WEISTEC M156 Spark PlugsFor those who will be making over 630bhp these uniquely designed Brisk spark plugs are a must have. The extended electrode tip of the OEM spark plug will be prone to pre ignition at higher power and boost levels. Upgraded spark plugs are a must have with our Stage 2+ packages. Key Features: Higher Output for Supercharged applications Colder range for better compatibility in supercharged applications Direct replacement bolt in for M156 M159 Inexpensive

2006– GL500/GL550

which are not compatible with US models

and they already fall out under full droop with stock RSMs in place

whereas rubber can harden and crack over time

Rogue Engineering Power Pullies are CNC machined from 6061-T6

mallet or other "tools of persuasion" on the wheel spacer for installation is not recommended and immediately voids any product warranty

For E82/E9X owners with just lowering springs

Spacers that are damaged because of excessive hub contour height are not covered by Rogue Engineering's warranty policy

Convertible top shows two access holes

Optimized Shift Points

Flexible and reversible mounting and installation

BMWs current specification on M12 lug bolts is 88 ft