New BMW 1 Series 120i/125i Turbo – Ref. 49477-02404
- 100% secure online payment
- Delivery to your garage or home, anywhere in Europe
- 12-month parts warranty
- Reconditioned and checked turbo
- Part
- Turbo
- Part type
- New turbo
- Make
- BMW
- Model
- 1 Series
- Engine
- 120i 184 hp, 125i 224 hp
- Fuel
- Petrol
- Equivalent references
- 49477-02404, 11652393604, 11657637563, 11658631891, 11658631892, 2393604, 239360401, 7637563, 763756305, 763756307, 763756308, 763756309, 763756310, 763756311, 763756312, 8631891, 8631892
- Warranty
- 12 months
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How a healthy turbo transforms driving a BMW 1 Series
On a BMW 1 Series 120i or 125i, a healthy turbocharger delivers immediate, linear boost build-up, crisp throttle response from low revs, and no whistling or exhaust smoke. As soon as a turbo starts to fail, the driving experience becomes hesitant: throttle response lags, power seems to plateau and the engine may enter limp-home mode. Fitting a new turbo instantly restores the original driving feel, with stable boost pressure and the normal sound of the 2.0-litre petrol engine.
Compatibility of the new turbo for BMW 1 Series
This new turbo is compatible with reference 49477-02404 and fits BMW 1 Series petrol models 120i and 125i equipped with engine codes B48B20, B48 B20 A and B48 B20 B, with an engine capacity of 1998 cm3. Before placing an order, we recommend that customers verify the reference shown on their original turbo or on the vehicle's identification plate, as versions and specifications may vary depending on the trim level.
Warranty and delivery of the BMW 1 Series turbo
This new turbo is sold as a straightforward purchase: no old unit to return — the customer simply receives the new turbo. The part is covered by a 12-month parts warranty, subject to fitting by a qualified professional. Payment can be spread over multiple instalments, in up to 10 instalments.
Fitting and maintenance advice for the B48 engine
On the B48 engines fitted to BMW 1 Series models, premature turbo failure is most commonly caused by insufficient lubrication, poor-quality engine oil or missed oil changes, as well as a clogged air filter allowing particles to enter the compressor. Before fitting the new turbo, it is recommended to check the oil circuit, the condition of the hoses and the air intake, then to prime the turbo with oil before the first start-up to ensure immediate lubrication of the bearings.
This same turbo also fits
How a healthy turbo transforms driving a BMW 1 Series
On a BMW 1 Series 120i or 125i, a healthy turbocharger delivers immediate, linear boost build-up, crisp throttle response from low revs, and no whistling or exhaust smoke. As soon as a turbo starts to fail, the driving experience becomes hesitant: throttle response lags, power seems to plateau and the engine may enter limp-home mode. Fitting a new turbo instantly restores the original driving feel, with stable boost pressure and the normal sound of the 2.0-litre petrol engine.
Compatibility of the new turbo for BMW 1 Series
This new turbo is compatible with reference 49477-02404 and fits BMW 1 Series petrol models 120i and 125i equipped with engine codes B48B20, B48 B20 A and B48 B20 B, with an engine capacity of 1998 cm3. Before placing an order, we recommend that customers verify the reference shown on their original turbo or on the vehicle's identification plate, as versions and specifications may vary depending on the trim level.
Warranty and delivery of the BMW 1 Series turbo
This new turbo is sold as a straightforward purchase: no old unit to return — the customer simply receives the new turbo. The part is covered by a 12-month parts warranty, subject to fitting by a qualified professional. Payment can be spread over multiple instalments, in up to 10 instalments.
Fitting and maintenance advice for the B48 engine
On the B48 engines fitted to BMW 1 Series models, premature turbo failure is most commonly caused by insufficient lubrication, poor-quality engine oil or missed oil changes, as well as a clogged air filter allowing particles to enter the compressor. Before fitting the new turbo, it is recommended to check the oil circuit, the condition of the hoses and the air intake, then to prime the turbo with oil before the first start-up to ensure immediate lubrication of the bearings.
This same turbo also fits
Frequently asked questions
Everything you need to know before ordering your part.
