Borg-Warner BO3 1855-970-0010 turbocharger upgrade for Mercedes-Benz A45 CLA GLA AMG M133 engine [ RATED FOR 500BHP ]
Engineered for higher boost, quicker response, and significant power gains, this high-flow turbo elevates throttle reaction and top-end performance while maintaining OEM fitment and reliability. Perfect for enthusiasts seeking harder acceleration, cleaner boost delivery, and genuine track-capable performance.
Technical features:
- 71mm 6+6 blade billet compressor wheel with extended tip
- Larger B03 High flow shaft
- Large-pad stainless steel thrust pad & collar
- 360° bronze thrust bearing
- Step-gap high temperature oil seals
- Based on original Borg-Warner unit
- Balanced on ”TurboTechnics” VSR400 rig, to a higher than standard 180,000 rpm
To achieve best results and optimal boost, You would need:
- Bigger, front mount intercooler.
- Upgraded exhaust system
- Upgraded air filter
Other essential requirements while fitting STAGE 3 Falcon upgrade turbo:
- New high-quality oil and oil filter.
- Brand new oil feed pipe from dealers.
- Turbocharger fitting kit [provided with this turbo]
All work has to be carried by professional garage or qualified technician.
Fits turbochargers with following numbers:
1855 988 0013
1855 970 0013
1855 970 0010
1855 970 0009
1855 970 0002
A1330900480
A 133 090 480
A1330900280
A 133 090 02 80
| Make & model | Year | Engine code | Power (kw / HP) |
|---|---|---|---|
| Mercedes-Benz A45 AMG (W176) | 2013 - | M133DE20AL | 360 & 381 HP |
| Mercedes-Benz CLA 45 AMG (C117) | 2013 - | M133.980 | 360 & 381 HP |
| Mercedes-Benz GLA 45 AMG (X156) | 2014 - | M133.980 | 360 & 381 HP |









