BKD AZV BMN 2.0 TDI cylinder head 03G103351B 908718 VW Golf Mk5

Product NO.

ML NO.	OEM NO.	REF NO.
MLG076	03G103351B 03G103264CX 03G103351E	908718

Product Information Cylinder Head

DOHC | 16-Valve | Pumpe-Düse (PD) | Euro 4 Diesel | 1968cc

1. Product Overview

BKD, AZV, and BMN are all part of Volkswagen’s EA188 2.0 TDI Pumpe-Düse (PD) engine family. These engines use unit injector technology, 16-valve DOHC aluminum cylinder heads, and a timing belt system. The BMN version, especially, is a high-performance variant with twin balance shafts and reinforced internals.

These engines were widely used in VW, Audi, Seat, and Skoda models from 2003 to 2010, especially in the European market. They are non-common rail (non-CR) Euro 4 diesel engines and known for robust performance and torque.

2. Technical Specifications

Item	Detail
Engine Codes	BKD / AZV / BMN
Displacement	2.0L (1968 cc)
Cylinders	4 (Inline)
Valvetrain	DOHC, 16-Valve
Cylinder Head Material	Aluminum Alloy
Fuel System	Pumpe-Düse (Unit Injector)
Turbocharged	Yes
Cooling System	Water-cooled
Timing Drive	Belt
Emission Standard	Euro 4
Power Output
→ BKD: 103 kW (140 HP)
→ AZV: 100 kW (136 HP)
→ BMN: 125 kW (170 HP, with Piezo PD injectors)

3. OEM Cylinder Head Part Numbers

OEM Number	Notes
03G103351C	Cylinder Head for BKD, AZV engines
03G103351D	Variant for BMN engine (reinforced version)
03G103264 / 03G103373	Complete head with camshafts and valves
03G103383	MLS Head Gasket (multi-layer steel)

Includes injector bores for PD unit injectors
Optional: complete head with camshaft, followers, rocker arms, springs
Pressure tested, machined, ready for installation

4. Compatible Vehicles

Brand	Model	Engine Code	Year
VW	Golf Mk5 / Mk6	BKD, AZV, BMN	2004–2010
VW	Touran	BKD / AZV	2003–2010
VW	Passat B6	BKD / BMN	2005–2010
Audi	A3 8P	BKD / BMN	2003–2009
Audi	A4 B7	BMN	2005–2008
Skoda	Octavia Mk2	BKD / AZV	2004–2010
Seat	Leon / Altea	BKD / BMN	2004–2009

5. Product Types

Type	Includes
Bare Head	No valves, springs, camshafts
Semi-Complete	Includes valve train (valves, springs, guides)
Complete Head	Fully assembled with camshafts, rockers, lifters, PD injector seats

Ready for installation
Valve clearance & injector tolerances factory matched
PD injector clamp compatibility tested

6. Installation Tips

Use new torque-to-yield head bolts
Replace head gasket with correct thickness (coded by hole punch)
Carefully clean injector bores and oil galleries
Prime PD injector lobes with high-pressure oil
Align camshaft and crankshaft via proper locking tools (e.g., T10050, T10100)

7. Common Cylinder Head Issues

Problem	Cause	Fix
Cracked Head (BMN)	High thermal stress	Replace with reinforced casting
Coolant Loss	Gasket failure	Replace head gasket & check surface
Warped Head	Overheating	Resurface or replace
Injector Blow-by	Faulty copper seal or clamp torque	Reseat injector & replace washer
Camshaft Wear	Oil starvation or poor oil	Replace camshaft and tappets
Valve Damage	Timing failure or over-rev	Replace valves / head assembly

8. Global Aftermarket Demand

Europe: Germany, Poland, UK, France, Romania
Middle East: Iraq, UAE, Jordan
Africa: Algeria, Egypt, Nigeria
South America: Chile, Brazil, Ecuador
Asia: Philippines, India, Turkey

These heads are in demand due to failure in original castings, especially on BMN engines.