GFB Upgraded Diverter Valve - 228i/320i/328i/428i/528i, X1/X3/X4/Z4 28i

Upgraded Diverter Valve that keeps up with your boost

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Price:
$139.50

Upgrading boost or the turbo will reveal deficiencies in other areas of the engine. On the N20 engine one of the first weak areas is the factory electric diverter valve. This GFB Diverter Valve is much more robust than the factory piece and is essential when making more boost. It's a direct replacement on the electrical solenoid on the N20/N26 turbo used on 2012+ F22 228i, F30 320i/328i, F32 428i, F10 528i, E84 X1 28i, F25 X3 28i, F26 X4 28i, and E89 Z4 28i.

The Diverter Valve (DV) helps regulate boost on the N20/N26 engine. Instead of releasing overboosted air into the atmosphere (like on a blow-off valve) the DV redirects the overboost back through the turbo. It's an efficient and tight system that minimizes emissions and reduces components under the hood. The problems with the factory DV are two-fold: the plastic housing can break and create a boost loss and the spring and diaphragm are just too weak to hold up to increased pressures (either by design or by accident).

This Go Fast Bits (GFB) DV+ design is much stronger thanks to an aluminum housing and with a more robust internal spring and diaphragm. The DV+ is still actuated by the stock factory electrical solenoid which is still managed by the engine computer. So it still functions just like a stock DV but with better reliability, especially with more boost. Throttle response is also improved.

BMW Fitments:

2 Series
F22 / F23 (2014+) > 228i
F22 / F23 (2014+) > 228i xDrive
3 Series
F30 / F31 / F34 (2012+) > 320i
F30 / F31 / F34 (2012+) > 320i xDrive
F30 / F31 / F34 (2012+) > 328i
F30 / F31 / F34 (2012+) > 328i xDrive
4 Series
F32 / F33 / F36 (2014+) > 428i
F32 / F33 / F36 (2014+) > 428i xDrive
5 Series
F10 / F11 (11-16) > 528i N20 (2012-2016)
F10 / F11 (11-16) > 528i xDrive N20 (2012-2016)
X1 Series
E84 X1 (2013-2015) > X1 28i
E84 X1 (2013-2015) > X1 28i xDrive
X3 Series
F25 X3 (2011-2017) > X3 sDrive28i
F25 X3 (2011-2017) > X3 xDrive28i
X4 Series
F26 X4 (2015-2018) > X4 28i xDrive
Z Series
E89 Z4 (2009-2016) > Z4 sDrive28i
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