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Hey guys.. next problem: R36 built Dec 2009. Need to replace the motor to rear caliper, but I can't find any concrete advice to support whether it's a 6 or 12 teeth motor that I need to buy. Any help from you guys will be appreciated. I can't take off the original motor yet to check as I've F%$ rounded the screw. Thanks in advance.
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Best to spend the 5 mins to undo the 2x bolts and pop the motor off to check the spline. According to Google, the R36 should use a 12 point spline on the motor. Apparently the lower spec Passats (with different rear brakes) use a 6 point spline on the motors.
TRW make a replacement 12 point version which is Part # STA1498
https://aftermarket.zf.com/en/aftermarket-portal/our-catalog/search-by-vehicle/#/article/STA1498?languageID=4&brandID=14,22,32,35,68,126,16 1,294,8888&countryID=AUS
Automotive Superstore sell it for $111 https://automotivesuperstore.com.au/trw-sta1498
Last edited by Lucas_R; 11-12-2025, 08:51 AM.
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