The B48B20 engine is a 2.0-litre turbocharged engine from BMW AG, part of BMW's B-Series engine family. There are several versions of this engine,
of which the B48B20C and B48B20D are the two most common. The B48B20C is a low-power version with a maximum power of 135kW and a maximum
torque of 290N·m, while the B48B20D is a high-power version with a maximum power of 185kW and a maximum torque of 350N·m.
The technical features of the BMW B48B20 engine include an advanced fuel injection system and ignition system. The engine uses a mid-injector direct
injection technology and has been significantly improved with the use of a newly designed 6-hole injector, an increase in fuel injection pressure to 350bar,
and an upgraded ignition system to 42kV. These improvements have improved the engine's power performance and fuel economy while reducing exhaust
emissions. In addition, the engine is equipped with an 8AT transmission, which provides smoother and more efficient power transmission.
The BMW B48B20 engine is widely used in the market, and is installed in the BMW 1 Series, BMW 5 Series, BMW X1 and BMW X3 models. Although the performance of these models varies in the market, the stability and efficiency of the B48B20 engine has earned it a good reputation
Our products are exported to various parts of the country, and the customers we have worked with have received unanimous praise. The company has invested over 20 million yuan in high-end remanufacturing equipment imported from abroad and a first-class production team in the country. Our warehouse has a total area of over 8000 square meters, with scientific management and sufficient supply of goods.

Engine Code: B48B20 / B48B20A / B48B20B
Displacement: “1,998 cc (2.0 L)”
Cylinder Configuration: Inline-4 (I4 Turbo)
Bore × Stroke: 82.0 mm × 94.6 mm
Compression Ratio: 10.2 : 1 – 11.0 : 1
Maximum Power Output: 135 kW – 185 kW (184 PS – 252 PS) depending on low/high-power tuning
Peak Torque: “270 N·m – 350 N·m @ 1,350–4,600 RPM”
Turbocharging system: Single-turbine twin-scroll turbocharger
Valve and fuel delivery systems: “DOHC, 16V, VALVETRONIC (electronic valve control), Double-VANOS, high-pressure direct injection”
The BMW B48B20 engine is used in selected BMW models, including:
BMW 320i xDrive – Selected F30 applications
BMW 320i xDrive Touring – Selected F31 applications
BMW 330i xDrive – Selected F30 applications
BMW 320i – Selected G20 applications
BMW 330i – Selected G20 applications
BMW 420i xDrive – Selected F32 applications
BMW 420i xDrive Gran Coupe – Selected F36 applications
BMW 430i xDrive – Selected applications, subject to engine-version verification
BMW X3 xDrive20i – Selected G01 applications
BMW X3 xDrive30i – Selected G01 applications
BMW X4 xDrive20i – Selected G02 applications
BMW X4 xDrive30i – Selected G02 applications
Compatibility Notice: This application list is a reference only. Not every vehicle in the above model range uses the same B48B20 version.
Engine suffixes, power ratings, emissions systems, oil sump design, engine mounts, turbocharger configuration, sensors, and accessories may differ.
Please provide the VIN, original engine code, and a photo of the engine identification label to confirm compatibility.
Engine Long Block / Assembly:
11002453447, 11002444102, 11002412852, 11005a0d315
Short Block: 11002453445
Engine Service Code: B48B20A, B48B20B
BMW engine part numbers vary according to vehicle model, engine version, production date, and emissions specification.
The following are examples of BMW catalog references for specific B48 applications:
| Part Number | Catalog Description | Application Note |
|---|---|---|
| 11002470899 | Short Engine | Selected G20 320i B48B20A configuration |
| 11002470900 | RP Engine | Selected G20 320i B48B20A configuration |
| 11005A55CA0 | RP Engine | Selected G22 430iX B48B20B configuration |
| 11005A5B164 | RP Engine | Selected G22 430iX B48B20B configuration |
These references are not universal OE numbers for every B48B20 long block. They must not be applied to other engine suffixes or
vehicle configurations without BMW catalog verification.
For an accurate quotation, please provide the VIN and original engine identification details.
We support professional automotive aftermarket customers, including:
Engine Importers
Automotive Parts Wholesalers
Engine Rebuilders
Auto Parts Distributors
Repair Workshops
Automotive Replacement Engine Suppliers
For accurate product matching and quotation, please provide:
Engine model: B48B20
Full engine suffix, if available
Vehicle make and model
Production year
VIN or chassis number
Original engine part number
Drive configuration: RWD or xDrive AWD
Required configuration: Long Block or Complete Engine
Order quantity
Destination country
Product condition, included components, inspection documents, packaging, lead time,
and warranty terms can be confirmed according to the actual order.
Q1: What is the displacement of the BMW B48B20 engine?
The BMW B48B20 is a 2.0L turbocharged gasoline engine with a displacement of 1,998cc.
Q2: Is the B48B20 suitable for xDrive vehicles?
Selected B48B20 versions are used in BMW xDrive vehicles. Compatibility depends on the full engine code,
vehicle model, production date, and installation configuration.
Q3: Is B48B20 the same as B48A20?
No. B48B20 is generally the longitudinal version used in selected rear-wheel-drive and xDrive applications.
B48A20 is the transverse version used in selected front-wheel-drive platform applications. They should not be treated as interchangeable.
Q4: Are all B48B20 engines interchangeable?
No. Different B48B20 suffixes, technical revisions, power outputs, and emissions configurations may have different internal
and external components. VIN and engine-code verification is recommended.
Q5: Is the BMW B48B20 a Euro 5 engine?
The emissions standard depends on the vehicle market, production date, and exact engine configuration.
Please confirm Euro 5 compliance using the original vehicle emissions documentation.
Q6: Does the long block include the turbocharger and fuel system?
Not necessarily. The turbocharger, fuel injectors, high-pressure fuel pump, intake and exhaust manifolds, ECU,
and other external accessories must be confirmed separately.
Q7: How can I confirm the correct OE number?
Please provide the VIN, complete engine code, original engine number, and vehicle production date.
These details help verify the correct BMW catalog reference.
Looking for a BMW B48B20 2.0L turbocharged gasoline long block engine for your wholesale, distribution, or engine replacement business?
Contact us with your vehicle information, engine identification details, required configuration, order quantity, and destination country.
Our sales team can assist with engine identification, OE reference verification, product configuration confirmation, and B2B quotation.
BMW B48B20 Engine | 2.0L Turbocharged Gasoline | xDrive Applications | Long Block | B2B Wholesale Supply
| Place of Origin | Guangdong, China |
| Condition | New |
| Purpose | for replace/repair |
| Type | Gas / Petrol Engine |
| Power | OEM Standards |
| Quantity (pieces) | 1 - 10 | 11 - 50 | > 50 |
| Lead time (days) | 7 | 15 | To be negotiated |
1.Our remanufactured products use accessories provided by well-known brand suppliers such as VICTORREINZ, SCHAEFFLER, KS KOLBENSCHMIDT GmbH, etc.
2.Our product quality is close to the original factory quality, but the price is only 50-60% of the original engine. We can also provide you with a one-year or 100000 kilometer warranty service for the entire machine, and professional after-sales personnel will follow up with you.
3.We have over 15 years of experience in the production and research of automotive engines, and our technical level and personnel training are very scientific and mature. Customers who have worked with us have expressed their agreement with our products and after-sales service.
4.2018 It has achieved an annual production capacity of 2200 units and has become a major supplier of high-end engine remanufacturing and parts in China's automotive aftermarket.
5.In April 2021, T/CAAMTB passed the certification company of China Automobile Research and Huacheng. 19-2019 Certification of the management system requirements of gas vehicle parts remanufacturing enterprisesIn October 2021, he became a member of the National Green Manufacturing Technology Standardization Committee and participated in the drafting of the Technical Specification for Assembly of Remanufacturing Mechanical and Electrical Products.


