Change Car Turbo BMW 5-Series

Change Car Turbo

Very technical 2h00–31h00 ~200–3100£
Estimated time 2h00–31h00
Estimated labour cost ~200–3100£
Difficulty Very technical
Vehicles
5-Series 1996-2004 6
  • 520d Diesel (M47D20 (204D1))
  • 525d Diesel (M57D25 (256D1))
  • 525td Diesel (M51D25 (256T1))
  • 525tds Diesel (M51D25 (256T1))
  • 530d Diesel (M57D30 (306D1))
  • 530d Diesel (M57D30 (306D1))
5-Series 2003-2011 13
  • 520d Diesel (M47D20T2)
  • 520d Diesel (N47D20A)
  • 520d Diesel (N47D20C)
  • 525d Diesel (M57D25TU)
  • 525d Diesel (M57D25TU)
  • 525d Diesel (M57D30 (306D3))
  • 525d, Xd Diesel (M57D30T2)
  • 530d Diesel (M57D30T2)
  • 530d Diesel (M57D30TU)
  • 530d, Xd Diesel (M57D30T2)
  • 530d, Xd Diesel (M57D30T2)
  • 535d Diesel (M57D30T2TOP)
  • 535d Diesel (M57D30TUTOP)
5-Series 2009-2017 28
  • 518d Diesel (B47D20A)
  • 518d Diesel (N47D20C)
  • 520d Diesel (B47D20A)
  • 520d Diesel (N47D20C)
  • 520d, -xDrive Diesel (N47D20C)
  • 520d, -xDrive M Performance Diesel (B47D20A)
  • 520d, -xDrive M Performance Diesel (N47D20C)
  • 520d,-xDrive Diesel (B47D20A)
  • 520i Petrol (N20B16A)
  • 520i Petrol (N20B20A)
  • 520i Petrol (N20B20B)
  • 520i Petrol (N20B20D)
  • 525d Diesel (N57D30A)
  • 525d Diesel (N57D30A)
  • 525d, -xDrive Diesel (N47D20D)
  • 528i, -xDrive Petrol (N20B20A)
  • 530d, -xDrive Diesel (N57D30A)
  • 530d, -xDrive Diesel (N57D30A)
  • 530d, -xDrive M Performance Diesel (N57D30A)
  • 535d Diesel (N57D30B)
  • 535d, -xDrive Diesel (N57D30B)
  • 535i, -xDrive M Performance Petrol (N55B30A)
  • 535i, -xDrive Petrol (N55B30A)
  • 550i, -xDrive Petrol (N63B44A)
  • 550i, -xDrive Petrol (N63B44B)
  • M5 30 Jahre Petrol (S63B44B)
  • M5 Petrol (S63B44B)
  • M5 Petrol (S63B44B)
5-Series 2017-2025 29
  • 518d Diesel (B47D20B)
  • 520d, -mHev, -xDrive 48V (MHEV),Diesel (B47D20B+JA1)
  • 520d, -xDrive Diesel (B47D20A)
  • 520d, -xDrive Diesel (B47D20B)
  • 520e Electricity,Petrol (B48B20A+GC1)
  • 520i M Performance Petrol (B48B20A)
  • 520i mHev 48V (MHEV),Petrol (B48B20A)
  • 520i Petrol (B48B16A)
  • 520i Petrol (B48B20A)
  • 520i Petrol (B48B20A)
  • 520i Petrol (B48B20B)
  • 520i Petrol (B48B20B)
  • 530d mHev, -xDrive 48V (MHEV),Diesel (B57D30B+JA1)
  • 530d, -xDrive Diesel (B57D30A)
  • 530e iPerformance Electricity,Petrol (B48B20A+GC1)
  • 530e, -xDrive Electricity,Petrol (B48B20A+GC1)
  • 530i mHev, -xDrive 48V (MHEV),Petrol (B48B20B)
  • 530i, -xDrive Petrol (B48B20B)
  • 540d mHev, -xDrive 48V (MHEV),Diesel (B57D30B)
  • 540i mHev, -xDrive 48V (MHEV),Petrol (B58B30C)
  • 540i xDrive Petrol (B58B30C)
  • 540i, -xDrive M Performance Petrol (B58B30A)
  • 540i, -xDrive Petrol (B58B30A)
  • 545e, -xDrive Petrol (B58B30C+GC1)
  • M5 Competition Petrol (S63B44B)
  • M5 Petrol (S63B44B)
  • M550d xDrive Diesel (B57D30C)
  • M550i xDrive Petrol (N63B44C)
  • M550i xDrive Petrol (N63B44D)
Renew the turbocharger 12h00
Renew the turbocharger Rear-wheel drive 11h00

What is the role of the BMW 5-Series turbo?

The turbocharger increases engine power by compressing the intake air, allowing more air (and therefore more fuel) into the combustion chambers. It is driven by exhaust gases spinning a turbine at speeds up to 250,000 rpm. The compressed intake air passes through an intercooler to reduce its temperature before entering the engine.

What are the symptoms of a failing BMW 5-Series turbo?

Common symptoms include: loss of engine power or boost, excessive exhaust smoke (blue/white for oil burning, black for over-fuelling), whining or whistling noise from the turbo area, engine warning light or turbo fault codes, oil leaks at the turbo housing, increased oil consumption.

What causes BMW 5-Series turbo failure?

The main causes are: oil starvation (blocked or restricted oil feed lines, low oil level, poor oil quality), foreign object ingestion, excessive exhaust temperature, worn bearings due to high mileage, and contaminated oil. Always investigate and fix the root cause before fitting a replacement turbo.

Can a BMW 5-Series turbo be reconditioned?

Yes, turbo reconditioning is a common and cost-effective alternative to buying new. A reputable service will disassemble, inspect, replace worn parts, rebalance, and test the unit. Expect to pay 30–60% of the new price.

Is it difficult to change a BMW 5-Series turbo?

Difficulty level 5/5: very technical. The turbo is connected to both the intake and exhaust systems, requiring numerous disassembly steps. Approximately 5 hours on average for a professional mechanic. Key precautions after fitting: change the engine oil and filter, prime the turbo with oil before starting, allow the turbo to cool down after hard driving by idling for 30 seconds before switching off.

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View your 5-Series maintenance plan (keep the 5-Series token) →

6 models covered

Model Year Range Engines covered Fuel
5-Series 1981-1988 1981-1988 518 Petrol (M10B18), 518i Petrol (M10B18), 520i Petrol (M20B20), 520i Petrol (M20B20), 524td Diesel (M21D24), 525e Petrol (M20B27), 525i Petrol (M30B25), 528i Petrol (M30B28), 535i Petrol (M30B34), M5 Petrol (S38B35) Diesel, Petrol
5-Series 1987-1997 1987-1997 520i Petrol (M20B20M), 525i Petrol (M20B25M), 525i, -ix Petrol (M50B25), 530i Petrol (M30B30M), 535i Petrol (M30B35M), 535i Petrol (M30B35M) Petrol
5-Series 1996-2004 1996-2004 520d Diesel (M47D20 (204D1)), 520i Petrol (M52B20TU (206S4)), 520i, -LPG LPG,Petrol (M52B20 (206S3)), 520i, -LPG LPG,Petrol (M52B20TU (206S4)), 520i, -LPG LPG,Petrol (M54B22 (226S1)), 523i, -LPG LPG,Petrol (M52B25 (256S3)), 523i, -LPG LPG,Petrol (M52B25TU (256S4)), 525d Diesel (… Diesel, LPG, Petrol
5-Series 2003-2011 2003-2011 520d Diesel (M47D20T2), 520d Diesel (N47D20A), 520d Diesel (N47D20C), 520i (120/125 kW) Petrol (N43B20A), 520i Petrol (M54B22), 520i Petrol (N46B20B), 523i Petrol (N52B25A), 523i, -LPG LPG,Petrol (N52B25A), 523i, -LPG LPG,Petrol (N53B25A), 525d Diesel (M57D25TU), 525d Diesel (M5… Diesel, LPG, Petrol
5-Series 2009-2017 2009-2017 518d Diesel (B47D20A), 518d Diesel (N47D20C), 520d Diesel (B47D20A), 520d Diesel (N47D20C), 520d, -xDrive Diesel (N47D20C), 520d, -xDrive M Performance Diesel (B47D20A), 520d, -xDrive M Performance Diesel (N47D20C), 520d,-xDrive Diesel (B47D20A), 520i Petrol (N20B16A), 520i Petr… Diesel, Petrol
5-Series 2017-2025 2017-2025 518d Diesel (B47D20B), 518d, -mHev 48V (MHEV),Diesel (B47D20B), 520d, -mHev, -xDrive 48V (MHEV),Diesel (B47D20B+JA1), 520d, -mHev, -xDrive 48V (MHEV),Diesel (B47D20B+JA1), 520d, -xDrive Diesel (B47D20A), 520d, -xDrive Diesel (B47D20B), 520e Electricity,Petrol (B48B20A+GC1), 520i… 48V (MHEV), Diesel, Electricity, Petrol

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Very easy 0h30–0h45
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Technical 5h00–10h00
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Easy 1h30–17h00
Change Car Front Brake Pads

Change Car Front Brake Pads

Easy 1h00–12h00
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Easy 0h30–2h30
Change Car Glow Plugs

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Intermediate 1h00–6h00
Change Car Handbrake Cable

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Very easy 0h30–0h30
Change Car Oil Filter

Change Car Oil Filter

Easy 0h30–8h00
Change Car Particulate Filter (DPF)

Change Car Particulate Filter (DPF)

Easy 0h30–3h00
Change Car Rear Silencer

Change Car Rear Silencer

Easy 0h45–2h30
Change Car Shock Absorbers

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Easy 2h00–5h00
Change Car Spark Plugs

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Easy 0h30–3h30
Change Car Timing Belt Kit

Change Car Timing Belt Kit

Very technical 4h00
Change Car Water Pump

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Easy 1h00–6h00
View the service schedule for your 5-Series →