Atp B-331 Transmission Filter-auto Trans Filter Kit on 2040-parts.com

One Lap of the Web: Cop-car guide, an inside look at Morgan Motors and the best hybrid cars

We spend a lot of time on the Internet -- pretty much whenever we're not driving, writing about or working on cars. Since there's more out there than we'd ever be able to cover, here's our daily digest of car stuff on the Web you may not otherwise have heard about. -- Just when we think everything is going smoothly when we're driving, those flashing lights pull up behind us.

BMW X4 confirmed – one more time

It was always going to be on the cards after the unexpected success of the X6, but the birth of the BMW X4 – a coupé version of the new X3 – has been the subject of endless rumours, almost since the X6 started to sell in unexpected numbers. We reported as far back as April 2010 that BMW were close to deciding an X4 was a no brainer; after all, with a lot of the world ‘downsizing’ their transport, a smaller X6 should be a seller. By this time last year we heard that BMW had already made the decision and we had it on good authority that the X4 was confirmed and signed-off and would be heading to showrooms by 2013.

Seat Leon ST (2014) at Frankfurt motor show

The new Seat Leon ST is the first time the Spanish marque has offered the Leon as a wagon, which will be the third body style alongside the three-door Leon SC and five-door hatch versions. Based on the impressive new VW Golf Estate the Leon ST will be cheaper than the Golf wagon when it arrives in UK showrooms in January 2014. Is it just a Golf Estate with a different look?