I have been getting loan cars for all of my cars, whether I purchased from this dealer or not, you should get loan cars and entitled to since you are a customer for the full life of the car... But all dealerships act different.
Ak

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14 335i. Ferrari CX-60, 11msport 328, X5 4.8i, 08 335i Coupe, 10 C4S NIB, 06 X3 Sport, 08 550 CLS, 01 CLK 55, 04 Saab 93 forgotten, 06 Crossfire?, 96 M3, 94 968 cab, 99 C43 AMG, nice, 96 C280, 89 325is drifter, 93 190e 2.6, 95 Jetta VR6, 91 Corrado G60, 90 BMW 740il, 88 Accord Coupe Lxi, 87 Mazda 323 GT and first was a 84 Mercury Lynx Rs.