Weistec’s W.4 turbo upgrade kit bolts straight onto S63 and S63TU engines in F10, F90, F06, F12 and F13 M5 and M6 models. No cutting, no welding - retains the factory engine cover.
Includes Garrett Gen II ball-bearing turbos (GTX3071R, GTX3076R, GTX3576R or GTX3582R), full stainless downpipes, charge pipes, inlet pipes and methanol injection ports. All CNC fittings and stainless braided lines supplied.
Rated to 1000HP and 900lb-ft torque
Requires custom ECU tune - not plug-and-play with stock map
