I guess Crankshaft position sensor actually provide the basic timing, camshaft position sensor is use to adjust valve timing, you won't feel difference unless you drive it hard.
99 BMW 540i 6-speed 110K Km
03 SAAB 9-5 wagon 80K Km
92 400E (Sold) 245K km
Still missing the days with the Benz, it kept me busy.