More than likely your chain is slapping due to
bad tensioner or worn guides. 10W-60 won't help there, you need to address that pronto.
1998 BMW 540i 6 speed
Arctic silver, M sport suspension (euro delivery), prod. date 05/98, non VANOS
Staggered 18" style 32 OEM wheels
3.15 open differential
AFE CAI with improved heat shield
VDO oil pressure and temperature gauges in place of headlight/fog switches
Powder coated valve covers-satin black
AEA DRL module (aftermarket daytime running lights)
1997 BMW 528iA
Alpine white, premium package, prod. date 04/97, single VANOS
Staggered 17" style 32 OEM wheels
AEA DRL module
Custom made sun blinds for rear seating area
2000 Nissan Frontier Desert Runner, AKA "The Work Horse"
Direct Lift Pro Park 8
Campbell Hausfeld 28 gallon oil lubricated air compressor
Newair ACP-1400H portable air conditioner and heater
Auto Enginuity scan tool with BMW enhanced option
Actron 9135 scan tool-for quick readouts
If it is a flaccid tensioner, the chain will beat>
the Hell out of the tensioner rail, and eventually destroy the plastic insert.
Ed in San Jose. BMW CCA member since 1987 (Nr. 62319). Golden Gate Chapter. '97 540i 6 speed. Build Date 3/97. Aspensilber over Aubergine leather.