hmmm, I would be wary. Magnetec A1 5-30 (which is an A5/B5 oil) is ok for D3 & D4 non DPF.
The correct spec for D4 with dpf would be as stated above Castrol Edge C1 5w30. C1 is the vital bit for low ash
From L/R's special service message:
WSS-M2C934-B specification engine oil used in DPF equipped vehicles 2.7 TDV6, 3.0 TDV6, 3.6 TDV8, 4.4 TDV8, Defender 2.2 Puma and Freelander 2.2 TD4
•Castrol EDGE Professional C1 5W-30
WSS-M2C913-B/C specification engine oil used in 4.2/4.4 AJV8 Gasoline and non DPF Diesel engines 2.7 TDV6, 3.0 TDV6, 3.6 TDV8, 4.4 TDV8, Defender 2.2 Puma and Freelander 2.2 TD4
•Castrol EDGE Professional A5 5W-30
Although Magnetec 5w30 A1 is also perfectly suitable also.
The price of the Edge C1 is alot more than 913B spec oil!
HTH
From the Disco4 site in the UK
DISCO4.COM - View topic - Engine oil disco 4 3.0
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