zddp

Hi All- Hope this isn’t considered a silly question, but I’ll throw it out here anyway.. I am seriously considering a purchase of an ‘02 R1150RT ex-police model with approx 80k on the clock. Engine sounds decent and everything works at it should. Current owner states that both he and the...

See https://www.bobsbmw.com/store/product/bmw-advantec-classic-20w-50-engine-oil-1-liter

Hate to start yet another oil thread but oh well here goes. Today I drained the Shell Rotella T4 15w40 from my precious R1100RSL and filled it with the BMW Advantec Pro 15w50 which is the recommended oil for my RS at $14.50/litre. I must admit I feel better having done this since my bike is...

I realize this might become too big to handle, but I've been mulling over the idea of having another round of oils analyzed as it pertains to engine protecting for the Airheads. Obviously everyone's interested in ZDDP, but there are certainly other parameters to consider. My records show that...