Throttle body

gregory20 · 06-11-2020, 11:17 AM

What is causing the build up in the engine and how do i get rid of it?

Ajolives · 06-11-2020, 11:40 AM

Throttle body cleaner, brush, q-tips, rags/paper towels, and a little patience.

Some have taken the assemblies off the engine and went to town on them

I took some rags and stuffed them underneath the butterflies one at a time. Soaked q-tips in the cleaner to get the edges and brushed the excess. You can let the excess drip down but I've heard stories of fouled O2 sensors after cleaning and not attending to the residuals.

06-11-2020, 11:17 AM	#1
gregory20 Enlisted Member 9 Rep 48 Posts Drives: 2011 e93 M3 Join Date: Oct 2013 Location: Virginia Beach, VA iTrader: (0) Garage List 2011 e93 M3 [0.00]	Throttle body What is causing the build up in the engine and how do i get rid of it? Attached Images
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06-11-2020, 11:40 AM	#2
Ajolives Major 1173 Rep 1,069 Posts Drives: E90 M3 Join Date: Mar 2019 Location: Tampa iTrader: (0) Garage List 2019 BMW M5 [0.00] 2008 BMW M3 [10.00] 2019 Audi SQ5 [0.00]	Throttle body cleaner, brush, q-tips, rags/paper towels, and a little patience. Some have taken the assemblies off the engine and went to town on them I took some rags and stuffed them underneath the butterflies one at a time. Soaked q-tips in the cleaner to get the edges and brushed the excess. You can let the excess drip down but I've heard stories of fouled O2 sensors after cleaning and not attending to the residuals.
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