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BMW Z4 Forums (G29) BMW Z4 (G29) General Forum RaceChips

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      11-10-2020, 03:16 PM   #1
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United Kingdom

Drives: M40 Z4[G29] X5 30d MSport[G05]
Join Date: Oct 2017
Location: Oxfordshire, UK

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Anyone in the UK with experience of RaceChips on an M40 Z4 ? 20yrs ago I bought a similar type unit, attached to the injector sensor etc and colleagues pulled my leg that all the little box had in it was a resistor to trick the engine that it needed more fuel. Sure enough, opening the 'DO NOT OPEN' box and there sat a little resistor.

What's different about the RaceChips version ?

The performance gains on the 'GTS Black' version is impressive at +76bhp

Thoughts/comments ?
Appreciate 0
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