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BMW E90 Sapphire Black Correction detail + Gtechniq Crystal serum light + EXO V3 - BMW 3-Series (E90 E92) Forum
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Testing Gtechniq C1 Crystal Lacquer, Crystal Serum Light & Crystal Serum Ultra: PREP & APPLICATION - YouTube
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Amazon.com: Gtechniq - CSL Crystal Serum Light - Ceramic Coating, Paint Protect, Repel Contaminants, Ultra-Durable, Slick High-Gloss, Chemical Resistant (30 milliliters) : Automotive
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Amazon.com: Gtechniq - CSL Crystal Serum Light - Ceramic Coating, Protect Your Paint, Add Gloss, Resist Swirls, Repel Contaminants, Ultra-Durable, High-Gloss, Slick Feeling, Resists Chemicals (50 milliliters) : Automotive
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