Quote:
Originally Posted by Alter Peter
Basically the smaller engines have the single tip exhaust like the 30i for excample the larger engines with twin turbos have the double-sided exhaust tips like the 35i or 35is.
Complete details will you find here ---> Click to open the site
Or if you download the Z4 Brochure on this side ---> CLICK here to download
and here for the latest 2009 up for the e89 ----> Click to open
See Exhaust in table below |
Actually, not quite accurate re: the single exhaust tip on the 3.0 litre engine. My '11 e89 has a TWIN TIP exhaust, but both are on the left side of the car.
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'11 Z4 30i (retired);'11 X3 28i (retired); '15 M235i Stage 1 Dinan (recalled & crushed); '16 M235i Stage 3 Dinan (retired); '15 X3 28i (retired); '14 328i (retired), 2019 X3M40i (retired); Loaded '18 X1 (retired); Loaded '20 X3MC DG, Black/Tan Merino (retired); Loaded '23 X1 Cape York green and Red/Black interior; '23 Audi A4 Allroad Progressiv