I recently found a user parting out his B7 S4 on Audizine and jumped on the chance to pickup some gently used pieces to clean-up my engine bay – most notably, an OEM Audi R8 Oil Cap and Relak Carbon Fiber Engine covers. While neither part does anything from a performance standpoint, they work together to dress up the S4 engine bay nicely along with my gunmetal JHM Intake Manifold, 034 Motorsport MAF Hose, and OEM RS4 Side Engine Cover.
The engine covers are no longer made, but were previously produced by a manufacturer named Relak. They are very easy to install, they literally just snap into place using the OEM rubber grommets and are a great mod. These have yellowed a little bit with age, but my OEM engine covers had some wear and tear so they’re a great upgrade for me.
The R8 oil cap is an OEM part however and still available. You simply unscrew your OEM oil cap and put this one on to install it; be careful there is no dust or debris on the cap before installing, as any dirt or containmanents will get into your oil (and engine) if you’re not careful…otherwise, this is a very easy mod to install. You can pick these up in many places, but eBay tends to be the cheapest:
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There is also a matching coolant cap, but these cost anywhere from $120-180 new which seems pretty steep for a part so trivial, so I’m going to see if I can find a used one otherwise skip that item.
That’s all I’ve got for now, but thought I’d post up a nice quick & easy mod since it had been a while since my last update!