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Buying a used Z4 - which engine is best?

I'm looking to buy a used BMW Z4. I would prefer a six cylinder so have ruled out the four pot turbo's My question is really which is the best engine between the 2.5 in the 23i and the 3.0 in the 30i and 35i? Which is likely to prove most reliable?

Asked on 27 April 2015 by Porscheboy1982

Answered by Honest John

Test here: www.honestjohn.co.uk/road-tests/bmw/bmw-z4-sdrive-.../ Earliert test of 3.0i Z4 coupe and Z4M here: www.honestjohn.co.uk/road-tests/bmw/bmw-z4-30i-cou.../ The main problem was the electric power steering, but it is better on the latest cars.

Tags: buying a used car petrol engines

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