Originally Posted by phil200tdi
I got mine done by birds at 87k miles ish.
Apparently they weren't too bad, probably due to a lot of motorway miles and comparatively few short trip driving. Meth and oil catch can were fitted too recently to make a difference.
I hear every 50k miles is a reasonably interval for cleaning. I probably won't keep mine that long, on 95k now.
noticed any improvement?...
how much roughly?...you can pm if u want!...
E92 335i SE Dream Cars:
AMG SL65 Black,GallardoSuperleggera, GTR 2012, Agera R, F430 Scuderia, DBS, EVO X FQ400, Lexus LFA, F10 M5, M4, GT3 RS4.0, Ferrari 458, Ferrari F12, R8 V10 plus, Jaguar F Type V8, Lamborghini LP700-4 Aventador, Chevrolet Camaro ZL1, C63 AMG Coupe Black, Vanquish 2012, Laferrari, GT3 991, McLaren 650s.