From Sidon River Manufacturing, LLC

Brand new CNC machined block off and delete plate for the throttle body coolant circuit on your E30 M20 engine.  This will work with M20B20, M20B23, M20B25, M20B27, M30B34, and M30B35 engines.  It will give you a crisp, clean appearance when deleting the coolant hoses to your throttle body.  Because there will be no more coolant flowing, use of an OE cork gasket is not required.    Replaces OE part numbers 13541711042 and 13541285470.

Key features:

-         Precision CNC machined from billet 6061 aluminum

-         Compatible with both M20B25 and M20B27 engines from the E30 chassis (325e and 325i)

-         100% designed and manufactured in the USA!

-         Clean, professional appearance

-         Utilizes OE mounting hardware for installation (not included)

-         Replaces OE part numbers 13541711042 and 13541285470

-         Manufacturer part number 01-003-01

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Sidonriver.com

Sidon River Manufacturing, LLC