Product Name:  
BOV Kompact Hyundai i30 N Line  
BOV Kompact Hyundai i30 N Line  
TS-0203-1032  
Product Description:  
Product Number:  
Document Version:  
V1.00 Rev A  
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IMPORTANT NOTES ON YOUR BOV  
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Turbosmart accepts NO responsibility whatsoever for incorrect installation of this product which is potentially hazardous and can cause serious  
engine damage or personal injury.  
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The Kompact series BOV is designed for use as a factory replacement  
Ensure the engine is cold prior to installation.  
RECOMMENDATIONS  
- Turbosmart recommends that your Blow off valve (BOV) is fitted by an appropriately qualified technician  
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KIT CONTENTS  
Please check that the following items have been provided in your BOV packaging  
Part  
Description  
Use  
Quantity  
1
Turbosmart Kompact  
Series BOV  
Main unit  
1
2
3
4
5
6
7
Hose Clamp  
Fix plumb back hose to BOV  
1
4
1
1
2
1
M6 Flange Bolts  
Blanking plug  
Turbosmart Sticker  
Hose  
Mount BOV to turbocharger compressor cover  
Blank off VTA trumpet to convert to pure plumb back.  
Turbosmart sticker  
BOV Pressure Signal Hose (Two sizes)  
To go from BOV to OEM BOV Controller  
Hose Reducer  
Figure 1 - Kit Contents  
TOOLS REQUIRED  
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5mm hex key  
Screw drivers  
Pliers  
Socket Set  
1
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ABOUT YOUR KOMPACT SERIES BOV  
A direct fit high performance replacement for the factory all plastic unit, the Turbosmart Kompact BOV suits the Hyundai i30N Line.  
The Turbosmart unit is made of billet aerospace grade aluminium with high temperature seals that allows for minimal leakage and a  
complete seal across the bypass aperture providing as much performance as possible.  
Benefits include:  
Direct fit upgrade for the factory BOV on Hyundai i30N Line  
Packaged with a blanking plug to switch the unit into pure vent to atmosphere or plumb-back modes  
All billet CNC construction and attractive anodized finish  
Manufactured, assembled and validated in-house at Turbosmart HQ  
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Swivel Nipple  
Connected to the factory  
control solenoid  
Plumb Back Port  
Recirculates excess air to  
turbocharger inlet  
Vent to Atmosphere Port  
Only on “Dual Port” Models)  
(
Vents excess air to  
atmosphere  
Flange Mounting Holes  
Bolt to charge pipe through  
adapter plate  
Sealing O-Rings (Underneath)  
Ensures the valve does not leak  
compressed air.  
Adapter Plate  
Converts the shape of the  
Factory flange to the inlet of the  
Turbosmart BOV  
Note This is not a moulded O  
ring.  
Note May be different  
depending on model.  
Figure 2 – i30N Kompact BOV Overview  
2
FITTING YOUR KOMPACT SERIES BOV  
Identify Diverter valve location  
1
Identify the location of the factory BOV assembly, The Hyundai  
i30N line factory bypass valve is located under the airbox of the  
vehicle, it is easier to remove the divertor valve from underneath  
as it has easier access for removal of the 4 bolts.  
Recirculation hose  
It is possible to access the valve from under the airbox of the  
vehicle. This is harder compared to access from the bottom.  
Removal of the factory air box to allow access for the fitment if  
removing from the top of the car.  
Removing the Divertor valve from the bottom requires the  
removal of the engine splash guard/undertray. This is held on  
with numerous 10mm bolts as well as plastic clips.  
Signal hose  
Remove the four bolts holding the diverter valve to the charge  
pipe and remove from the engine bay.  
Align adapter plate with BOV  
3
Take note of the orientation of the adapter plate with the  
trapezoid passage to be placed against the matching port on the  
charge pipe and the circle port to be against the BOV. Ensure O-  
rings are in place and fit together with the four supplied bolts.  
NOTE!  
Adaptor plate may be different depending on model. Circular  
O ring should be matched to BOV and trapezoidal o ring  
should be matched with car charge pipe.  
NOTE!  
It may be required to remove auxiliary components to  
access the diverter valve, ensure you consult your local  
specialist or a service manual for correct disassembly  
procedures.  
Remove the OEM diverter valve  
2
Remove the recirculation hose from the valve by releasing the  
spring action hose clamp, similarly, remove the signal hose from  
the top of the valve by first releasing the spring action hose  
clamp.  
3
Plumbing your BOV  
5
The BOV kit will come supplied with two sized hoses, the bigger  
diameter hose is required for the Turbosmart BOV which is then  
reduced to the BOV Solenoid controller located on the other  
side of the charge pipe.  
Ensure all connections are correctly seated as well as cable tied  
out of the way.  
Mount your new Turbosmart Kompact BOV  
4
Align your new Turbosmart Kompact BOV with the flange on the  
charge pipe, the bolt pattern will only allow the BOV to be fitted  
in one direction, ensure Both O-rings are correctly seated in their  
grooves and tighten down the bolts.  
Re attached the recirculation hose onto the BOV and tighten the  
hose clamp. Align the swivel nipple on the cap of the BOV and  
attach the signal hose.  
Congratulations, your Turbosmart Kompact Series BOV is  
installed and ready for use. Double check all connections and  
mounting screws. Start your engine and check for leaks.  
4
ADJUSTING YOUR BOV (DUAL PORT ONLY)  
The aim of the adjustment on the Dual port is to make sure that the piston is hard closed at idle and that the piston closes fast enough  
to minimise backfiring and not stall the engine. In most cases, the cap is in the correct position from factory.  
INSTALL THE BOV WITH THE FACTORY SETTING FIRST BEFORE PERFORMING ANY ADJUSTMENT.  
Adjustment to the BOV is made by rotating the cap. To increase the spring force on the piston, rotate the cap clockwise in the direction  
of hard as marked on the top of the cap. To decrease the spring force on the piston, rotate the cap anticlockwise in the direction of  
soft as marked on the top of the cap - CAUTION - Do not rotate the cap beyond the O-Ring groove.  
Start with the BOV cap at the maximum soft position (The indicator O-Ring should be completely covered by the edge of the cap)  
With the engine at idle the exhaust port should be closed off by the piston the piston should be hard against the seat and not  
floating or moving  
Free rev the engine and back off quickly, the engine should return to normal idle speed – if the engine drops below idle or stalls  
increase the spring tension by one turn  
Repeat this process until the engine free revs and returns to normal idle speed  
Test drive the car and ensure that when decelerating or changing gears that the engine has minimal backfiring and no stalling. If  
backfiring is excessive or stalling is noticed then check all connections made during the installation, otherwise increase the spring  
tension  
TROUBLE SHOOTING  
The following points should be checked if you find that your engine is dipping below normal idle, stalling or if the BOV is functioning  
poorly. Please note: the following checks will cure 99% of problems experienced with a BOV.  
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Check the vacuum hose for splits, cracks, loose connection, kinking or any obstruction – old or fatigued hose may collapse  
under vacuum causing an obstruction.  
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With the engine running remove the vacuum / boost hose from the nipple in the cap of the BOV, there should a loud hissing  
sound. The engine should idle poorly, double check by covering the end of the hose with your finger – otherwise the hose is  
blocked.  
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Check to see if the BOV is blocked or contaminated with dirt or debris.  
Ensure that the vacuum / boost source is not shared and that the vacuum source is directly from the inlet manifold.  
Check the seal between the charge pipe flange and the BOV. Make sure the supplied O-Rings are installed properly and  
the BOV Flange is secured on the compressor cover flange with the 3 supplied screws.  
Ensure the spring clamps are secured on silicon hoses and fittings.  
If the valve does not open properly or is slow to react, it could be due to the mapping of the drive by wire system from such  
things as aftermarket chips and engine tunes. Check with the tuner that the mapping of the throttle is the same as OEM.  
The valve may not open if the engine is just free reved. Check that the valve operates by driving the vehicle.  
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