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Engine Modifications
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[Announcement]
Angel Tuning Re Map - Special offer one day only event  Tints N Teaks are having a group tuning day on Saturday 26th September 2009 at Tints N Tweaks.The ad[more ...] By Dave_Retired.  On Fri Sep 18 2009, 09:36am
6 12079 Dave_Retired.
Mon Sep 13 2010, 08:36am
 Forum Threads
EW10A engine tuning  Hello, I will be doing some tuning on EW10A engine.Right now i got:-13.5 Wiseco high compression pis[more ...] By wsx  On Thu Sep 09 2021, 05:24pm
2 2987 MarkTee
Mon Sep 05 2022, 12:41pm
C4 EW10J4 Turbo kit, what ecu setup I should go  Im planning to install turbo kit on my car. Should I go standalone or piggyback? Would like to have [more ...] By wsx  On Mon Jun 21 2021, 01:50pm
None 3032 -
C4 1.6 VTi remap?  Hello...any experience out there of getting a basic remap of a C4 1.6 VTi? Mine's manual, 120bhp. Re[more ...] By jwin  On Mon May 24 2021, 06:08am
2 3282 jwin
Mon May 24 2021, 07:21am
C4 Cactus Radiator Replacement  Hi everyone, my car was in an accident and we don't have any of the parts available in my country. I[more ...] By hbjonothan  On Mon Oct 05 2020, 01:31pm
1 4280 routemaster1
Mon Oct 05 2020, 01:48pm
EGS gearbox re-calibration  Hi. Does anyone know of anywhere in East Berkshire I can have my EGS gearbox recalibrated?Thanks By stevoviking  On Tue Jul 21 2020, 07:38am
1 4444 adamthebaden
Sat Sep 26 2020, 06:48am
Re-Map 2.0 BlueHDi EAT6 2015 C4 Picasso  Hi all,I'm actually considering remapping my car and wanted to know if anyone knows what brand the E[more ...] By White_Thunder  On Thu Nov 07 2019, 12:23pm
None 5158 -
Subtle Power Mods  Hello, Hopefully some of you knowledgeable folk can help me out.I'm in a circle of friends that own [more ...] By Coupe_Bear  On Sun Aug 12 2018, 07:00am
3 6835 White_Thunder
Mon Oct 14 2019, 12:34pm
Viezu Re-map  I have been looking at getting a re-map for my 1.6HDi 110 for a few weeks now.Checking through the F[more ...] By ChevySoul  On Wed Nov 28 2018, 12:36pm
1 6281 White_Thunder
Thu Oct 10 2019, 03:09am
K&N Filter C4 Picasso  Hi All,Just want to share that I have a 2.0 BlueHDi Diesel 150hp engine on my Picasso 2015.I install[more ...] By White_Thunder  On Wed Oct 09 2019, 03:32am
1 5354 White_Thunder
Wed Oct 09 2019, 04:24am
K&N air filter  anyone what filter i need and where best to pick one up? citroen c4 vts By andy2514  On Sat Jan 06 2018, 04:45am
1 7542 FakeConcern
Sat Jan 06 2018, 05:15am
No New Posts on Popular Thread
My modified C4 from Slovenia  Hey everyone, I'm a proud owner of a C4 coupe 1.6 petrol and i'm from Slovenia. I came across this [more ...] By Jasa  On Fri Oct 17 2008, 04:32am
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59 52273 Citro-N
Thu Nov 23 2017, 11:49pm
Boost gauge  Has anyone thought about fitting a boost gauge to their C4 gp 2.0hdi and what other mods are about t[more ...] By Cavalieman2017  On Mon Aug 21 2017, 04:14pm
None 7001 -
Upgrading transmission - C4 2.0i 16V VTS  Hi Everyone,I'm thinking about upgrading some of the transmission on my 2.0i 16V VTS coupe (2006). H[more ...] By Luki  On Mon Aug 14 2017, 06:17am
None 6949 -
Fitting a custom air filter/induction system to a 1.6 HDI...  If you have a C4 Grand Picasso fitted with a 1.6 HDI at some time or other you will have no doubt sh[more ...] By alfsgc4p  On Mon May 01 2017, 08:59am
None 7771 -
C4 1.6hdi Hatchback (2006) Dual Mass Flywheel to Solid Flywheel conversion and performance  Hi Everybody,I recently changed my DMF to Solid Flywheel Conversion (Valeo) in my C4 1.6HDi hatchbac[more ...] By love2drive  On Thu Feb 09 2017, 05:07pm
2 8117 BigJohnD
Fri Feb 10 2017, 06:22am
Want to upgrade intake and exhaust but not getting anywhere.  Hi folks, I have a C4 coupe VTR! 1.4 petrol 88hp and was thinking of upgrading it. I was advised th[more ...] By Modm  On Fri May 13 2016, 06:11pm
4 9880 longshortchris
Tue Aug 09 2016, 05:46am
Magic tuning boxes???  Would I be right in assuming that these £80 boxes of magic tricks won't do exactly what they claim??[more ...] By Grumpy GrandPa  On Sun Jan 31 2010, 02:31pm
7 10671 ATKCreative
Fri May 06 2016, 06:24pm
Angel tuning remap - still worth it?  Hi all, considering the highly acclaimed Angel Tuning remap on my 1.6hdi 110 (non dpf). Figure I'll [more ...] By bencordy  On Wed Mar 02 2016, 06:13pm
5 9505 bencordy
Thu Mar 03 2016, 08:45am
No New Posts on Popular Thread
Induction kit help  What is the best induction kit to buy for a VTS? And why are they so expensive? By andy2514  On Fri Feb 19 2016, 11:18am
13 10899 andy2514
Sat Feb 20 2016, 12:07pm
Mapping out the EGR  I have just spent over £2000 replacing the turbo, cleaning the DPF and Cats etc on my 11 year old Ci[more ...] By cybersimon  On Wed Feb 03 2016, 09:14am
1 8195 vimto2000
Wed Feb 03 2016, 12:21pm
No New Posts on Popular Thread
M-Tech 6 speed Short Shifter  I today purchased the M-Tech Short shifter I shall keep you all posted on how it fits and feels wh[more ...] By hill_bill10  On Thu Jan 07 2016, 03:20pm
11 10565 Nicholas221078
Tue Jan 19 2016, 02:29pm
Typhoon induction kit  Hi - where the best place to get the Typhoon kit?2006 2.0 VTS.Cheers,David. By woodside  On Thu May 07 2015, 09:27am
8 10202 bobbyla
Mon Dec 28 2015, 09:14am
DW10BTED4 FAP removal  When disabling FAP from ECU sw in 2.0HDi, do you absolutely have to remove all related wires (additi[more ...] By Pt_picasso  On Mon Nov 16 2015, 10:17am
None 7750 -
[moved] C4 2005 Upgrades  Hello Dears,THis is the first time i Post in this great page!I will need your help as most of you ar[more ...] By AbdAllahkm  On Thu Aug 13 2015, 06:25am
2 9040 wozza
Thu Aug 13 2015, 11:01pm
Citroen C4 1.6 HDi 109hp + chiptuning (remap BSI or change turbo + intercoler )  Hi all,It's my first topic in C4owners.orgI'm from Poland and I've C4 2005yr. 1.6 HDi 109 hp.One mon[more ...] By JacobPL  On Sat Jul 25 2015, 09:53am
3 10939 wozza
Mon Jul 27 2015, 08:08pm
No New Posts on Popular Thread
Adding some parts  Evening, looking for some pointers on what to buy to get that little extra bhp out of my Loeb 1.6 pe[more ...] By andy2514  On Tue May 05 2015, 02:29pm
Goto page: [ 1 2 3 4 5 ]
68 56282 andy2514
Sun Jun 07 2015, 07:46am
K&N Panel Filter  Hi all, just finished fitting my K & N panel filter. Was a pig of a job (was determined to do it[more ...] By bencordy  On Thu Apr 16 2015, 11:41am
2 9175 Dave_Retired.
Sun May 03 2015, 11:28am
C4 Coupe - fuel injector and other mods  Hello. I have a few questions about TU5JP4 engine modifications, so if it is possible to increase hi[more ...] By Docencik  On Fri Mar 20 2015, 09:32am
1 8956 BigJohnD
Fri Mar 20 2015, 10:18am
Gearbox swap on EW engine  Hello fellow UK C4 owners,I managed to purchase an imported BE3/6 gearbox (306 GTI-6 was never offic[more ...] By f411  On Thu May 22 2014, 04:18pm
3 11739 Dave_Retired.
Fri Feb 13 2015, 02:41am
No New Posts on Popular Thread
Wozza's new exhaust  After saying I was getting it done for a while finally today got round to getting my exhaust done. J[more ...] By wozza  On Thu Aug 09 2012, 12:17pm
Goto page: [ 1 2 3 ]
39 41255 RollerMAN
Tue Apr 01 2014, 01:28pm
C4 VTS 2.0 turbo project  Hi everyone. I've been driving my VTS for nearly a year and thinking on going a big engine project s[more ...] By goose  On Sat Feb 08 2014, 06:47am
6 11516 The Gunslinger
Mon Mar 17 2014, 07:14am
1.6 petrol inlet manifold  Hifairly new to this site but need some advice I am in the process of installing LPG kit on my 1.6 p[more ...] By robbie1944  On Fri Mar 14 2014, 11:08am
2 9102 Dominik1978
Fri Mar 14 2014, 02:00pm
No New Posts on Popular Thread
Engine swap help  Wondering if it's possible for straight forward swap from 05- 1.4 to newer 1.6 120bhp BMW/PSA engine[more ...] By smagee090886  On Tue Aug 27 2013, 09:17am
Goto page: [ 1 2 ]
22 28463 wozza
Thu Aug 29 2013, 12:50pm
No New Posts on Popular Thread
Off to longlife on Friday  Getting a stainless system from the cat. Will post some pics/vids if anyone is interested By LewisR  On Mon Jul 15 2013, 04:12pm
11 11039 LewisR
Sun Jul 21 2013, 06:13am
VTR Coupe engine??  I've seen a few threads on engine mods for my 1.6 petrol but what else could I do to get a bit more [more ...] By curtis699909  On Sun Feb 03 2013, 06:26pm
6 11146 wozza
Fri May 17 2013, 08:30pm
Closed Thread
Potential bhp gains?  Can I fit a bigger front mount intercooler on my 2.0HDi VTS? Any potential gains/flaws?What power ca[more ...] By rew  On Sun Mar 31 2013, 03:28am
Goto page: [ 1 2 ]
15 28501 Dave_Retired.
Wed Apr 03 2013, 10:28am
DIY air intake  so i know that there are some threads on this anyway but they are dated and this is the reason that [more ...] By Tobycooke  On Mon Apr 01 2013, 01:14pm
1 9910 Tobycooke
Tue Apr 02 2013, 01:18pm
Just ordered parts for my custom induction kit.  Just placed my order for some silicone hoses and filters from APMotorstore.com Got 2 Silicon Elbows4[more ...] By Shaneygreen  On Mon Dec 10 2012, 11:12am
2 9794 G4ZZ
Tue Mar 19 2013, 10:09am
No New Posts on Popular Thread
Remapping  Hi everyone, I'm new to this and only joined last week!!!I've a coupe 1.6 HDi (110) and am having i[more ...] By tigger  On Wed Aug 22 2007, 03:18pm
Goto page: [ 1 2 ]
22 33068 sadielady
Mon Mar 04 2013, 03:34pm
[moved] C4 VTS remap which software?  Hi guys I've decided to add some 'juice' to my VTS by doing remap. now since there's lot of software[more ...] By goose  On Sat Feb 16 2013, 01:22pm
6 11911 CamM
Mon Feb 18 2013, 04:18am
No New Posts on Popular Thread
Induction kit for 1.6 VTR petrol  Can anyone recommend and induction kit and somewere to buy it from?I have a 1.6 VTR petrol 2006Thank[more ...] By craig26983  On Wed Dec 23 2009, 03:19pm
Goto page: [ 1 2 3 4 5 ]
68 68391 Shaneygreen
Mon Dec 10 2012, 06:49am
HDi ECU remappers in Australia?  Hi all, I've got a 2007 C4 Pic with the 2.0 HDi and 6 speed auto (not EGS) can anyone recommend a go[more ...] By bigbruggsy  On Tue Oct 30 2012, 09:27pm
8 11407 bigbruggsy
Sat Nov 10 2012, 02:29pm
TUNIT / auto gear change quality  NEWBIE & yes I've searched! Swapping my TUNIT from current car to 2012 C4 1.6eHDI auto - apparen[more ...] By scimitargtc  On Thu Oct 11 2012, 03:45pm
1 9813 Dave_Retired.
Fri Oct 12 2012, 01:53am
Another remap question ;)  Hi Guys,Got my 1.6 HDi couple of weeks ago and it seems a lot faster than my petrol 1.6 that I had a[more ...] By Jaimewhitton  On Wed Oct 10 2012, 11:15am
7 10734 BigJohnD
Thu Oct 11 2012, 07:40am
Celox +15BHP Power Module/Chip, Too good to be true?  Stumbled upon this at the Amazon. Didn't find previous threads of it. Has anyone had the courage to [more ...] By pyyno  On Mon Sep 10 2012, 10:34am
2 10777 pyyno
Mon Sep 10 2012, 10:44am
No New Posts on Popular Thread
C4 VTR 1.6 110bhp remap (Edit: Petrol engined)  Anyone had it done? Would i need to uprate the car in anyway? Clutch etc?Thanks.Shane. By Shaneygreen  On Fri Aug 27 2010, 01:41pm
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98 86728 C4Darren
Wed Aug 22 2012, 11:08am
De-cat, filter or induction?  Right then C4-folks, planning my next mods and I need your advice:I'm going to change my oil next we[more ...] By Gooner_Mike  On Sun Aug 14 2011, 09:59am
5 11621 spizlot3
Thu Aug 02 2012, 05:01am
No New Posts on Popular Thread
Exhaust manifold  What ones fit?My car is a C4 1.6 16v.I'm aware of the C2 VTS one fitting but are there other?106 Sax[more ...] By Nathan_D  On Tue Jun 12 2012, 06:16am
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22 29811 Sonny
Sat Jul 21 2012, 03:30am
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Remapping a 1.6 Again!!!!!  The age old question has After a discussion with Tom on Facebook, he suggested contacting somewhere [more ...] By Sonny  On Sat Jan 15 2011, 12:48am
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27 34393 C4Darren
Fri Jul 20 2012, 07:49pm
Oil breather options?  I'm looking at fitting my BMC CDA air filter, using silicon hoses to locate it in front of the batte[more ...] By Nathan_D  On Sat Jun 09 2012, 04:01pm
8 14087 Shaneygreen
Thu Jul 19 2012, 06:28am
No New Posts on Popular Thread
1.6 petrol engine mods - help!!  I want some more power for the engine but struggling to find bits for it, does anyone have some idea[more ...] By bambaaaa  On Wed May 11 2011, 04:41am
13 13922 XUD7TE
Tue Jul 10 2012, 11:15am
Closed Thread
C4 vtr coupe induction kit ?  I have a 2007 C4 VTR+ coupe , 1.6i 16v and really fancy a induction kit but i have no idea which one[more ...] By Washpy81  On Tue Jun 26 2012, 01:47pm
1 9691 Dave_Retired.
Wed Jun 27 2012, 12:19am
1.4 16v Induction Kit Fitted  Hi all, just wanted to post some pics of my new induction kit.Got everything shown for £35 inc posta[more ...] By mike_b  On Wed Jun 13 2012, 10:57am
7 12414 Stuey
Thu Jun 14 2012, 07:48am
C4 HDi VTS 136bhp Re-map  I am debating whether to have my beloved C4 re-mapped. My local tuning company have quoted me 186bhp[more ...] By surfer6969  On Fri May 04 2012, 05:54pm
4 11685 surfer6969
Sat May 05 2012, 09:29am
engine mods  howdy all.im the proud owner of a 1.6HDi 92bhp c4 carvan. the only problem is im finding it a little[more ...] By Ciaran_C4  On Fri Apr 27 2012, 02:41pm
1 9754 wozza
Fri Apr 27 2012, 02:47pm
No New Posts on Popular Thread
Manifold and 100 cell cat plus other questions!  Afternoon guys n gals,I'm trying to find a manifold for my vts, I've had a look about and there's no[more ...] By Gooders  On Thu Nov 10 2011, 09:10am
13 12755 The Gunslinger
Wed Apr 18 2012, 04:40am
VTR EW10A exhaust upgrade, gear ratios  Hi everyone, this is my first post here.I'm from Brazil and bought recently a C4 2.0 16V, it's a EW10A equipped car, and it's been a nice car, way more smooth than my older Focus (Mk1).But I have the sensation that the exhaust is rather restricted, and I want to change my exhaust, the whole thing, from manifold to the backbox including decat.Reading here someone said that the manifold from the VTS are better, but I never saw one of those, looking around on ebay for 206 GTi parts, the manifolds that we're available I was looking to buy a VTS OEM one, cause I've had problems with no name parts in the past. where I can find one of the OEMs?I was planning to remove the cats, will the engine management go crazy? There's something that I can do to avoid it?And about the gear ratios, there's any gearbox that have longer ratios? A C5 gearbox or others? I found the 60 mph @ 3000rpm rather annoying... it's a 5 speed gearbox....Thanks! By padula  On Tue Mar 06 2012, 11:28pm
4 12647 Gooders
Fri Mar 30 2012, 12:52pm
No New Posts on Popular Thread
VTS 2.0 HDi Re Map - With Results.  Well getting the recently acquired C4 2.0 HDi VTS remapped tomorrow at PDT Tuning in Sunderland will[more ...] By craig573  On Sun Nov 20 2011, 04:35am
Goto page: [ 1 2 ]
19 33041 Bhavik
Wed Mar 28 2012, 07:33am
No New Posts on Popular Thread
Induction kit VTR+  I want to get an induction kit for my C4 VTR+ .. Which is the better kit to go for ? K&N or Pipercro[more ...] By Brimski  On Sat Dec 03 2011, 05:29pm
12 5244 Sonny
Sun Mar 18 2012, 03:45pm
Exhaust manifold  Hi, I was wondering if this manifold would fit my 1.6 VTR coupe ? - Click Here -  By bambaaaa  On Wed Feb 01 2012, 06:49am
4 10896 Sonny
Tue Feb 14 2012, 03:24pm
Small amount of oil  I took my induction kit off to have my alarm fitted and I found a tiny bit of oil in the induction p[more ...] By littlegaz  On Sun Feb 12 2012, 12:24pm
3 10336 littlegaz
Sun Feb 12 2012, 12:45pm
K&N vs BMC  Hi all,In an earlier post ( - Click Here - ) I mentioned I was considering a K&N high flow pan[more ...] By CamM  On Wed Jan 04 2012, 03:53am
5 10992 CamM
Wed Jan 04 2012, 10:44pm
No New Posts on Popular Thread
Angel Tuning, help  Ok rang Angel Tuning yesterday and was quoted 275 for my C4 2.0 HDi and told I could get an extra 35[more ...] By heap1000  On Tue Nov 29 2011, 11:28am
Goto page: [ 1 2 ]
18 29329 pedal
Tue Dec 20 2011, 07:01am
No New Posts on Popular Thread
C4 VTS Replacement Air Filter  I got my new C4 VTS (180bhp) and am considering a replacement air filter (itg) for it. I'm not reall[more ...] By tietkej  On Thu Feb 12 2009, 03:22pm
Goto page: [ 1 2 3 ]
30 42884 IvanVTS
Mon Nov 28 2011, 08:48pm
No New Posts on Popular Thread
C4 Performance exhaust  I am looking for a backbox aftermarket exhaust for my 55 plate C4 VTR+0. I don't really want to go t[more ...] By Brimski  On Fri Nov 25 2011, 10:23am
Goto page: [ 1 2 ]
15 31923 Sonny
Mon Nov 28 2011, 03:51pm
Induction Kit help needed for a Citroën C4  Hi thereI am wanting to purchase an induction kit for my Citroen C4 Loeb 1.6 but I haven't any ideas[more ...] By littlegaz  On Tue Oct 04 2011, 12:11pm
8 14874 Gooders
Fri Nov 04 2011, 06:10am
remaps still available for VTS?  I emailed Angel Tuning regarding a remap for my VTS and I got the following reply:Dear LeeThank you [more ...] By NiteSite  On Thu Nov 03 2011, 11:42am
5 10605 wozza
Thu Nov 03 2011, 06:13pm
DCP Tuning  Has anybody got any experience with DCP tunings mobile service, I'm looking at having the C4 1.6HDI [more ...] By Sp3noExclusive  On Mon Oct 17 2011, 08:04am
3 10458 Sp3noExclusive
Mon Oct 17 2011, 10:48am
No New Posts on Popular Thread
C4 Turbo Conversion Kits - DP Engineering in the Netherlands  Enquired recently regarding a C4 Turbo Conversion Company: DP Engineering in the Netherlandsemail: [more ...] By JonM  On Fri Mar 05 2010, 01:08pm
Goto page: [ 1 2 ]
26 45953 Babbels
Fri Oct 07 2011, 05:19am
Turbo swap?  Does the turbo on an original 1.6 HDi 110 produce more power than the one on an original 1.6 HDi 92 [more ...] By bingbonguk  On Sat Aug 27 2011, 09:40am
3 10638 BigJohnD
Sat Aug 27 2011, 02:46pm
No New Posts on Popular Thread
C4 1.4 electric sounding, why, how to solve  Ever since I had my C4 1.4 notice it sounds electric, and all others do too, just wondering whether [more ...] By wizers  On Fri Oct 22 2010, 01:13pm
12 12826 shogan
Wed Aug 10 2011, 12:56pm
Undo a remap? 1.6HDi VTR coupe  I had my C4 1.6Hdi Coupe remapped 2 years ago and well....I got extra MPG and a huge boost in perfor[more ...] By mole_uk  On Sat Aug 06 2011, 11:26am
9 17296 mole_uk
Mon Aug 08 2011, 12:33pm
No New Posts on Popular Thread
Angel Tuning Gold Package 20/04/2011  Hi guys,Right after almost a year of thinking about it I finally got the gold package from angel tun[more ...] By damian24  On Wed Apr 20 2011, 12:23pm
Goto page: [ 1 2 3 ]
34 43020 Dave_Retired.
Thu Aug 04 2011, 12:52pm
C4 1.6HDi EGS Engine re-mapping  Several companies offer a remapping service on this engine, which apparently gives approx 25% increa[more ...] By lambo74  On Tue Jul 05 2011, 02:58pm
6 12464 pedal
Thu Jul 07 2011, 02:19am
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