BMW B38 tagged posts

The current generation of BMW 3 Series (F30) has been around for more than 3 years and it is due for the mid-cycle refresh. Today BMW announced some details about the upcoming 2016 model year 3 series. The biggest change is the introducing of 3 new turbocharged engines: the B38 3-cylinder, B48 4-cylinder (B47 for diesel) and finally the B58 6-cylinder.

Below are the details (please note: some models may not be sold in the US market):

– 2016 316d, 318d: new B47 turbocharged diesel 4-cylinder engine; 316d output: 114hp
– 2016 318i: B38 1.5L turbocharged I3, 134hp (100 kW) and 162 lb-ft of torque, 0-100 km/h in 8.9 seconds and top speed is 130mph
– 2016 320i: B48 2...

Starting July next year (2015), BMW will put the new designed 4 cylinder turbon engine (code name B48) in its 320i sedan, to replace the old N20 engine; Also the new B58 six-cylinder engine will appear in the 335i too.

Compared to the current N20 engine, the new B48 four-cylinder turbo engine has a smaller bore (B48: 82mm; N20: 84mm) and longer stroke (B48: 94.6mm; N20: 90.1mm). The smaller bore/stroke ratio means this new engine is more focus on low-end torque, rather than high revving power.

The B48 engine uses piezoelectric direct injection, valvetronic, Double VANOS...