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http://admin.webmakerx.net/images/Si.../autotrans.pdf
GA6HP19Z
E82/E88
135i All The transmission fluid has a Condition Based Service interval of approximately 100,000 miles; please refer to S.I. B00 07 02 for further information. Never mix any other oil with this transmission fluid when doing repairs or topping up. Shell M-1375.4, BMW Part No. 83 22 0 142 516.