Pure Turbos BMW B58 Stage 1 Turbo (M140i, M240i, 340i & 440i)

Pure Turbos BMW B58 Stage 1 Turbo (M140i, M240i, 340i & 440i)

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This product is no longer available. Please see Pure Turbos BMW B58 Pure800 Stage 2 Turbo (M140i, M240i, 340i & 440i) or TTE BMW Toyota B58 F20 F30 F32 G30 TTE580 Hybrid Turbocharger Upgrade (Inc. M140i, M240i, 340i ,440i, 540i & A90 Supra) as alternatives. 

BMW B58 Stage 1 Upgrade for BMW M140i, M240i, 340i & 440i with the B58 engine.

  • Custom Billet Compressor wheel
  • CNC Machined
  • High Speed VSR Balanced
  • 481.18 whp and 437.84 ft/lbs + with supporting mods, see below

On stock car other than an air filter and 93 octane we gained over 30whp and 20ft/lbs with no tune.

On same stock car with only an air filter, JB4, and 93 octane / meth we made 481.18whp and 437.84 ft/lbs

This is a trade-in listing, which requires you to send us your stock B58 turbo to be upgraded.

Please Note: You will need to send in only your core turbo to be upgraded. (Any additional parts that you send may not be returned if sent together with the core) 


If you cannot send us your turbo

If your turbo are still on the car and you cannot remove them and send it to us prior, you can pay a £1250 Deposit which will be returned to you once we have received your non-damaged B58 stock turbo back.


Dyno Graphs

Air filter, JB4, and 93 octane / meth kit 481.18whp and 437.84 ft/lbs

Pure Turbos BMW B58 Stage 1 Turbo (M140i, M240i, 340i & 440i) - Dyno Nforcd UK


Fits All F-Series BMW B58

1 Series F20 F21 M140i

2 Series F22 F23 M240i

3 Series F30 F31 340i

4 Series F32 F33 & F36 440i  


To ensure the part(s) you have ordered fits your vehicle, we run a compatibility check prior to dispatch. We can do this either using your registration number(UK) or the last 7 digits of your VIN. Simply enter your car details prior to checkout. 


Manufactured by

Pure Turbos



1 year warranty.