Thread: m40i downpipe
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      10-09-2019, 01:32 PM   #26
SMED
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Drives: 20 Z4 M40i & 20 X3 M40i
Join Date: Oct 2007
Location: British Columbia

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2018 BMW M550xi  [5.00]
Quote:
Originally Posted by habib86 View Post
today was a big let down .... seems that my car is a mash up of us spec and euro spec


it has the hp of the euro spec (dyno shows 334whp) and the exhaust system of the us spec


so the dp wont fit


so us spec z4 owners any 1 know a company that makes dp for the z4 m40i ?
Try RK tunes they have a down pipe for the Z4 M40i US spec. I emailed them a couple of weeks ago and they confirmed availability and price of $400. I still haven't pulled the trigger yet, as I will be parking mine for winter in the next couple of weeks.