As part of a long running campaign led by the Associated of German Vehicle Tuners (VDAT), a special concept car is released every year by tuners to highlight the need to be safe and serious when doing car tuning. This initiative is supported by both the Police and the German Federal Ministry for Transport, Construction and Road Development. The aim of the campaign is to fight against illegal and counterfeit tuning products. A campaign for which AC Schnitzer has been on the forefront, churning out new TUNE IT! SAFE! vehicles every year and even publically destroying a whole slew of seized counterfit AC Schnitzer replica wheels.

This years car is a specially modified 428i Coupe, with AC Schnitzer responsible for most of the work.

The car … CONTINUED

Ahead of the 2013 Motorshow Essen, AC Schnitzer has released images and details on their complete program for the new BMW 4-Series Coupe.

The famed Aachen based tuner has given the 4-Series a complete workup, similar to previous offerings for the F30 3-Series.

Starting under the hood, AC Schnitzer performance software upgrades raise power levels as follow: 420i (to 245 hp), 428i (to 294 hp), 435i (to 360 hp), 420d (to 218 hp), 430d (to 309 hp) and 435d (to 360 hp).

We’ve previously already reported on the 4-series with AC Schnitzer wheels, which include Type VIII BiColor rims in black or silver, Type VIII forged alloys and forged racing rims in BiColor, Type IV rims in silver or BiColor black, and Type VI rims in BiColor … CONTINUED

Download the 435i Owner’s Manual in PDF format.

You’ve seen plenty of photos of the 435i, from events and now from owners, but the more the merrier. Here’s the 435i Sport Lines on exhibit at both the Tokyo and LA auto shows.

BIMMERPOST 4 series news and features can be followed at http://www.bimmerpost.com/4-series/

Alpina has just debuted its newest model – the Alpina B4 Biturbo Coupe at the 2013 Tokyo Motor Show. Japan is Alpina’s third largest market.

The B4 features the same powertrain as the Alpina B3 Biturbo, a twin turbo 3.0L inline 6 producing 410 HP and 443 LB-FT. The Alpina B4 Coupe covers 0-62 MPH in 4.2 seconds and runs up to 197 MPH. An 8 speed automatic transmission is standard.

Cosmetically and other performance upgrades include a front bumper lip, trunk spoiler, quad exhaust and Alpina wheels (with non run-flat Michelin Pilot Super Sports) and adaptive suspension.

So far this year Alpina has sold 1,400 cars across the globe.

Have a look at some official photos and the B4 at the Tokyo show.

The 4 Series Convertible (F33) [Official Info Thread] is having its world debut simultaneously at the 2013 Tokyo Motor Show as well as the 2013 LA Auto Show.

BIMMERPOST is covering both shows for you and we’ll have more photos from the LA Show later today, but for now here’s the 4 Series Convertible from the Tokyo show.

The full build-your-own configurator (with pricing) for the 2014 4 Series Convertible is now online at BMWUSA.com.

Jeremy Clarkson’s review of the 435i M Sport in the The Sunday Times certainly starts off rather dour.

All is not lost however, as Clarkson goes on to say that the 4 Series is proof that less can be more, with a final verdict of of 4 out of 5 stars.