Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

BMW 4-series coupe (2013) first official pictures

These are the first official pictures of the new BMW 4-series coupe. The replacement for the existing 3-series coupe, it mixes the shape of the Concept 4-series with toned-down details from the regular F30-gen 3-series saloon. The rear-drive, 2+2-seater coupe will go on UK sale in October 2013, after its in the metal debut at the 2013 Frankfurt motor show this September.

London underpass to hold flood water

A PEDESTRIAN UNDERPASS is to be turned into an emergency pond to hold hundreds of thousands of litres of floodwater threatening homes and businesses in south London. The Purley Cross underpass will be used to hold water pumped from around 400 under-threat buildings in parts of Kenley and Purley and to stop a water treatment works which supplies tens of thousands of homes from flooding, Croydon Council said. The authority said the plan to use the underground footway to hold around 600,000 litres of water from tonight was approved after its "primary" pond at Purley Depot overflowed last night.

One Lap of the Web: falling rocks, falling prices, and a Ford Frontenac?

-- If this isn't the automotive video of the week, then we don't know what is. A car in Taiwan just barely avoids being crushed by a gigantic boulder, whose water and mud bow wave shoves the car a few feet before the boulder even lands anywhere near the car. Watch the top of the hill at the very start of the video.