For the engine in my vehicle Vauxhall (Z 16 XE - 52 plate 1.6 16v dual fuelled lpg/petrol) I have been using a Unipart own branded semi synthetic that meets or exceeds:
API SL/CF ACEA A3/B3/B4 VW 500.00 and VW 505.00.
What do all these numbers & letters mean please?
Edited by Dynamic Dave on 08/09/2008 at 19:50
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