BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i) - View Single Post - golf tee mod. does it do anything really?

iminhell1 · 02-15-2019, 08:17 PM

Depending on how cold the coolant is, it might be open.
Try again with a warm car.

But on the 135i it doesn't make a whole lot of difference at idle or really revving. Under load you notice though.

02-15-2019, 08:17 PM	#2
iminhell1 C2H5OH 3915 Rep 2,144 Posts Drives: 2010 SG 135i auto Join Date: May 2015 Location: Darwin, MN iTrader: (1)	Depending on how cold the coolant is, it might be open. Try again with a warm car. But on the 135i it doesn't make a whole lot of difference at idle or really revving. Under load you notice though.
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