Recent content by s4chopper

  1. S

    B8 S4 Avant Constant Rear ‘Hum’ Issue

    Great news. Don’t scrimp on bearing quality, SKF only. Although I bought 4 recently, ECP stock them and I got them for 50 each over the counter.
  2. S

    S4 Rear Exhaust Valance/Diffuser

    The bumpers are indeed different but the centre inserts look identical. Can you tell me the PN on your bumper for the insert and I’ll let you know saloon.
  3. S

    S4 Rear Exhaust Valance/Diffuser

    ECS Tuning gloss block rear diffuser gets my vote.
  4. S

    Rear Diff and Gearbox Fluids

    2 x Bolts closest to the engine on X Brace are different to rear Bolts. Re-use old bolts at least once, completely fine for X Brace. Sometimes Audi spare parts quote full quantity of same bolt for a specific area or complete car.
  5. S

    B8 S4 Avant Constant Rear ‘Hum’ Issue

    Diagnose and fix what’s needed, unless you like spending money for the sake of it. Rear wheel bearings are okay to replace, stuck ones take some persuasion. ABS sensors are usually always stuck. If your unlucky and it is the diff at fault, ascertain the model code and final drive ratio before...
  6. S

    B8 S4 Avant Constant Rear ‘Hum’ Issue

    Not recommended but myself I’ll usually jack up securely on 4 axle stands and have an accomplice drive the car up into second or third gear. Then I’ll get under the car and listen out, if it’s not obvious I’ll drop a stethoscope to listen for rumbling on the hub. Even then a bad wheel bearing...
  7. S

    Calling all B8/8.5 S4 owners.. show us ya brakes!

    MTEC C hook discs, brembo pads, SS braided lines.
  8. S

    Front suspension overhaul

    Named bitch bolt in the trade. So bad, Audi themselves developed a workshop tool for removal. I always go for heat, upper arms can be saved if wrapped in a cold towel. Never over-tighten new bolt, think it’s only about 45NM.
  9. S

    Front suspension overhaul

    Patience, plenty brews, WD40, heat and a workshop manual for torque specs. Not necessarily in that order :tearsofjoy:
  10. S

    Calling all B8/8.5 S4 owners.. show us ya brakes!

    A blend of option 1 and 2 for me. New brakes were stripped and sent for professional Cerakote.
  11. S

    Front suspension overhaul

    Most of the work is better done side on so not imperative to be done under the car on a ramp. I fitted same kit and would recommend for anyone who is competent to work on cars. Devil is in the detail
  12. S

    500bhp S4 B8

    https://www.audi-sport.net/xf/threads/499bhp-s4-b8-saloon-manual-55k.386650/ Selling up if anyone is interested.
  13. S

    S4 B8 with Revo 1/Revo 1+ your experience in day to day use

    MPG remained the same for me, was only careing about the performance anyway. Revo 1+ Custom airbox with RAM feed from foglight Silcone reinforced intake pipe Full Scorpion system V Power 473 bhp/400 torque on conservative dyno with graph to prove.