Current maintenance/upgrades list
Prior to my ownership Koni/H&R struts/springs
18" CSL style wheels with Michelin tires
Upgraded aftermarket radio system
ZHP style shift knob
11-23 (105k miles)
Radio amplifier (aftermarket)
Front tire
Installed sport mode button, relocated convertible top button to the front console
2-5 (107k miles)
Third brake light gasket
Replaced third brake light with good used part (found it was cracked when replacing gasket)
2-24 (107k miles)
Thermostat
Pulleys and main belt Valve cover gasket (all associated o-rings/washers/gaskets replaced with new BMW parts)
Valve shim adjustment
VANOS rebuilt with Beisan Systems parts (upgraded oil pump disc, seals, sealing plate o-rings)
Beisan Systems upgraded upper timing chain guide
VANOS cam bolts, new parts installed with loctite
Coolant flushed Oil changed with Liqui Moly 10w60
Pending
Transmission fluid
Differential fluid
Brake fluid
I bought this car October 2023 from a good friend of mine who had owned it for 20 years. Originally I bought it planning to V8 swap, I am still considering it, but I also think building it as the "ultimate M roadster" would be good too. As it is equipped with the S54 engine I have had thoughts of a CSL intake, headers, exhaust, 6 speed ZF transmission and a 3.46 differential...
Shortly after the VANOS work I decided to fix the sagging exhaust. The driver's side has sagged since I bought the car and after looking, it ended up being a really simple fix - the nut for the hanger fell off, the bolt was still there so I just found a nut that fit and re-installed it. Then polished the tips a bit because I was there.
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