BMW 1 2 3 4 5 Series X1 X3 X4 Z4 Engine Motor suit N20B20 2.0L Turbo Petrol 2011-2017

Name: BMW 1 2 3 4 5 Series X1 X3 X4 Z4 Engine Motor suit N20B20 2.0L Turbo Petrol 2011-2017
SKU: N20B20-LM
Price: 6350 AUD
Availability: InStock

High Quality BMW N20 Engine

BMW N20 Engine

Top Quality Manufacturer Selected.
Common Engine Design Issues Fixed / Resolved.
One Year Product Warranty Included as Standard
Directly Plug & Play Engines. No Modifications Required.

Customer Reviews

Hundreds of High Quality Positive Reviews.

Straight Drop in Plug and Play. Customer was happy. No Complaints so far after 4 Months.

Might have been cheaper to buy second hand but the 2 year warranty justified the extra 2k. Happy.

2nd Motor purchased from this crew and delivered within the 12 day period. Both motors running well as they should for the price.

Good Quality Overall. Cant fault them. Interesting to see in 5-10 years time how these motors run, but for now they are great.

I-load Motor purchased October 22. Continues to run till Present. Happy with my Purchase would recommend to anyone that needs a quality engine.

Very Good. Delivery took 15 Days but we are still happy. The Product Quality was as Described. Wouldn't hesitate to purchase again.

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How it Works?

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Shipping & Handling

Free Shipping anywhere within Australia.
All Crate Engines are Shipped with Team Global Express.
Delivery Times can vary between 5-11 Days as we have multiple warehouses in Various Cities.
All Crate Engines are shipped with Insurance as Standard.
We have Expedited Shipping Available on Checkout.
International Postage is Available upon Request.

5 Main Differences

What Makes Crate Engines the Best Choice?

Centra Steel Crankshaft:
Our crankshafts are made from Centra Steel, offering superior compressive strength compared to forged steel, ensuring durability and long-lasting performance.
Precision Tolerances:
We maintain crankshaft tolerances of no more than 2S, delivering exacting precision that guarantees smoother operation and reduced wear over time.
OEM Precision Design:
Our engines are built to a 1:1 specification, with 98% of the original OEM design followed, ensuring compatibility and reliability.
Skilled Workforce:
Every engine is assembled by highly skilled employees with a minimum of 5 years of hands-on engine-building experience, ensuring expertise and attention to detail.
High-Grade Aluminum:
We use only high-grade aluminum for the engine head and block (where applicable), ensuring lightweight strength and heat resistance, vital for engine longevity.

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Warranty & Returns

All Crate Engines include a 1 Year Manufacture Warranty.
Certain Guidelines Must be Followed in order to ensure this Warranty is accepted upon the event of a failure.
Our website will Store your information, so if a warranty issue does come up, we have all your details.
Please see our Warranty or Returns Sections.
Returns are Accepted within 7 Days, providing the Engine has not be Used / Dismantled.
Extended Warranty available on Checkout!

More Information about

BMW N20 Engine

Brand-New BMW N20 Engine Long Motor

This BMW N20 Engine is a brand-new replacement long motor for selected BMW vehicles originally fitted with the N20B20 2.0L turbocharged petrol engine. The N20 engine was used across a wide selection of BMW 1 Series, 2 Series, 3 Series, 4 Series and 5 Series vehicles, as well as selected X1, X3, X4 and Z4 models.

Designed as a practical replacement for a damaged, worn or unreliable original motor, this BMW 2.0 Turbo Engine provides an assembled foundation for your installer to transfer the required vehicle-specific accessories. It is a suitable option for customers who want to avoid the uncertain service history and internal condition associated with many second-hand engines.

The N20B20 is a 1,997cc turbocharged four-cylinder petrol engine featuring direct fuel injection, Valvetronic variable valve lift and Double VANOS variable camshaft timing. Depending on the vehicle and engine version, it was produced in several different power outputs for models including the BMW 320i, 328i, 520i, 528i, X1, X3 and Z4.

Do not order on the badge aloneThe N20 engine should not be purchased solely because the vehicle is badged as a 20i or 28i. Some BMW models changed engine families during production. Depending on the market and build date, a similar vehicle may use an N13, N26 or later B48 engine.

N20B20 · THIS ENGINENOT N13NOT N26NOT B48

✓ Brand new — never reconditioned

✓ Supplied as an assembled long motor

✓ No exchange engine required

✓ Free delivery Australia-wide

✓ One-year product warranty

BMW N20 engine for 320i, 328i, 520i, 528i, X1, X3 and Z4

BMW 2.0 turbo N20 replacement engine packed for delivery

What Is Included With the BMW N20 Engine?

The BMW N20 Engine is supplied as an assembled long motor. A long motor provides the major internal engine components already assembled, reducing the amount of engine-building work required during installation.

The supplied assembly normally includes

✓ Assembled cylinder block
✓ Crankshaft and main bearings
✓ Connecting rods and pistons
✓ Cylinder head assembly
✓ Camshafts and valve train
✓ Timing chain, guides and tensioner
✓ Oil-pump and oil-pump drive system
✓ Engine sump
✓ Timing cover
✓ Valve cover

Components that must be transferred

↻ Twin-scroll turbocharger and wastegate components
↻ High-pressure fuel pump
↻ Fuel rail and direct-injection fuel injectors
↻ Intake and exhaust manifolds
↻ Throttle body
↻ Alternator and starter motor
↻ Air-conditioning compressor
↻ Electric coolant pump and thermostat assembly
↻ Engine wiring harness and control modules
↻ Vehicle-specific sensors and brackets
↻ Engine mounts
↻ Flywheel, flexplate and transmission components

The exact supplied components must always be confirmed using the product photographs and final invoice. Small differences may occur between production batches or engine versions.

Inspect before transferring. All transferred components should be inspected and tested before installation. Reusing a failed turbocharger, blocked oil line, damaged injector, contaminated oil cooler or faulty cooling-system component may damage the replacement engine and affect warranty coverage.

BMW N20 Engine Compatibility

The BMW N20 Engine was produced in several versions and power levels. Common full engine codes include N20B20A and N20B20B, with additional suffixes used for particular markets and calibrations. Although these engines belong to the same family, they should not be treated as universally interchangeable.

This replacement may suit selected BMW 125i, 220i, 228i, 320i, 328i, 420i, 428i, 520i and 528i vehicles. It may also suit selected BMW X1, X3, X4 and Z4 models originally fitted with an N20B20 engine.

Before ordering, customers must provide

✓ Vehicle identification number
✓ Vehicle model and production year
✓ Build month and year
✓ Complete existing engine code
✓ Engine number where available
✓ Photographs of the original engine and external components

The original engine may use a different sump, oil-pickup arrangement, engine mounts, sensors, wiring, turbocharger, fuel system or flywheel. These vehicle-specific components may require transfer to the new long motor.

Not Automatically Interchangeable With N13, N26 or B48

The N20 engine should not be purchased solely because the vehicle is badged as a 20i or 28i. Some BMW models changed engine families during production. Depending on the market and build date, a similar vehicle may use an N13, N26 or later B48 engine.

Close relatives are not replacements. The N26 is closely related to the N20 but includes emissions-specific differences. The later B48 uses a substantially different engine design and is not a direct replacement. The full engine code and VIN must therefore be checked before the engine is dispatched.

A New Alternative to a Used BMW N20 Motor

A second-hand N20 motor may already have high kilometres, timing-system wear, oil-pressure problems, cooling-system damage or an unknown maintenance history. In many cases, the buyer cannot confirm how the donor vehicle was driven or why it was dismantled.

Choosing a brand-new BMW 2.0 Turbo Engine long motor removes the uncertainty associated with reusing an old block, cylinder head and timing system. The major internal components are supplied assembled, allowing the installer to concentrate on preparing and transferring the correct external equipment.

This makes the engine suitable for owners repairing a daily-driven BMW, workshops completing a customer engine replacement or vehicle specialists looking for a consistent alternative to a used wrecking-yard motor.

Addressing Common BMW N20 Engine Concerns

The original BMW N20 Engine is known for requiring careful attention to its timing-chain system, oil-pump drive, lubrication system and cooling system. Timing-chain guide wear or chain failure can result in incorrect valve timing and extensive internal engine damage.

Oil starvation can also damage the crankshaft, bearings, camshafts and turbocharger. For this reason, the entire lubrication system must be inspected during installation. Oil lines, the oil cooler and filter housing must be clean and free from metal or contaminated oil left behind by the failed engine.

A new engine behind old accessories still fails. The replacement long motor includes new internal and timing components. However, the external turbocharger, fuel system and cooling components must also be in serviceable condition. Installing contaminated or defective accessories may cause the same symptoms to return even when the replacement engine itself is new.

Professional Installation Requirements

The BMW N20 Engine must be installed by a qualified mechanic or engine specialist familiar with BMW direct-injection and Valvetronic engines. Correct installation, initial oil priming, cooling-system bleeding, diagnostic programming and startup procedures are essential.

Before starting the replacement engine, the installer should:

1Confirm the complete engine code and vehicle compatibility
2Inspect the turbocharger for shaft movement, oil leakage and damage
3Clean or replace contaminated oil lines and coolers
4Inspect the high-pressure fuel pump and injectors
5Check the electric water pump, thermostat and radiator
6Install the correct new oil, coolant, filters, seals and service items
7Prime the lubrication system before initial startup
8Scan the vehicle for stored fault codes
9Complete any required BMW adaptations or programming
10Check oil pressure, coolant temperature and fuel pressure after startup

Keep your paperwork. Installation records, invoices and service documentation should be retained for warranty purposes. The engine must be serviced using the correct lubricant and at the required intervals.

Warranty, Delivery and Australian Support

Every BMW N20 Engine includes a one-year product warranty as standard. Extended or labour-warranty options may be available separately where offered at checkout.

No exchange engine is required, allowing customers and workshops to keep the original motor for accessories, inspection or recovery of usable components. Free delivery is available Australia-wide to suitable commercial addresses or freight depots, subject to the applicable delivery terms.

For other replacement motors, customers can browse our complete range of crate engines. Additional factory information about the engine design is available in the official BMW N20 technical training manual.

Confirm Your N20B20 Engine Before Ordering

BMW fitted the N20B20 in multiple vehicles, power outputs and regional configurations. Customers should never rely only on the vehicle badge, year or advertised engine capacity when ordering a replacement.

Send us the vehicle VIN, build date, complete engine code and photographs of the existing motor. Our team will compare the supplied information before dispatch and help determine whether this BMW 2.0 Turbo Engine is the correct replacement for your vehicle.

Choose Crate Engines Australia for a brand-new BMW long motor, free Australia-wide delivery, a one-year product warranty and local support throughout the engine-matching and installation process.

BMW N20 Engine FAQs

What vehicles have the BMW N20 engine?

The N20B20 was fitted across selected BMW 1 Series, 2 Series, 3 Series, 4 Series and 5 Series vehicles, as well as selected X1, X3, X4 and Z4 models. It may suit selected 125i, 220i, 228i, 320i, 328i, 420i, 428i, 520i and 528i vehicles.

Is this a complete engine?

No. It is supplied as an assembled long motor. The turbocharger, fuel system, manifolds, wiring, accessories and vehicle-specific components must normally be transferred from the original engine.

Is the N20 the same as an N26 or B48?

No. The N26 is closely related to the N20 but includes emissions-specific differences, and the later B48 uses a substantially different engine design and is not a direct replacement. The full engine code and VIN must be checked before dispatch.

Can I order using the 20i or 28i badge?

No. Some BMW models changed engine families during production. Depending on the market and build date, a similar vehicle may use an N13, N26 or later B48 engine.

What are the common N20 problems?

The N20 is known for requiring careful attention to its timing-chain system, oil-pump drive, lubrication system and cooling system. Timing-chain guide wear or chain failure can result in incorrect valve timing and extensive internal engine damage.

Do I need to replace the turbocharger?

The external turbocharger, fuel system and cooling components must be in serviceable condition. Installing contaminated or defective accessories may cause the same symptoms to return even when the replacement engine itself is new.

Is an exchange engine required?

No exchange engine is required, allowing customers and workshops to keep the original motor for accessories, inspection or recovery of usable components.

Is a warranty included?

Yes. Every BMW N20 Engine includes a one-year product warranty as standard. Extended or labour-warranty options may be available separately where offered at checkout.

Weight	110 kg
Dimensions	80 × 70 × 50 cm

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