Increase power and performance on my A4 1.8T

Costas · 10-09-2007, 05:21 PM

I just recently purchased a new A4 1.8T 2001 model. The B5 i think ( old shape) which has 150 BHP I believe. I was expecting it to be a bit more aggressive/powerful and make that turbo sound. What am i missing? I was told to chip it and possibly change the air filter t increase the power. I dont have a big idea about how all this stuff works. Any advice on what the best way to do this is and something that wont break the bank either! i would like to have that turbo sound and some more power.

Thanks

**docurley** · 10-09-2007, 06:28 PM

Forget the air filter just have it mapped and change the DV to a 225bhp TT unit and you should be a lot happier.

Costas · 10-10-2007, 05:38 AM

Thanks! sorry to sound ignorant but what does the DV do exactly and how much do you think this will all cost me?

**T-sport** · 10-10-2007, 11:23 AM

The DV is the dump/diverter valve which recirculates the air from the turbo back into the intake system on our cars ..

The stock bosche units are prone to failure and a aftermarket valve is advised if a remap is done ..

New valve like forge etc expect to pay around £100..

Remap which should see you add another 50 bhp increase anywhere betweeen £250 - £500 depending on who you use ..

10-09-2007, 05:21 PM	#1 (permalink)
Costas Newbie Join Date: Oct 2007 Location: London Posts: 2 Gallery: (0)	Increase power and performance on my A4 1.8T I just recently purchased a new A4 1.8T 2001 model. The B5 i think ( old shape) which has 150 BHP I believe. I was expecting it to be a bit more aggressive/powerful and make that turbo sound. What am i missing? I was told to chip it and possibly change the air filter t increase the power. I dont have a big idea about how all this stuff works. Any advice on what the best way to do this is and something that wont break the bank either! i would like to have that turbo sound and some more power. Thanks

10-09-2007, 06:28 PM	#2 (permalink)
docurley Super Moderator Join Date: Sep 2006 Location: London Posts: 765 Gallery: (6)	Forget the air filter just have it mapped and change the DV to a 225bhp TT unit and you should be a lot happier. __________________

10-10-2007, 11:23 AM	#4 (permalink)
T-sport Super Moderator Join Date: Sep 2005 Location: Devon,uk Posts: 1,456 Gallery: (0)	The DV is the dump/diverter valve which recirculates the air from the turbo back into the intake system on our cars .. The stock bosche units are prone to failure and a aftermarket valve is advised if a remap is done .. New valve like forge etc expect to pay around £100.. Remap which should see you add another 50 bhp increase anywhere betweeen £250 - £500 depending on who you use .. __________________ 2002 1.8 T Avant 18" TT Quattro Replicas Forge Motorsport DV

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10-10-2007, 05:38 AM	#3 (permalink)
Costas Newbie Join Date: Oct 2007 Location: London Posts: 2 Gallery: (0)	Thanks! sorry to sound ignorant but what does the DV do exactly and how much do you think this will all cost me?

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