Volkswagen EA855 engines

A series of in-line 5-cylinder engines Volkswagen EA855 has been produced since 2005 and during this time has acquired a large number of different modifications.

The Volkswagen EA5 855-cylinder engine series was first introduced in 2005. The units are designed for cars with a transverse internal combustion engine and were placed on the US market. The second and subsequent generations of these engines were turbocharged and are known as 2.5 TFSI.

Contents:

• Atmospheric units EA855
• Turbo engines EA855
• Turbo engines EA855 EVO

Atmospheric engines EA855

In 2005, the heir to the Audi EA5 series of inline 828-cylinder engines finally appeared, it turned out to be a family of naturally aspirated engines for cars sold in the US market. These were ordinary internal combustion engines with a cast-iron block, a timing chain and a phase regulator only at the inlet.

In total, there were two versions of the motor, with a power of 150 and 170 hp, but a whole bunch of modifications:

2.5 liters (2480 cm³ 82.5 × 92.8 mm)

BGP	20V	distribution injection	150 hp	228 Nm
BGQ	20V	distribution injection	150 hp	228 Nm
OPI	20V	distribution injection	150 hp	228 Nm
Bps	20V	distribution injection	150 hp	228 Nm
BTK	20V	distribution injection	150 hp	228 Nm
CBTA	20V	distribution injection	170 hp	240 Nm
CAUL	20V	distribution injection	170 hp	240 Nm
CACB	20V	distribution injection	170 hp	240 Nm

Engines EA855 2.5 TFSI

These engines really opened up in 2009 after being equipped with FSI injection and a turbine, so the 2.5 TFSI family, which is very popular among fans of charged models, appeared. The problematic timing chain drive was modernized, and a phase regulator appeared at the outlet.

Five modifications of this turbo engine are widely used in our market:

2.5 TFSI (2480 cm³ 82.5 × 92.8 mm)

Strain	20V	direct injection	340 hp	450 Nm
CEPB	20V	direct injection	360 hp	465 Nm
CTSA	20V	direct injection	310 hp	420 Nm
CZGA	20V	direct injection	340 hp	450 Nm
CZGB	20V	direct injection	367 hp	465 Nm

Engines EA855 EVO 2.5 TFSI

In 2016, the 2.5 TFSI powertrains were significantly redesigned to reduce weight. The cast-iron block was replaced with aluminum and a lightweight connecting rod and piston group appeared. The intake camshaft was equipped with the Audi Valvelift System or AVS valve control system.

At the moment, there are two modifications of such a unit, with and without a particulate filter:

2.5 TFSI (2480 cm³ 82.5 × 92.8 mm)

D.N.W.A.	20V	direct injection	400 hp	480 Nm
DAZA	20V	direct injection	400 hp	480 Nm