes brackets, hoses and fittings for plug-and-play install on all listed N54 models
- Adjustable Spring Preload: Three spring options included to match boost levels from stock to 30+ PSI
Product Notes
- Requires removal of factory diverter valves during installation
- Pair with upgraded intake pipes for best results on high boost setups
- Ships in protective foam packaging to prevent damage
Installation Notes
- Professional installation recommended.
- Disconnect battery and depressurize system before starting
- All necessary hardware and O-rings included for OEM-like mounting
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2011 | BMW | 1 Series M | Base |
| 2008-2013 | BMW | 135i | Base |
| 2013 | BMW | 135is | Base |
| 2007-2015 | BMW | 335i | Base |
| 2009-2013 | BMW | 335i xDrive | Base |
| 2011-2013 | BMW | 335is | Base |
| 2007-2008 | BMW | 335xi | Base |
| 2008-2010 | BMW | 535i | Base |
| 2010 | BMW | 535i GT | Base |
| 2011-2016 | BMW | 535i GT xDrive | Base |
| 2009-2010 | BMW | 535i xDrive | Base |
| 2011-2016 | BMW | 740i | Base |
| 2011-2015 | BMW | 740Li | Base |
| 2013-2015 | BMW | 740Li xDrive | Base |
| 2020 | BMW | X6 | sDrive40i |
| 2008-2010 | BMW | X6 | xDrive35i |
| 2003-2005 | BMW | Z4 | 3.0i |
| 2006-2008 | BMW | Z4 | Coupe 3.0si |
| 2006-2008 | BMW | Z4 | M Coupe |
| 2006-2008 | BMW | Z4 | M Roadster |
| 2006-2008 | BMW | Z4 | Roadster 3.0i |
| 2006-2008 | BMW | Z4 | Roadster 3.0si |
| 2009-2011 | BMW | Z4 | sDrive30i |
| 2009-2016 | BMW | Z4 | sDrive35i |
| 2011-2016 | BMW | Z4 | sDrive35is |
Why Choose Turbosmart?
- Hand-crafted in Sydney Australia since 1997 with strict quality control
- Rigorous testing in dedicated research facility for real-world reliability
- Proven design formula used across motorsport and street performance
Frequently Asked Questions
-
Q: Will this fit my 2010 BMW 335i with N54 engine?
A: Yes, it bolts directly to N54 twin turbo setup on 2007-2013 335i models including xDrive variants -
Q: What material is the valve made from?
A: Precision machined from billet 6061-T6 aluminum with stainless steel springs for strength and heat resistance -
Q: What warranty does it come with?
A: Backed by Turbosmart limited lifetime warranty against manufacturing defects when installed correctly
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: In stock - ships same or next business day
- Packaging: Secure box 10 x 8 x 6 inches
- Weight: 1.32 lbs
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