BMW 420i Complete Engine – OEM Code N20B20 – Compatible with 4 Series 420i 2.0 – 2016

Firstly, this BMW 420i complete engine brings a genuine, brand-new powertrain replacement to 4 Series 420i owners needing a full engine swap. Additionally, this listing includes an authentic N20B20 2.0-liter turbocharged four-cylinder engine manufactured in 2016, carrying original engine code N20B20A/B and confirmed part numbers 7634486, 11657634486, and 0261500533, delivered with 0 km exactly as pictured. Furthermore, buyers secure a brand-new genuine engine in one purchase instead of risking a rebuilt unit with unknown internal wear. Moreover, this engine suits independent BMW specialists, restoration shops, and 420i owners replacing a damaged or failed engine without sourcing a full donor vehicle.

BMW 420i Complete Engine Components Included in This Listing

• Complete N20B20 turbocharged four-cylinder engine block and internals
• Original valve cover assembly confirmed by part number 7634486
• Original oil filler cap and mounting hardware confirmed by 11657634486
• Factory engine control module confirmed by part number 0261500533
• Original wiring harness and engine control connector points
• BMW factory identification tag confirming engine code N20B20A/B

Why Buyers Choose This Genuine BMW 420i Engine

• Authentic new OEM unit rather than a rebuilt or remanufactured replacement
• Internal tolerances and turbo matching confirmed before listing
• Factory calibration matches BMW’s original specification exactly
• Rebuilt N20 engines from unknown sources often carry hidden wear
• This genuine new engine eliminates the risk of premature failure
• Confirmed 0 km reading gives buyers a completely unused engine

BMW 420i Engine Characteristics and Practical Uses

• Genuine BMW factory turbocharged engine, not a rebuilt or generic unit
• Brand-new condition confirmed at 0 km
• Single-turbo configuration delivers factory-rated 420i performance output
• Matches engine code N20B20A/B for direct compatibility without recalibration risk
• Ideal for collision repair, engine failure, or full powertrain replacement
• Sold as a complete assembly with matched OEM part numbers, avoiding mismatched sourcing

Vehicle Fitment and Model Compatibility

• Fits BMW 4 Series 420i models equipped with the factory 2.0 engine and code N20B20
• Matches original engine code N20B20A/B for guaranteed compatibility
• Confirmed part numbers 7634486, 11657634486, and 0261500533 ensure correct fitment
• Requires confirmation of engine code match before ordering
• Compatible with factory mounting points without chassis modification
• Suited for 420i coupe and convertible variants sharing the same engine

Installation Notes and Engine Condition Details

• Installation should only be performed by technicians experienced with BMW N20 powertrains
• Turbo plumbing and wiring integration require precise factory reconnection
• Engine block, valve cover, and connectors inspected before listing
• No fluid leaks or component damage confirmed during inspection
• Engine control module should be verified or recalibrated after installation
• Torque specifications must be followed per factory service guidelines

Shipping Standards and Purchase Assurance

Given the weight and value of a complete engine, this unit ships on a secured pallet with reinforced crating and protective packaging around the wiring and connectors. Typically, buyers receive tracking confirmation promptly once the order ships. Ultimately, this engine is verified against genuine BMW 420i specifications, giving buyers confidence in mileage and authenticity before installation begins.