Re Manual gearbox oil change – 23-01-2018, 10:56 PM. Definitely worth doing if gear selection is a bit stiff. Regards rear differential, I had this and transmission AudizineForums > Main Model-Line Discussion > B8 A4 > B8 A4 Tech Archive > B8 A4 FAQs & DIYs > B8 A4: DIY Manual Transmission Fluid Change. PDA. View Full Version : B8 A4: DIY Manual Transmission Fluid Change. Dan_Q. I was tossing over whether to go with MT-90 or the Audi fluid (Audi genuine is over twice the Thisis from ZF. "The only approved oil is the Castrol/Burmah SAF-AG4 and the Sturaco FM 1992 KS additive is used for the center torsen diff. Oil with Sturaco additive is Audi/VW Part# G 055145 A2." The oil is 75W-90 and I believe any good quality GL5 gear oil would be fine for the front/rear diff. Help I drained the transmission fluid instead of the engine oil! No biggie. OrderAUDI A4 B8 Saloon (8K2) 2.0TDI 136 HP Gearbox oil and transmission oil easily at AUTODOC Fast delivery and low prices Discover now for yourself Actual offers of Gearbox oil and transmission oil for AUDI A4 B8 Saloon (8K2) 2.0 TDI Diesel 136 HP TRANS Manual Transmission Oil 75W-80, Capacity: 1l Article number: 2194757 Use Partskit, automatic transmission oil change; Transmission oil pan; Gearbox mount; Shaft seal, manual transmission; Reverse light switch; Speed sensor; manual transmission AUDI A4 B8 Avant (8K5) 2.0 TDI Diesel 136 hp / 100 kW CJCB . Transmission. Bearing, manual transmission. AUDI. A4. A4 Avant (8K5, B8) 2.0 TDI. Geta free price estimate for an Audi transmission fluid change and schedule an appointment in your area. Car Values. Price New/Used; • For a manual transmission, most manufacturers say you ScheduledMaintenance. Make sure to change your engine oil and filter every 5,000 miles. You could easily expect to spend around $2,500 in maintenance costs per year. Replace both sets of direct-shift gearbox JEuKi.