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VW Golf 4 GTI 1.8T 20V
1.8T Engine Tuning Guides
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Tuning Guides

Tuning guide for 1.8T AGU engines with 150 PS

Maximum power for Golf 4 and A3 with engine code AGU
by
Bartek Bartoszewicz
Tuning Professional

Ultimate power for AGU engines with 150 hp

We help with your tuning project – In this tuning guide you’ll find the four tuning stages that will get your AGU engine up to as much as 320 hp. The guide doesn’t just tell you all the parts you need – it provides important tips as well. This is the safe and sure-fire way to maximum power!

And for all those who find that not enough performance, we have put together another bundle for you. With level 5 you get 666 hp!

 

Installed in:

  • VW Golf 4 (Type 1J)
  • Audi A3 (Type 8L)

Year of construction:

1998 – 2002

Engine code:

  • AGU

The parts listed below should also fit in the largely identical engines AGN, AQA, ARZ, AUM and AUQ with an output between 125 and 180 hp.

The values ​​given are based on our experience with our Golf 4 GTI project.

You need this extra to make it last:

You don't need any additional components here. Simply install and have fun! Do not use Longlife oil, our GTX Racing Oil 10W-60 oil is better.

BAR-TEK® TIP!

We recommend filling up with 102 octane fuel. This will give your engine more power because it knocks less! The turbocharger should not be too old. Engine in good condition. The basis must be right.

We recommend filling up with 102 octane fuel. This will give your engine more power because it knocks less! The turbocharger should not be too old. Engine in good condition. The basis must be right.

Product Bundle 1
Group 6
BAR-TEK® 1.8T AGU Stage 1 - Bundle
Maximum performance on a budget
Perfect for getting started
Top price-performance ratio
The engine software must also be adapted for every tuning!
Benzindruckregler einstellbar 1.8T; VR6; R32 BAR-TEK®
+
Druckrohr Upgrade
+
+
+
+
+
1.8T Pipercross Luftfilter
Total
€964.66
incl. VAT

Immediately ready for shipment!

You need this extra to make it last:

To bring the extra power to the road, you need a sports clutch, because the original clutch cannot transfer the power. For the conversion to K04-01 upgrade turbocharger you have to install a racing cat and our upgrade air mass meter. A downpipe is a must.

BAR-TEK® TIP!

If you have already installed a sports cat, an intake hose and an upgrade intercooler, you can continue to use them. With an upgrade intercooler you also have the complete performance available in summer! If you want to get 220 hp right away, order the tuning kit level 3 directly! That saves money.

If you have already installed a sports cat, an intake hose and an upgrade intercooler, you can continue to use them. With an upgrade intercooler you also have the complete performance available in summer! If you want to get 220 hp right away, order the tuning kit level 3 directly! That saves money.

Product Bundle 2
Group 6
Group 6
BAR-TEK® 1.8T AGU Stage 2 - Bundle
With intercooler
Perfect ignition
Next Level Tuning
The engine software must also be adapted for every tuning!
Benzindruckregler einstellbar 1.8T; VR6; R32 BAR-TEK®
+
Druckrohr Upgrade
+
+
+
+
+
Total
€5,361.31
incl. VAT

Immediately ready for shipment!