5B1202 – BMW N54 Catted Downpipes
335i 2007-2010
335is 2010-2013
135i 2008-2010
1M 2011-2012
Congratulations on your purchase of the COBB Tuning N54 BMW Catted Downpieps! The following instructions will assist you through the installation process. Please read them BEFORE beginning the install to familiarize yourself with the steps and tools needed. If you feel you cannot properly perform this installation, we HIGHLY recommend you take the vehicle to a qualified and experienced automotive technician.
IMPORTANT! Installing this kit will require custom tuning or utilizing an appropriate Stage Power Package map if you have a matching mechanical configuration. Please consult with COBB or an authorized ProTuner in your area if you have any questions!
3/8" ratchet
3/8" 8mm socket
3/8" 12" extension
3/8" 6" extension
3/8" Socket Swivel
Main Installation Instruction Repository for Subaru Parts
Link to Subaru Map Notes to see what map you should be on given the parts you've added