Weistec W.3 Hybrid Turbo Upgrade for BMW S55 (F80 M3, F82/F83 M4, F87 M2 Competition) - Bolt-On OEM-Fit Twin Turbos, High-Flow, 720HP Capable

Weistec W.3 Hybrid Turbos for BMW S55-powered F80 M3, F82 F83 M4, F87 M2 Competition

Transform your S55 straight-six with Weistec W.3 hybrid turbochargers. These stock-location, direct replacement units are engineered to deliver huge airflow and stronger top-end pull while keeping crisp response and factory-like drivability. Ideal for BMW M2 Competition, M3 and M4 owners seeking a stealth, OEM-style install that unlocks serious performance potential.

We have fitted and used these on customer builds and the feedback is superb. Rapid spool, relentless acceleration through the revs and outstanding reliability make the W.3 a favourite for fast road and track-day cars.

Highlights

• Substantial gains in power and torque with appropriate fuel, calibration and hardware
• 5-axis CNC milled high-flow compressor wheel for efficient charge air delivery
• Precision high-speed balanced for OEM-grade smoothness and longevity
• Retains factory look in the engine bay for a discreet, stock-style appearance
• Direct fitment in the original location using existing oil and coolant connections
• Send-in service of your S55 turbochargers and inlets for machining and rebuild
• Optional core exchange to minimise downtime
• Weistec W.3 Turbo Specific ECU calibration recommended for best results

How it is built

Your original turbo units are stripped and inspected. The compressor cover and centre section are precisely machined to accept Weistec’s 5-axis CNC impeller wheel. Externally they remain stock-style for a stealth install. Each unit is reassembled with new seals and balanced to high speed for smooth, long service life. Factory S55 oil and coolant lines bolt straight on for a straightforward fit.

Power potential

• Up to 720 HP
• Up to 750 TQ

Real-world output depends on fuel quality, ECU tuning and supporting components such as intercooling, exhaust and fueling. Pairing with the W.3 specific ECU calibration is strongly advised.

Vehicle fitment

• BMW F80 M3 Saloon S55 2012-2015
• BMW F80 LCI M3 Saloon S55 2015-2018
• BMW F82 M4 Coupe S55 2013-2017
• BMW F82 M4 GTS Coupe S55 2013-2017
• BMW F82 LCI M4 Coupe S55 2016-2019
• BMW F82 LCI M4 CS Coupe S55 2016-2019
• BMW F83 M4 Convertible S55 2013-2017
• BMW F83 LCI M4 Convertible S55 2016-2019
• BMW F87 LCI M2 Competition S55 2018+

Installation essentials

You will require the following additional parts for fitting:

• Genuine BMW S55 F80 F82 F87 Turbo Installation Kit
• Genuine BMW S55 F80 F82 F83 Turbo Coolant Supply and Return Lines Kit
• Genuine BMW S55 F80 F82 F87 Service Kit
• 2 x Castrol Edge 5W-30 M Fully Synthetic Engine Oil
• 4 x Genuine BMW Radiator Engine Antifreeze and Coolant 1.5 Litre
• 8 x De-Ionised Water 1 Litre

This is a send-in machining service for your S55 turbochargers and inlets. Core exchange is available.

Professional fitting and calibration

For expert installation, mapping advice and a seamless experience, book with MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk. We can advise on build spec, timelines and calibration options to meet your goals.

Part number

01-555-01859-9

Manufacturer

Weistec

Video

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