How to remove the cylinder head in 2.0L four cylinder engine on BMW 325i?

Begin by emptying the cooling system and engine oil to detach the cylinder head, follow with removal of intake plenum,exhaust module and catalytic converter. On other hand unfasten various hoses for cooling then eliminate both intake and exhaust VANOS adjustment units as well take out injectors accompanied with injector shaft tube fasteners. Set servo motor correctly and eccentric shaft apart, unscrew timing chain module-to-cylinder head bolts and remove timing chain module-to-crankcase bolts through plug openings. Unscrew a specified number of cylinder head bolts then lift off the cylinder head with care to avoid damaging the sealing face. Remove cylinder head gasket; close oil pump galley openings in block. For proper assessment of this component before using it again take it to an experienced workshop specializing in machining autos after testing and resurfacing is done. Clean mating faces; inspect for damages; clean bolt holes, threads. Meanwhile, while installing ensure cleanliness of surfaces, correct dowel positioning as well as right direction of its gasket hole . Apply new cylinders' heads bolts that have pre-coated threads tighten them according to stages which are torque settings specified angles. Mount additional screws, set up the eccentric shaft stop screw into place as well as time chain module, VANOS adjustment units then reassemble everything dismantled putting back all parts except filling cooling system anew together with engine oil adding a fresh oil filter during installation process.

Genuine BMW 325i Cylinder Head

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5 Cylinder Heads found

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BMW 325i Bearing Ledges Cylinder Head
Part Number: 11127514543
$2946.51 MSRP: $2958.70
You Save: $12.19 (1%)
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Product Specifications
- Other Name: Cylinder Head With Bearing Ledges; Cylinder Head
- Replaces: 11-12-7-514-540, 11-12-1-436-790, 11-12-1-439-724
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2001-2005 BMW 325i | Sedan M54 Engine(E46), Sedan M56 Engine(E46), Sedan(E46), Wagon M54 Engine(E46), Wagon M56 Engine(E46), Wagon(E46)
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BMW 325i Valve Gear Cylinder Head
Part Number: 11127591617
$7128.01 MSRP: $9052.13
You Save: $1924.12 (22%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Cylinder Head With Valve Gear; Cylinder Head
- Replaces: 11-12-7-548-920, 11-12-7-564-424
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2006 BMW 325i | Sedan(E90)
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BMW 325i Bearing Ledges Cylinder Head
Part Number: 11121748391
$2943.73 MSRP: $2955.91
You Save: $12.18 (1%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Cylinder Head With Bearing Ledges; Cylinder Head
- Replaces: 11-12-1-738-194, 11-12-1-748-392
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 1992-1995 BMW 325i | Convertible(E36), Sedan(E36)
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BMW 325i Bearing Ledges Cylinder Head
Part Number: 11121748069
$2943.73 MSRP: $2955.91
You Save: $12.18 (1%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Cylinder Head With Bearing Ledges; Cylinder Head
- Replaces: 11-12-1-730-207, 11-12-1-748-065, 11-12-1-730-206
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 1992-1995 BMW 325i | Sedan(E36)
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BMW 325i Cylinder Head
Part Number: 11121707032
Product Specifications
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 1987-1992 BMW 325i | Convertible(E30), Coupe(E30), Sedan(E30)

BMW 325i Cylinder Head

The airtight ceiling of each combustion chamber is formed by the BMW 325i Cylinder Head. It also directs the gases exiting and air entering the combustion chamber while accommodating the spark plugs and valves. The smooth ports in this engine part enhance engine breathing while lowering restriction for increased power. A head gasket sealed with torque to yield bolts, which remain slightly stretched, prevents leaking of coolant, oil, or combustion from the block through the Cylinder Head. Guides, valves, and seats wear or crack over time, which may lead to misfires, lost compression, and mixing of fluids that can warn of Cylinder Head issues. Over the years, BMW has introduced both cast iron and aluminum Cylinder Head versions. The heavier cast iron was more distortion-resistant, while the lighter aluminum made for a better weight balance and shed heat quicker. It also allowed a higher compression ratio to run safely, which helps every 325i driver. Previously, sidevalve heads were not much more than flat plates, while modern BMW inline six cars implement a 325i overhead cam Cylinder Head that integrates the intake, exhaust, coolant, and valvetrain passages within a single compact casing.

If you are looking for OEM BMW 325i Cylinder Head, we highly recommend to shop with us. Not only do we offer budget friendly prices, but we also provide fast delivery. In addition, we have a hassle-free return policy on all genuine BMW 325i Cylinder Head that come backed by the manufacturer's warranty.

BMW 325i Cylinder Head Parts Questions & Experts Answers

Valve Gear Cylinder Head
11127591617
Q:
How to remove the cylinder head in 2.0L four cylinder engine on BMW 325i?
Posted by Lindsey S.
A:
Begin by emptying the cooling system and engine oil to detach the cylinder head, follow with removal of intake plenum,exhaust module and catalytic converter. On other hand unfasten various hoses for cooling then eliminate both intake and exhaust VANOS adjustment units as well take out injectors accompanied with injector shaft tube fasteners. Set servo motor correctly and eccentric shaft apart, unscrew timing chain module-to-cylinder head bolts and remove timing chain module-to-crankcase bolts through plug openings. Unscrew a specified number of cylinder head bolts then lift off the cylinder head with care to avoid damaging the sealing face. Remove cylinder head gasket; close oil pump galley openings in block. For proper assessment of this component before using it again take it to an experienced workshop specializing in machining autos after testing and resurfacing is done. Clean mating faces; inspect for damages; clean bolt holes, threads. Meanwhile, while installing ensure cleanliness of surfaces, correct dowel positioning as well as right direction of its gasket hole . Apply new cylinders' heads bolts that have pre-coated threads tighten them according to stages which are torque settings specified angles. Mount additional screws, set up the eccentric shaft stop screw into place as well as time chain module, VANOS adjustment units then reassemble everything dismantled putting back all parts except filling cooling system anew together with engine oil adding a fresh oil filter during installation process.
Answered by BMW Parts Specialist Javier / Jun 09, 2023