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Hello - newbie here and this may be a newbie question! I have recently purchased an S4 Avant B9 (2017 354ps) and have had conflicting views on the best fuel to run - ordinary 95 Octane or 97/99 Octane Premium. I am likely to install a stage 1 ECU remap and the specialist tuning firm have recommended the higher octane offering as the tune is tailored accordingly (I’m told). Any feedback would be welcomed thanks.

Hi, Could anyone help me with this query. I'd like to upgrade the discs and calipers on my Audi A4 2.0TDI. Its got a sticking front caliper and I need new pads and discs. I currently have 288mm discs and ATE calipers. I'd like to upgrade to 320mm discs and calipers is this possible? Would S4 brakes fit? I'm guessing i'd need new mounting brackets as well as discs,pads and caliper's? Has anyone doen this before that could give me some advice. Thanks Duncan

Evening, So after a random message, i have managed to buy back my old S4 Cabrio that i previously owned a few years ago from the family that i sold it to. It's been well looked after and although miles have piled on i couldn't resist and it's now back on my driveway. Look forward to being part of the club and spending a bit of time bringing the car back to it's former glory. First job will be a full machine polish and paint correction. Cheers

Used 365 mm 8 pot caliper set up fro sale including flexi hoses, the discs have done less than 2000 miles from new, can be seen working as still on the car atm photo of when they were fitted and is not up to date! Looking for £1000 ono for the lot

Audi S4 2012. 3L V6 petrol (330bhp) MOT and good service history! 67,000 miles. Fully Loaded with Sat Nav and bang and olufsen sound system. Fully automatic with tiptronic steering wheel paddles. Xenon head lights. Custom fitted cat-back exhaust (also includes original exhaust to set to standard within price). 4 fairly new tyres, recently had new disks and pads on front and recent Quattro wheel alignment. 2 owners including myself. All work and services in past been done by an audi approved garage. I bought 4 years ago from a volkswagen dealer. In great condition and never had any mechanical problems or been in an accident.

Good morning all, I've just joined the Club and am not very familiar with Forums so if I have posted in the wrong place or broken any unwritten rules then apologies. I've just bought the attached 2004 Audi S4 4.2L V8 Quattro and am looking for a subtle bumper enhancement to give it a bit more presence. I stumbled across a bumper addition to a similar car (see the lip circled in the attached) which I think looks great. I don't know for sure if this is after market or an Audi option and cannot find it anywhere (after ages looping around Google). I would really appreciate any help tracking it down or suggestions for other bodykits which might work well with my car. All suggestions welcome! Thanks Steve

I’m looking for an aftermarket diffuser for a S4, B8.5. Something like in the photos would do, could be second hand. Drop me a line if you have something.

Hello everyone, I'm Matt and thought I would briefly introduce myself and my 2005 (55) S4 B7 4.2V8 Quattro. I bought my S4 in March 2018 as a treat to myself following some tough times. Two years on and I still can't drive it, but I'm determined that's going to change this year. If anyone can recommend a good place to get engine parts at OEM or uprated standard without paying stealer prices, I'm all ears! 😊

Welcome! With regret the time has come to put this beautiful car up for sale which I've owned for 5 months with the sole intention to take it around Europe on an extended trip. From cold starts in the 5c UK morning to high speed cruising through France in the 38c summer heat, it never let us down even once. An absolute testament to Audi, the previous owners and the professionals who have worked on this car through the years. Absolutely no expense spared, all modifications professionally done with receipts totalling near £20,000! This is for me the ultimate touring car, with room to spare holding 4 x 32kg suitcases and performance to make you feel like you're in a leather clad rocket that can still manage 32mpg!! Car was serviced before purchase and twice over my ownership (Millers CFS 5w40 NT+) with plenty of brakes and tyre tread remaining. During my 10,000 miles I have done little but clean, service and fuel the car. One water-to-air intercooler was replaced to fix a slow leak which has not returned since. I went above and beyond in my servicing by also changing the supercharger oil per general consensus of modified performance enthusiasts along with the charger belt and a magnetic oil sump plug. Car recently treated to full wax, machine polish & paint protection at considerable cost, so completely free of swirl marks! Comes with 3 keys & leather Audi keyring. Owned by 5 previous car enthusiasts, car has a full history (vast majority Audi), original service manuals with the Audi folder, including the factory vehicle inspection form, tonnes more paperwork, this is a later 2010 model and has had all common issues (water pump, gearbox) already remedied by Audi obviously with receipts to prove. Visually: The deep sea blue pearlescent paint is simply magnificent, sparkles and changes colour depending on viewing angle and lighting. The car has subtle visual modifications setting it above and beyond all other Audis new and old, aiming for a stealthy low key yet aggressive look. Surrounding the bottom of the car are custom silver painted sideskirts, splitter and diffuser complete with a custom black & red Audi Sport colour theme, with the front and rear RS bumpers and black Milltek exhaust tips bringing together an excellent RS style package that turns heads everywhere. All badges except the Audi emblem have been removed, window trim chrome has been blacked-out and rear windows tinted. To finish off, the car has been lowered slightly, sitting on 20" genuine Audi RS6 "peeler" alloy wheels showcasing drilled & grooved 2-piece performance brake discs. All of this, I can attest, is to zero compromise on practicality, this beauty truly flaunts the timeless saloon car figure and propels styling, performance, handling and safety to the next level, whilst maintaining Audi comfort and luxury. Interior & Specifications: Top spec dual-clutch 4-wheel drive QUATTRO model with tonnes of features all of which are working. Lots of modern features included; ABS, dual climate control, sat nav, auto xenon headlights & auto rain wipers with adjustable sensitivity. Add to that traction & stability control, combined with the excellent semi-automatic 7 speed S-Tronic DSG gearbox that allows manual override via both flappy paddles and gear-stick, you also have Audi drive (mode) select, the coveted Audi rear sports differential, adaptive suspension dampening and adjustable dynamic steering feedback. Inside is in PRISTINE condition; 2-tone black and beige leathersport seats - heated, carbon atlas interior, B&O audio system with 11 speakers including sub-woofer, metal foot pedals, lighting pack (foot well, doors & glove box), cruise control, Sat Nav, DAB radio, Bluetooth & AUX adapters for MMI with DVD player plus in-built + SD card storage. Aircon and dual climate control with rear passenger control, HID bi-xenon auto-on and auto-levelling headlights, electric seat adjustment for both seats, leather multi-function steering wheel, premium protective floor mats in all foot wells, electric adjusted & heated wing mirrors, auto dimming rear-view mirror, front & rear parking sensors with centre console distance display, heat insulating glass, spare tyre & toolkit in the rear. Modifications list: Stage 2 Custom dyno tune by renowned MRC Tuning in Banbury, various dynos over the years showing 471-491BHP & 580-588Nm Torque DSG (gearbox) remap providing higher torque & rev limit, with launch control (only used half a dozen times) Enlarged supercharger crank pulley & high-grip belt to increase boost Full custom 2.75" resonated exhaust system by Milltek costing around £3.5k (no drone!) Intake kit with larger intake hose, K&N filter, and modified airbox for extra cold air flow ECS Tuning wheel spacers & 2-piece slotted & drilled brake rotors with EBC Redstuff pads Height adjustable KW progressive springs (with original Audi dynamic adjustable dampers) Genuine 20" Audi RS6 alloy wheels and Michelin Pilot Sport 4S tyres X-UK RS4 style front bumper (with parking sensors) Audi RS5 rear bumper (with parking sensors) STaSIS 28mm rear anti-roll bar 034Motorsport engine torque mount Full Interior LED light conversion B8.5 metal foot pedals Custom RS colour theme on bumper/sideskirts Rear windows professionally tinted All badges except Audi emblem are removed Blacked out chrome on window trims Hidden tracker fitted (requires subscription) not any old GPS tracker, this is the real deal! The car has also been reprogrammed to unlock additional functionality via software including the Audi debug menu, RS dashboard needle sweep upon start, oil temperature & battery level displays, enabled lowering of passenger window when reverse gear is engaged, keeping on daylight running lights when indicating, and closing/opening windows by holding down lock/unlock from remote key fob. Negatives: This is a daily driven car and certainly no garage queen which makes it's condition even more impressive. To note; few minor stone marks on front, also marks on rear bumper, small 1p crack in windshield out of driver's main view (MOT pass), shallow scuffing on edge of alloys, 1 of 2 front 12v sockets is not working. Available to view near Bristol on weekends, or during the week after 1pm - 07598901334 Price is open to offers. This car is insured for £18,000 guaranteed asset protection justified by insurers due to the car's accolade, historical records and paperwork. No test drives without cash in hand, no exceptions. I will take you out as passenger if you cannot leave payment behind. Currently located near Bristol, subject to change as we're still travelling until New Years! Don't hesitate to contact me with any questions. You will not be disappointed! Video will be added here once weather clears up For now here's some photos:

My beloved s4 is for sale. Lots of spec including power tailgate, reverse camera, SatNav, keyless start, load through seats, factory fitted privacy glass and super sport seats in red and black with s4 logo embossed. On top of all the standard features, including, fully electric heated front seats, automatic 7 speed gearbox with paddle shift, 19" alloy wheels, bi-xenon headlights, front and rear parking sensors, B&O sound system. The car has 84500 miles and has full Audi service history (last serviced in Feb 19)with only 1 previous owner. £15500 For any more info please feel free to call 0770102044 or email simonwhitby88@gmail.com

Looking to replace my 2005 S4 B6 stock 18" wheels with 19" Le Mans alloys. Has anyone done this? What exact spec 19" alloys and tyres will safely fit the car?

Afternoon! I've just agreed on a deal for an S4 Saloon with delivery hopefully in July. It will replace my 16 plate Octavia VRS TDi, so I look forward to the massive hike in fuel bills! It'll be my first Audi, so pretty excited all in all :D

Hi all. I had my MRC stage 2 with stronic remap done a few months back and have now had time to settle in to it and do some 0-60 testing. Its my DD and i usually poodle around getting 28mpg according to the on board computer. This hasn't really changed but i'm not sure how its calculated and probably doesn't factor in the additional fuel burn as a result of the modifications. However, 300+ miles is the norm per tank. Cost - Very reasonable at £1600 all in. process - nice and easy. I just dropped the car off and it was done in a few hours. The Dyno showed 485 before losses!! The acceleration is amazing and the car just pulls and pulls. The sound of the supercharger is awesome but takes some getting used to. I ran some times on my VBOX sport as below : Weather was dry, elevation varying a little and i had 3/4 tank of fuel. Run 1 - 4.03 ESC on Run 2 - 4.06 - ESC 0n Run 3 - 3.89 - ESC off Run 4 - 3.87 - ESC off Run 5 - 3.64 - LC - This run had a very slight incline of 2m. On a strip, I think it would go to 3.5 or better. Its a completely different car but there are a few negatives; 1. Warranty could be affected. I only have a few months left anyway 2. Insurance is higher. Due to the BHP increase, mine increased from £385 to £600 3. Increased risk of drivetrain failure if you drive like a plank. 4. Might affect value when you come to sell. I think you need to keep mileage down and demonstrate meticulous maintenance. I'll be selling my Vbox sport once i have a few more times if anyone fancies one!

Thank you for viewing my advert. I am selling my Full Remus Non Resonated Cat Back Exhaust System. This was originally fitted to a 2013 Audi S4 (V6) saloon as a demonstration at a car show and had covered around 50 miles. I then purchased from the original buyer for my car. I drive a van as a daily so on my Audi this has covered a maximum of 50 miles. The exhaust is absolutely immaculate and is pretty much BRAND NEW; like I say its only covered a maximum of 100 miles. Reason for sale is that my Mrs will be using the car as a daily soon and so wants the OEM put back on. This exhaust fits the following Audi S4 & S5 cars (as also shown in photos):- Audi S4 B8 Quattro Saloon & Avant (3.0 TFSI V6) 2010=> Audi S5 Quattro Coupe, Typ 8T (4.2 FSI V8) 2007=> Audi S5 Quattro Coupe, Typ 8T 2011=> Audi S5 Quattro Sportback & Cabro, Typ 8T (3.0 TFSI V6) 2009=> I am based in Newcastle upon Tyne and would prefer this to be collected rather than posted. However, please contact me to discuss shipping options which I would need to look into depending on the circumstances. Depending on how far away you live, I may be happy to meet you somewhere to help out. Please drop me a message if interested, I am more than happy to send any further information or photos :). £950 Cheers guys! Andrew

Hi, I have a 2009 Audi S4 B8 and the clutch is slipping so i need a new one. I bought the car modified so don't know the exact mods. I know it has high torque racing pulleys on the super charger from MRC. I think MRC did a custom map on it, so i don't know if i need a stage 1 or stage 3 clutch. I do have a dyno showing about 490BHP and 400lb/ft torque. Please can someone advise me of what sort of clutches i need to be looking at as a replacement? Thanks, James.

Evening all, I've had my Audi S4 2010 B8 for two weeks now and I'm loving it! Having an issue playing music from Spotify on my phone though. I've been told I do need some sort of bluetooth adapter that plugs into the slot in the glovebox to connect to that to then stream music from my iPhone 6S. I've looked on American (recommended by others in forums) sites for a bluetooth adapter but there are different types; 2GEN and 3GEN. I'm not sure which MMI I am running! Here's a photo of my centre console. I'd also prefer to purchase my 'adapter' from a UK supplier. Can anyone point me in the right direction? Thanks a lot, Andrew.

Please check that these parts fit your vehicle first 8E0 422 421C - Inner Track Rod 8E0 407 506A - Right Upper Link 8E0 407 505P - Left Upper Link £60 the lot Collection from Barnet EN5 - North London

Various Parts 18" Genuine Audi Alloy Wheels complete with Caps - Need refurbishment - Part Number 4E0601025 AB Tyres 2 x2.5mm 2x 4mm Hankook Ventus V12 Evo 235/40 Z18 £450 Ovno B6 Cabriolet Xenon Headlights Part NUmbers - 8H941004AD 8H941003AD Slight cloudy at top of glass - easily polished - Still useable. £160 the Pair PM Me for more info Collection from Barnet EN5 - North London

Morning All, Has anyone had any mysterious cracking in their Rear LED light clusters ?, They seem like stress cracks of some type. There are no external marks or chips of any kind and exist in several places on one side of the vehicle only. Car is an S4 Avant 2015 with 8000 miles which i've had from new and these appeared about 3 weeks ago or that's when I noticed them. Audi are having the car tomorrow to take a closer look so will see what they say. Cheers

Or am i going nuts? I have a 15 plate (uk) S4 Avant, black edition nav. I've been using the efficiency mode for boring motorway traffic, after all not much fun to be had so might as well save petrol for later. Or at least I think I have. I went to choose 'efficiency' and it's gone. It's no longer an option if you toggle through using the drive select button on the center console or if you get the graphic of the car up on the nav screen. I got the car serviced and the dealer assures me it was never there in the first place and the S4 isn't shipped with it. I swear it was, perhaps I'm losing my mind! Would really appreciate it if any B8 S4 owners of the same year could tell me if they have efficiency mode as an option. Better still if you have a minute, a pic of the display on your nav screen showing it (and the gearstick so the dealer can see the S4 logo in the pic) would be great but no worries if not, I know you are all busy out there - in dynamic mode probably! Cheers ALISTAIR... sorry it's all in bold, can't seem to change that.

Looking to buy a B7 S4 and the internet is awash with tales of timing chain / tensioner failures and horrific costs to repair (if it doesn't goose the engine). If I took it all in I'd just walk away and never buy one however I need to put it into perspective . . . I'm looking at cars with 60k - 80k on the clock and at the moment am steering away from anything approaching 100k. I'm looking for evidence of the cars being on a 12 month service cycle rather than 24, main dealer stamps and with regular oil changes. What's the official Audi line with this, is there a point where they are saying the chains should be replaced or simply, well maintained with regular oil changes they'll keep going for ever??

Genuine Audi roof rails, profile made from anodised aluminium, embossed Audi logo. Really easy to fit, mounted with anti-theft bolts. Compatible with A3, A4 & A6, possibly other models. 3 x Genuine Audi bicycle racks, each one lockable with keys included. (Picture included from Audi brochure to indicate which type.) Both roof rails & bike racks mentioned above were only bought earlier this year, used a handful of times, looked after & in great condition. A4 Avant boot liner (black) bought last year from hatchbag.co.uk, kept the boot spotless, what a great buy this was. Still in great condition, easy wipe down surface. Compatible with Allroad, Quatro & S4. Open to offers for all of the above, would like to shift everything in one go if possible, looking for a quick sale. If you're interested let me know. Cheers.

Hello all, I'm writing a feature for Modern Classics magazine and I'm looking to source an Audi S4 (B5) for a shoot in the Manchester area. Hoping to complete the photography week beginning Monday, September 12 - currently have Tuesday 13 pencilled in but can shift it, if that's too soon. Fuel expenses will be covered, lunch provided and you'll receive a copy of the mag and all the photographer’s professional images. The car needs to be unmodified (different alloys are okay), and will covered on the publisher's insurance on the day. If you're interested in having your car included then please contact me directly on: 01630654388 or 97866609033, or by email: rossalkureishi@yahoo.com Best wishes, Ross Alkureishi, motoring writer

My S4 is for sale http://www.ebay.co.uk/itm/331903553836?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1558.l2649