Thread: cold start
View Single Post
      12-03-2011, 12:36 AM   #24
Mike Benvo
BimmerPost Supporting Vendor

Mike Benvo's Avatar
Drives: 08 E90 M3 / 400whp Turbo 7
Join Date: Apr 2008
Location: SoCal

Posts: 4,641
iTrader: (7)

Garage List
1990 BMW 735i Turbo  [5.00]
2004 BMW M3  [0.00]
2008 BMW M3  [5.00]
Send a message via Skype™ to Mike Benvo
Originally Posted by THE TECH View Post
I'm leaving it in on mine. Love that sound!

I had it off for awhile.. Definitely makes the cold starts much more smooth..

The pump is there simply to warm the cats for emissions reasons, because the precious metals inside do not catalyze the exhaust gases (reducing emissions) until the cats reach operating temperature.

I guess leaving it on makes up for my de-catted turbo 7 series

-----| Like us on Facebook | Instagram || Tuning Information | Remote Coding |-----
----Visit us at - Emotion. Driven. | Toll Free: (888) 557-5133----
Mike Benvo is online now   United_States
Reply With Quote