B5 S4: Modifications
B5 S4: Modifications
This thread is an index to other threads about modifying the S4.
Adding posts to this thread
Members are welcome to add to this thread as long as the following rules are met:
1) This thread is not for discussion - if you want to ask about it please start a new post.
2) New issues should follow the same format - a clear title followed by a short concise summary, then links to the threads that provide the detail.
3) Existing issues can be edited, primarily to add more links. If you can't edit the thread, either add a post with the changes, and a moderator will tidy the thread later, or else start a new thread requesting the changes.
Adding posts to this thread
Members are welcome to add to this thread as long as the following rules are met:
1) This thread is not for discussion - if you want to ask about it please start a new post.
2) New issues should follow the same format - a clear title followed by a short concise summary, then links to the threads that provide the detail.
3) Existing issues can be edited, primarily to add more links. If you can't edit the thread, either add a post with the changes, and a moderator will tidy the thread later, or else start a new thread requesting the changes.
Last edited by Dippy on Thu Dec 21, 2006 8:44 pm, edited 1 time in total.
2001 Silver S4 Avant
AmD remap, APR R1 DVs, APR bipipe, Full Miltek exhaust
H&R coilovers, AWE DTS, Porsche front brakes, Short-shifter, 18" RS4 replicas
Defi-HUD boost gauge / turbo-timer (with afterrun pump modification), Phatbox
AmD remap, APR R1 DVs, APR bipipe, Full Miltek exhaust
H&R coilovers, AWE DTS, Porsche front brakes, Short-shifter, 18" RS4 replicas
Defi-HUD boost gauge / turbo-timer (with afterrun pump modification), Phatbox
RE: B5 S4: Modifications
AFTERRUN PUMP
The S4 has a secondary waterpump which can be turned on by the ECU when the water temperature is very high. The pump operates in 'reverse direction' to the normal water flow so that air bubbles which form in the turbo water jackets are dissipated in the block. The following threads detail methods of modfying this so that the pump can provide turbo cooling after journeys:
The S4 has a secondary waterpump which can be turned on by the ECU when the water temperature is very high. The pump operates in 'reverse direction' to the normal water flow so that air bubbles which form in the turbo water jackets are dissipated in the block. The following threads detail methods of modfying this so that the pump can provide turbo cooling after journeys:
2001 Silver S4 Avant
AmD remap, APR R1 DVs, APR bipipe, Full Miltek exhaust
H&R coilovers, AWE DTS, Porsche front brakes, Short-shifter, 18" RS4 replicas
Defi-HUD boost gauge / turbo-timer (with afterrun pump modification), Phatbox
AmD remap, APR R1 DVs, APR bipipe, Full Miltek exhaust
H&R coilovers, AWE DTS, Porsche front brakes, Short-shifter, 18" RS4 replicas
Defi-HUD boost gauge / turbo-timer (with afterrun pump modification), Phatbox
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- 4th Gear
- Posts: 585
- Joined: Thu Dec 16, 2004 12:56 pm
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After-run Pump Modification
This is the best thread I have found for the after run pump mod:
http://www.rs246.com/index.php?name=PNp ... t=run+pump
John
This is the best thread I have found for the after run pump mod:
http://www.rs246.com/index.php?name=PNp ... t=run+pump
John
2000 MAINTENANCE SCHEDULE
As it says in my gallery
http://www.rs246.com/modules.php?op=mod ... at=0&pos=0
As it says in my gallery
http://www.rs246.com/modules.php?op=mod ... at=0&pos=0
S4B5 Avant
HEADLIGHTS
General discussion and info on upgrading headlights
http://www.rs246.com/index.php?name=PNp ... ht=#150279
General discussion and info on upgrading headlights
http://www.rs246.com/index.php?name=PNp ... ht=#150279
S4B5 Avant
S8 REAR BRAKE UPGRADE
Excellent tech article on AW:
http://forums.audiworld.com/s4/msgs/1716040.phtml
Excellent tech article on AW:
http://forums.audiworld.com/s4/msgs/1716040.phtml
S4B5 Avant
APR BIPIPE
As the flexible throttle body boot (TBB) can split, causing an air-leak, one solution is the APR bipipe. This thread covers members' experiences of fitting it (APR's instructions are good and a link is included).
http://www.rs246.com/index.php?name=PNp ... ic&t=64321
As the flexible throttle body boot (TBB) can split, causing an air-leak, one solution is the APR bipipe. This thread covers members' experiences of fitting it (APR's instructions are good and a link is included).
http://www.rs246.com/index.php?name=PNp ... ic&t=64321
2001 Silver S4 Avant
AmD remap, APR R1 DVs, APR bipipe, Full Miltek exhaust
H&R coilovers, AWE DTS, Porsche front brakes, Short-shifter, 18" RS4 replicas
Defi-HUD boost gauge / turbo-timer (with afterrun pump modification), Phatbox
AmD remap, APR R1 DVs, APR bipipe, Full Miltek exhaust
H&R coilovers, AWE DTS, Porsche front brakes, Short-shifter, 18" RS4 replicas
Defi-HUD boost gauge / turbo-timer (with afterrun pump modification), Phatbox
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