BMW R1100 User Manual download pdf (Page 9)

Chrome wastegate exhaust exits to the left. Two 5/16 x 18 x 3/4” Stainless Button Head

Cap screws hold the tube to the wastegate. Tighten with 3/16” Allen and 1/2” wrench.

The chrome tube vents the exhaust gases when the wastegate opens.

The wastegate is shipped with a basic spring pressure of around 8-9 psi. The pneumatic

boost controller allows you to turn up the boost to 25 psi. The two stage water injection

is set to activate at 4 and 8 psi. On pump gas and without lower compression forged

pistons we recommend the boost be held to 9 psi.

12-15 psi more than doubles the horsepower. Higher octane or heavy doses of Toluene.

BMW R1100/1150 General Turbo Instructions rbracing-rsr.com

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BMW R1100 User Manual Page 9