RS6 (C7)

Start with a healthy baseline: a service with the correct VW-approved oil, fresh high-boiling brake fluid and a check of the dampers, especially on DRC cars. From there, most owners fit an intake and exhaust for sound, then a stage 1 remap with matching gearbox software. Suspension, wheel spacers and aero styling such as a front splitter are popular next steps. Planning heat protection early is sensible, because the turbos sit inside the vee.

It can be. The optional Dynamic Ride Control system links the dampers hydraulically, and owner surveys on RS246 show many cars developing leaks over time. Symptoms include knocking over bumps, a floaty or uneven ride and shuddering under braking. Owners either replace the DRC units or remove the system in favour of quality coilovers such as KW, which gives a firmer, lower and more consistent setup. A full four-wheel alignment should follow any suspension change.

Lowering springs and coilovers apply to DRC-equipped cars. On cars with the standard adaptive air suspension, the usual approaches are adjustable lowering links, which give a fixed drop in every mode, or an electronic module that sets height per drive mode and per axle. Keep the drop moderate to protect the air struts and the compressor, avoid large height changes in quick succession, and have the alignment checked afterwards.

It is strongly recommended. The eight-speed ZF tiptronic has torque limits and shift logic calibrated for factory output, so a matching TCU tune lets the gearbox handle the extra torque and improves shift speed. Owners have reported driveline stress after tuning, including prop shaft failures, so inspect the driveline and service the gearbox fluid, which ZF advises changing despite the lifetime label, before adding power.

Some oil consumption is normal on the 4.0 TFSI V8, particularly when driven hard, and around a litre every few thousand kilometres is commonly reported. Noticeably higher consumption can point to a PCV valve fault or ring wear. Before tuning, a compression or leak-down test is a sensible precaution, along with confirming the correct VW 504.00 or 507.00 specification oil has been used, so you start from a sound engine.

Most mechanical parts, such as cooling, heat protection and brake fluid, are shared across the C7 RS6, RS6 Performance and RS7 because they use the same 4.0 TFSI powertrain. Body styling is different: the Avant and Sportback have different panels, and pre-facelift and facelift bumpers can vary. Check the fitment listed on each R44 product, save your car to My Garage, or ask our team if you are unsure.