Pictures to post? questions to ask about the E31 model, chat with fellow E31 owners here. :thumbsup

Right, my car battery (2008 650) is dead and I need a new one. It seems it's on the original battery, it is black in colour. But does not say if it's a normal battery or an AGM... The battery has two part No's on it; 61 21 6 919 342 61 21 6 924 022 What do you (uk) guys recommend replacing it...

With so many threads about vacuum pumps leaking and knocking, thought I'd do this DIY repair for those not wanting to spend £250-£350 for a new one. Things you'll need: New o-ring Small hose clamp High temperature gasket sealant Torx bits 10mm socket Small ratchet Sheet or towel Remove the...

I have been trying to find clear instructions on how to achieve this installation successfully over the past few months, I kept giving up due to confusion, frustration, misleading threads and bad information. However, after much research, I have finally got it working and hope to help others...

Swirl flaps are a BMW system to aid cylinder combustion and efficiency on diesels as diesels do not have throttles plates to regulate air/fuel mix, so naturally tend to run between lean and rich conditions wildly because throttle is controlled solely by the fuel injection on diesels.. how the...