N52 extreme high mileage atf fluid change

bimmerisalwaysbroken · 12-18-2021, 10:52 PM

Hi all so I've just picked up a 2005 E90 330I with ZF Auto transmission and I would like to do some maintenance on the car.

There are no maintenance records for the car but the transmission and engine are smooth and buttery. I've tried looking online for ATF fluid changes on high mileage N52's but all I've come up with are 100,000km guides.

Mine is currently at 190xxxkm and I would like to do a fluid change not a flush has anyone has any experience with almost 200xxxkm fluid changes?

Phil325i · 12-19-2021, 03:45 AM

See pages 30-32 of this guide:

https://www.dslreports.com/r0/downl...2b06/Lifetime Maintenance Schedule v03.13.pdf

e91Owner · 12-19-2021, 07:21 AM

Quote:

Originally Posted by bimmerisalwaysbroken

Hi all so I've just picked up a 2005 E90 330I with ZF Auto transmission and I would like to do some maintenance on the car.

There are no maintenance records for the car but the transmission and engine are smooth and buttery. I've tried looking online for ATF fluid changes on high mileage N52's but all I've come up with are 100,000km guides.

Mine is currently at 190xxxkm and I would like to do a fluid change not a flush has anyone has any experience with almost 200xxxkm fluid changes?

At 200km, that wouldn't be a problem at all. Most owners probably would have changed it at 100k miles (if at all), so 200km isn't that far off. When I did mine for the first time at 90k miles (on a 2010 ZF e60), I couldn't tell the difference in transmission performance. Shifted smooth before and after.

Brian86 · 12-19-2021, 10:40 AM

When did 199k become "extreme" :P

bimmerisalwaysbroken · 12-21-2021, 08:03 PM

Quote:

Originally Posted by e91Owner

Quote:

Originally Posted by bimmerisalwaysbroken

Hi all so I've just picked up a 2005 E90 330I with ZF Auto transmission and I would like to do some maintenance on the car.

There are no maintenance records for the car but the transmission and engine are smooth and buttery. I've tried looking online for ATF fluid changes on high mileage N52's but all I've come up with are 100,000km guides.

Mine is currently at 190xxxkm and I would like to do a fluid change not a flush has anyone has any experience with almost 200xxxkm fluid changes?

At 200km, that wouldn't be a problem at all. Most owners probably would have changed it at 100k miles (if at all), so 200km isn't that far off. When I did mine for the first time at 90k miles (on a 2010 ZF e60), I couldn't tell the difference in transmission performance. Shifted smooth before and after.

Alright I'll give it a try but now the starter has died so it's gonna be about a month away till I get a new starter installed

12-18-2021, 10:52 PM	#1
bimmerisalwaysbroken Private First Class 35 Rep 130 Posts Drives: E90 330i Join Date: Apr 2021 Location: Melbourne, Australia iTrader: (0)	N52 extreme high mileage atf fluid change Hi all so I've just picked up a 2005 E90 330I with ZF Auto transmission and I would like to do some maintenance on the car. There are no maintenance records for the car but the transmission and engine are smooth and buttery. I've tried looking online for ATF fluid changes on high mileage N52's but all I've come up with are 100,000km guides. Mine is currently at 190xxxkm and I would like to do a fluid change not a flush has anyone has any experience with almost 200xxxkm fluid changes?
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12-19-2021, 03:45 AM	#2
Phil325i Brigadier General 645 Rep 3,227 Posts Drives: E92 325i MSport Coupe Join Date: Apr 2012 Location: UK South East iTrader: (1) Garage List 2009 BMW 325i Coupe [6.00]	See pages 30-32 of this guide: https://www.dslreports.com/r0/downl...2b06/Lifetime Maintenance Schedule v03.13.pdf __________________ E92 pre-LCI 325i - Ohlins R&T; H&R spacers; M3 strut brace; Swift thrust sheets; 3 x chassis braces; diff brace; N53 V-brace; 034 subframe inserts; BMS clutch stop; BMS CDV; RE g/box mounts; Delrin shift bushes; Saikoumichi OCC; Cyba scoops; BMW Perf Exhaust; HEL s/steel brake hoses; M3 rear spoiler; Recaro Sportster CSs; M3 white dash LEDs; LED Angels; LED side repeaters; BMW Perf black grille; CSL reps; SSDD carbon diffuser; Monster Wrap black roof/clear front
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12-19-2021, 10:40 AM	#4
Brian86 Captain 665 Rep 786 Posts Drives: e36 M3, e91 325xi, N50 Xterra Join Date: Dec 2020 Location: Pittsburgh iTrader: (0)	When did 199k become "extreme" :P __________________ Sometimes a bolt is just a bolt.
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