You will receive a non-binding offer by 10 a.m on the next working day

You will receive a non-binding offer by 10 a.m on the next working day

Engine B46B20B BMW 3 Series F30 F80 F31 F34 2 F22 F87 4 F32 F82 F33 F83 F36 F23 5 G30 F90 G31 X3 G01 F97 X4 G02 F98 G20 G80 G28 Z4 G29 G21 G81 G22 G82 G23 G83 G26 330i xDrive 230i 430i 530i 530e Plug

Engine B46B20B BMW 3 Series F30 F80 F31 F34 2 F22 F87 4 F32 F82 F33 F83 F36 F23 5 G30 F90 G31 X3 G01 F97 X4 G02 F98 G20 G80 G28 Z4 G29 G21 G81 G22 G82 G23 G83 G26 330i xDrive 230i 430i 530i 530e Plug

Buy B46 B20 B engine

from

3.619,00 

🟡 Occasionally in stock

⚠️ Note on availability:

Due to high demand and rapidly changing stock levels, we are unable to display real-time availability in our webshop. The availability indication therefore represents an estimate of the likelihood that a motor is currently in stock.

For binding information and a concrete offer, we kindly ask you to submit a request. You will receive an offer within a few hours.

incl. VAT, plus shipping costs

4–8 business days delivery time.

In Stock

Online orders in our online shop is currently not available: please fill out the “Availability Request Form” first. You will then receive a tailored offer in PDF format, after which you can place your order directly via email or phone.

Non-committal offer: This engine (B46 B20 B) is also available through other sales channels (both online and offline). Consequently, the possibility of a short-term intermediate sale cannot be ruled out. It is essential to check the engine’s availability and compatibility with your vehicle before proceeding.

WE ARE HERE TO HELP YOU!

Available B46 B20 B engines

Discover our diverse range of engines – perfectly tailored to your individual needs. Whether you're looking for affordable replacement engines, complete engines, or professional engine overhauls: with us, you're guaranteed to find the right solution for your vehicle.


The listed prices vary depending on the mileage and current stock levels/capacities. You will receive a binding price with a customized offer upon request.

Our used B46 B20 B engine without attachments includes the following scope of delivery:

  • Tested short block (engine block with oil pump, crankshaft, bearings, connecting rods, pistons)

  • Cylinder head including camshaft and valves

  • Oil pan & valve cover (used as transport protection, may need to be reused from the old part)

  • Testing procedures: Leak-down test, cylinder inspection with endoscope camera, inspection of oil pan and valve cover, visual check of crankshaft & camshafts, examination of residues in oil pump and oil pan

The timing chain/belt must be replaced before installation.
Request the availability of the engine now—free and without obligation:

Our complete used B46 B20 B engine with attachments includes the following scope of delivery:

  • Tested engine (engine block + cylinder head)

  • Untested attachments such as starter, injectors, injection system, turbocharger, ignition coils, intake manifold, and much more

  • Oil pan & valve cover used as transport protection (may need to be reused from the old part)

  • Testing procedures: Leak-down test, cylinder inspection with endoscope camera, inspection of oil pan and valve cover, examination of residues in oil pump and oil pan

Attachments are included free of charge, but without any warranty.
The timing chain/belt must always be replaced before installation.
Request the availability of the engine now—free and without obligation:

Our overhauled B46 B20 B engine without attachments has been fully reconditioned to 0 km and includes:

  • Fully overhauled engine block with cylinder head

  • New parts: valves, valve stem seals, piston rings, main/connecting rod bearings, oil pump, internal timing chain/belt

  • Processing & testing procedures: camshaft and crankshaft are measured, polished, crack-tested, and ultrasonically cleaned; cylinder head is measured, resurfaced, and ultrasonically cleaned; block is honed, ground, and measured; pistons are inspected, cleaned, and undergo UV crack testing

A durable engine in like-new condition – ideal for the highest demands.
Request the availability of the engine now—free and without obligation.

With our customer engine overhaul service, we recondition your defective B46 B20 B engine:

  • Collection of your engine (without attachments)

  • Professional overhaul to 0 km with high-quality new parts (e.g., Kolbenschmidt, FEBI, FAI)

  • New parts: valves, piston rings, oil pump, bearings, internal timing chain/belt

  • Processing & testing procedures: camshaft and crankshaft are measured, polished, crack-tested, and ultrasonically cleaned; cylinder head is measured, resurfaced, and ultrasonically cleaned; block is honed, ground, and measured; pistons are inspected, cleaned, and undergo UV crack testing

After approximately 10–12 business days, you will receive your reconditioned engine back.
Request the availability of the overhaul service now—free and without obligation.

Check compatibility and availability of engine B46 B20 B

Kindly complete the “request for quote” form. We will confirm whether the engine B46 B20 B matches your vehicle and provide you with detailed proposals for all the available options, whether you’re looking for a used engine, a reconditioned one, or prefer it bare or complete. Following this, you may proceed to place your order directly.

Engine description:

Your benefits:

Compatible vehicles with engine B46 B20 B:

B46 B20 B Engine Technical Specifications & Compatibility.

Additional information

Engine Code

B46 B20 B, B46B20B

Make

BMW

Model

2 F22 F87, 2 F23, 3 F30 F80, 3 F31, 3 F34, 3 G20 G80 G28, 3 G21, 3 G21 G81, 4 F32 F82, 4 F33 F83, 4 F36, 4 G22 G82, 4 G23 G83, 4 G26, 5 G30 F90, 5 G31, X3 G01 F97, X4 G02 F98, Z4 G29

Motorization

230i, 320i, 330e PluginHybrid, 330e PluginHybrid xDrive, 330i, 330i xDrive, 420i, 430i, 430i xDrive, 520i, 530e PluginHybrid, 530e PluginHybrid xDrive, 530i, 530i MildHybrid, 530i MildHybrid xDrive, 530i xDrive, sDrive 20i, sDrive 30i, xDrive 20i Mild Hybrid, xDrive 30e PluginHybrid, xDrive 30i, xDrive 30i Mild Hybrid

Power (hp)

231hp, 163hp, 184hp, 197hp, 245hp, 252hp, 258hp, 272hp, 292hp

Power (kW)

170kW, 120kW, 135kW, 145kW, 180kW, 185kW, 190kW, 200kW, 215kW

Fuel

Petrol

Number of Cylinders

4

Engine Capacity (ccm)

1998

Torque (Nm)

350

Compression

11

Bore (mm)

82

Stroke (mm)

94.6

Number of Bearings

5

Number of Valves

16

Engine Charging

Exhaust Turbocharger

Combustion

Petrol Engine

Fuel Mixture

Direct Injection

Engine Type

Straight

Cylinder Type

DOHC

Engine Management

Chain

Price Used Engine (€)

3619

About Us

Robust and durable B46 B20 B engine for BMW

Thoroughly tested BMW B46 B20 B engine

Our service for the B46 B20 B engine

Awards and Reviews for Fair-Motors

Award for being the most popular engine dealer in Germany
"FAIR-MOTORS is the MOST POPULAR engine dealer on the biggest comparison platform for engines and engine repair (MotorschadenVergleich.de)."
Rated 4.68 out of 5
Excellent
4,68 out of 5,00 Stars
total 327 Reviews
89,76% positive
(Sep. 2022) 

Information about the BMW replacement engine B46 B20 B:

The B46 B20 B, B46B20B engine is used by the manufacturer BMW in the following models: 2 Series F22 F87, 2 Series F23, 3 Series F30 F80, 3 Series F31, 3 Series F34, 3 Series G20 G80 G28, 3 Series G21, 3 Series G21 G81, 4 Series F32 F82, 4 Series F33 F83, 4 Series F36, 4 Series G22 G82, 4 Series G23 G83, 4 Series G26, 5 Series G30 F90, 5 Series G31, X3 G01 F97, X4 G02 F98, Z4 G29.

Engine type and performance:

Depending on the engine control unit, the Petrol engine B46 B20 B has an output of 231hp, 163hp, 184hp, 197hp, 245hp, 252hp, 258hp, 272hp, 292hp, which is equivalent to 170kW, 120kW, 135kW, 145kW, 180kW, 185kW, 190kW, 200kW, 215kW.

The 4-cylinder Exhaust Turbocharger engine is Water-cooled and produces a torque of 350Nm with a displacement of 1998ccm.

The 230i, 320i, 330e PluginHybrid, 330e PluginHybrid xDrive, 330i, 330i xDrive, 420i, 430i, 430i xDrive, 520i, 530e PluginHybrid, 530e PluginHybrid xDrive, 530i, 530i MildHybrid, 530i MildHybrid xDrive, 530i xDrive, sDrive 20i, sDrive 30i, xDrive 20i Mild Hybrid, xDrive 30e PluginHybrid, xDrive 30i, xDrive 30i Mild Hybrid B46 B20 B engine features 16 valves, 5 bearings, and achieves a compression ratio of 11 with a stroke of 94.6 mm and a bore of 82 mm.

It is a DOHC Petrol Engine Straight engine with Direct Injection, powered by a Chain.

Detailed list of compatible vehicles for the engine B46 B20 B:

Make Model Motorization
BMW2 Convertible (F23) [from 2014/03]230 i [252 hp, 185 kW, 1998 cc, from 2016/07]
BMW2 Coupe (F22, F87) [from 2012/10]230 i xDrive [252 hp, 185 kW, 1998 cc, from 2016/07]
BMW2 Coupe (F22, F87) [from 2012/10]230 i [252 hp, 185 kW, 1998 cc, from 2016/07]
BMW3 (F30, F80) [from 2011/11 to 2018/10]330 i xDrive [252 hp, 185 kW, 1998 cc, from 2015/07 to 2018/10]
BMW3 (F30, F80) [from 2011/11 to 2018/10]330 i [252 hp, 185 kW, 1998 cc, from 2015/07 to 2018/10]
BMW3 (G20, G80, G28) [from 2018/11]330 e Plug-in-Hybrid xDrive [184 hp, 135 kW, 1998 cc, from 2020/07]
BMW3 (G20, G80, G28) [from 2018/11]330 e Plug-in-Hybrid xDrive [292 hp, 215 kW, 1998 cc, from 2020/07]
BMW3 (G20, G80, G28) [from 2018/11]330 e Plug-in-Hybrid [184 hp, 135 kW, 1998 cc, from 2019/07]
BMW3 (G20, G80, G28) [from 2018/11]330 e Plug-in-Hybrid [252 hp, 185 kW, 1998 cc, from 2019/07 to 2020/02]
BMW3 (G20, G80, G28) [from 2018/11]330 e Plug-in-Hybrid [292 hp, 215 kW, 1998 cc, from 2019/07]
BMW3 (G20, G80, G28) [from 2018/11]330 i xDrive [258 hp, 190 kW, 1998 cc, from 2018/11]
BMW3 (G20, G80, G28) [from 2018/11]330 i [258 hp, 190 kW, 1998 cc, from 2018/11]
BMW3 Gran Turismo (F34) [from 2012/07]330 i xDrive [252 hp, 185 kW, 1998 cc, from 2016/07]
BMW3 Touring (F31) [from 2012/07 to 2019/06]330 i xDrive [252 hp, 185 kW, 1998 cc, from 2015/07 to 2019/06]
BMW3 Touring (G21, G81) [from 2019/07]320 i [184 hp, 135 kW, 1998 cc, from 2019/11]
BMW3 Touring Van (G21) [from 2019/07]320 i [184 hp, 135 kW, 1998 cc, from 2019/11]
BMW4 Convertible (F33, F83) [from 2013/10]430 i xDrive [252 hp, 185 kW, 1998 cc, from 2016/03]
BMW4 Convertible (F33, F83) [from 2013/10]430 i [252 hp, 185 kW, 1998 cc, from 2016/03]
BMW4 Convertible (G23, G83) [from 2020/11]420 i [184 hp, 135 kW, 1998 cc, from 2020/11]
BMW4 Convertible (G23, G83) [from 2020/11]430 i xDrive [258 hp, 190 kW, 1998 cc, from 2021/07]
BMW4 Convertible (G23, G83) [from 2020/11]430 i [245 hp, 180 kW, 1998 cc, from 2021/07]
BMW4 Convertible (G23, G83) [from 2020/11]430 i [258 hp, 190 kW, 1998 cc, from 2020/11]
BMW4 Coupe (F32, F82) [from 2013/07]430 i xDrive [252 hp, 185 kW, 1998 cc, from 2016/03]
BMW4 Coupe (F32, F82) [from 2013/07]430 i [252 hp, 185 kW, 1998 cc, from 2016/03]
BMW4 Coupe (G22, G82) [from 2020/07]420 i [184 hp, 135 kW, 1998 cc, from 2020/07]
BMW4 Coupe (G22, G82) [from 2020/07]430 i xDrive [258 hp, 190 kW, 1998 cc, from 2021/07]
BMW4 Coupe (G22, G82) [from 2020/07]430 i [245 hp, 180 kW, 1998 cc, from 2021/07]
BMW4 Coupe (G22, G82) [from 2020/07]430 i [258 hp, 190 kW, 1998 cc, from 2020/07]
BMW4 Gran Coupe (F36) [from 2014/03]430 i xDrive [252 hp, 185 kW, 1998 cc, from 2016/03]
BMW4 Gran Coupe (F36) [from 2014/03]430 i [252 hp, 185 kW, 1998 cc, from 2016/03]
BMW4 Gran Coupe (G26) [from 2021/07]420 i [184 hp, 135 kW, 1998 cc, from 2021/07]
BMW4 Gran Coupe (G26) [from 2021/07]430 i xDrive [258 hp, 190 kW, 1998 cc, from 2021/07]
BMW4 Gran Coupe (G26) [from 2021/07]430 i [245 hp, 180 kW, 1998 cc, from 2021/07]
BMW5 (G30, F90) [from 2016/09]520 i [184 hp, 135 kW, 1998 cc, from 2017/07 to 2020/06]
BMW5 (G30, F90) [from 2016/09]530 e Plug-in-Hybrid xDrive [184 hp, 135 kW, 1998 cc, from 2017/03]
BMW5 (G30, F90) [from 2016/09]530 e Plug-in-Hybrid xDrive [252 hp, 185 kW, 1998 cc, from 2017/03 to 2020/06]
BMW5 (G30, F90) [from 2016/09]530 e Plug-in-Hybrid xDrive [292 hp, 215 kW, 1998 cc, from 2020/07]
BMW5 (G30, F90) [from 2016/09]530 e Plug-in-Hybrid [184 hp, 135 kW, 1998 cc, from 2017/03]
BMW5 (G30, F90) [from 2016/09]530 e Plug-in-Hybrid [252 hp, 185 kW, 1998 cc, from 2017/03 to 2020/06]
BMW5 (G30, F90) [from 2016/09]530 e Plug-in-Hybrid [292 hp, 215 kW, 1998 cc, from 2020/07]
BMW5 (G30, F90) [from 2016/09]530 i Mild-Hybrid xDrive [245 hp, 180 kW, 1998 cc, from 2022/05 to 2023/06]
BMW5 (G30, F90) [from 2016/09]530 i Mild-Hybrid [245 hp, 180 kW, 1998 cc, from 2022/05 to 2023/06]
BMW5 (G30, F90) [from 2016/09]530 i xDrive [245 hp, 180 kW, 1998 cc, from 2022/05]
BMW5 (G30, F90) [from 2016/09]530 i xDrive [252 hp, 185 kW, 1998 cc, from 2016/09 to 2020/06]
BMW5 (G30, F90) [from 2016/09]530 i [245 hp, 180 kW, 1998 cc, from 2022/05]
BMW5 (G30, F90) [from 2016/09]530 i [252 hp, 185 kW, 1998 cc, from 2016/09 to 2020/06]
BMW5 Touring (G31) [from 2017/03]530 i xDrive [245 hp, 180 kW, 1998 cc, from 2022/05]
BMW5 Touring (G31) [from 2017/03]530 i [245 hp, 180 kW, 1998 cc, from 2022/05]
BMWX3 (G01, F97) [from 2017/07]sDrive 30 i [251 hp, 185 kW, 1998 cc, from 2018/04]
BMWX3 (G01, F97) [from 2017/07]xDrive 20 i Mild Hybrid [184 hp, 135 kW, 1998 cc, from 2021/08]
BMWX3 (G01, F97) [from 2017/07]xDrive 30 e Plug-in-Hybrid [163 hp, 120 kW, 1998 cc, from 2019/12]
BMWX3 (G01, F97) [from 2017/07]xDrive 30 e Plug-in-Hybrid [184 hp, 135 kW, 1998 cc, from 2019/12]
BMWX3 (G01, F97) [from 2017/07]xDrive 30 e Plug-in-Hybrid [231 hp, 170 kW, 1998 cc, from 2019/12]
BMWX3 (G01, F97) [from 2017/07]xDrive 30 e Plug-in-Hybrid [252 hp, 185 kW, 1998 cc, from 2019/12]
BMWX3 (G01, F97) [from 2017/07]xDrive 30 e Plug-in-Hybrid [272 hp, 200 kW, 1998 cc, from 2023/01]
BMWX3 (G01, F97) [from 2017/07]xDrive 30 i Mild Hybrid [245 hp, 180 kW, 1998 cc, from 2021/08]
BMWX3 (G01, F97) [from 2017/07]xDrive 30 i [252 hp, 185 kW, 1998 cc, from 2017/08]
BMWX4 (G02, F98) [from 2018/04]xDrive 20 i Mild Hybrid [184 hp, 135 kW, 1998 cc, from 2021/08]
BMWX4 (G02, F98) [from 2018/04]xDrive 30 i Mild Hybrid [245 hp, 180 kW, 1998 cc, from 2021/07]
BMWX4 (G02, F98) [from 2018/04]xDrive 30 i [252 hp, 185 kW, 1998 cc, from 2018/04]
BMWZ4 Roadster (G29) [from 2018/11]sDrive 20 i [163 hp, 120 kW, 1998 cc, from 2018/11]
BMWZ4 Roadster (G29) [from 2018/11]sDrive 20 i [197 hp, 145 kW, 1998 cc, from 2018/11]
BMWZ4 Roadster (G29) [from 2018/11]sDrive 30 i [258 hp, 190 kW, 1998 cc, from 2018/11]

FAQ:

The quickest way is to fill out the “request for quote” form. Please provide the engine code B46 B20 B and your VIN number so we can accurately identify the engine that is compatible with your vehicle. You will swiftly receive a detailed offer in PDF format via email. If everything matches, you can then proceed with the order.

It depends on the inventory. We sell B46 B20 B engines either complete or bare. The complete engines come with spare parts included.

The engine is compatible with the following make and models:
BMW | 2 Series F22 F87, 2 Series F23, 3 Series F30 F80, 3 Series F31, 3 Series F34, 3 Series G20 G80 G28, 3 Series G21, 3 Series G21 G81, 4 Series F32 F82, 4 Series F33 F83, 4 Series F36, 4 Series G22 G82, 4 Series G23 G83, 4 Series G26, 5 Series G30 F90, 5 Series G31, X3 G01 F97, X4 G02 F98, Z4 G29

To be certain, you should provide us with your VIN number so we can verify the engine’s compatibility.

The contents of the delivery vary depending on the engine. For the complete engine, we deliver the engine block with the cylinder head, valve cover, oil pan, and the injection system, turbocharger, alternator, manifold, wiring harness, etc. For the bare engine without ancillary parts, we deliver the engine block with the cylinder head, valve cap, and oil pan.

  • The contents of the delivery may vary. Please check the exact contents of the delivery in the PDF offer.

The mileage depends on the condition of the engine. The overhauled engine has been reset to 0km. The mileage of the used engine can vary. Make a brief inquiry on our website, and you will receive a detailed offer with precise mileage information.

The following parts are replaced with NEW ones:

  • Valves
  • Valve stem seals
  • Piston rings
  • Connecting rod bearings and main bearings
  • Oil pump
  • Timing chain with tensioner

Additional revision steps:

  • The camshaft and crankshaft are measured, polished, checked for cracks, and ultrasonically cleaned.
  • The cylinder head is measured, leveled, and ultrasonically cleaned.
  • The block is planed, sanded, and measured.
  • Pistons are inspected, cleaned, and subjected to UV crack testing.
  • Leakdown tests

✅ We can, of course, also overhaul your faulty engine.

FULL SERVICE:

We handle everything in-house, from engine overhauling to marketing and web design. This cuts down on many costs.

EFFICIENT USE OF OUR MACHINES:

Our processes are finely tuned, ensuring no downtime. Our machines and staff are fully utilized.

OPTIMIZED TASK DISTRIBUTION:

Each person works solely within their area of expertise. For instance, we have different specialists for various makes/types of engines. This saves a significant amount of time and enhances quality.

Yes, sometimes. The deposit varies depending on the engine.

The price of the engine varies depending on the engine’s condition:

Used engine: 3619 €

Complete engine: €

Overhauled engine: €

Engine Overhaul: €

Please note: Prices and availability are provided for guidance only!

Make an inquiry on the website to receive a detailed and final offer.

Similar Engines: