Hello again, have 2 questions: Let’s start with the oil. I have to change the oil soon. Since my engine is very (!) rattled loudly (comparable with a tractor or van), I wanted to ask which oil might be better for my engine. Have used up to now 10W40 (different brands). A buddy has now told me that with many cars the oil can also lead to such engine noises. Does anyone have any idea if another oil would “calm” the engine? Is really annoying, no matter what where you drive for a long time people turn around and look at what kind of car comes up. Have heard about the brand “Liqui Moly”. It should be quite good at this. Does someone have infos? and now to the ZV: It works as well as not at all anymore. When I press the button at the key, the lamp sometimes gets used to, then not again…..but no matter how the lamp lights up, the car stays closed. is very rare that it still works. Battarias I changed –> Does the key possibly have a wobble contact or is the receiver broken in the car? If it’s the receiver, does someone know where he is? Maybe he’s just dirty or something. I’d like to use the ZV again…..is kind of cool thanks already in advance. MfG Pug306