{"id":593,"date":"2026-06-23T13:31:44","date_gmt":"2026-06-23T17:31:44","guid":{"rendered":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/1985-bmw-524td-2-4l-6-cyl-diesel-turbo-maintenance-guide\/"},"modified":"2026-06-23T13:31:44","modified_gmt":"2026-06-23T17:31:44","slug":"1985-bmw-524td-2-4l-6-cyl-diesel-turbo-maintenance-guide","status":"publish","type":"post","link":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/1985-bmw-524td-2-4l-6-cyl-diesel-turbo-maintenance-guide\/","title":{"rendered":"1985 BMW 524td Diesel Maintenance Guide: Oil, Fluids & Capacities"},"content":{"rendered":"
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\"AMSOIL
AMSOIL diesel oil guide for trucks, vans, SUVs and diesel engines<\/figcaption><\/figure>\n

What oil does a 1985 BMW 524td take?<\/h2>\n

The 1985 BMW 524td with the 2.4L M21 D24 1 diesel turbo engine requires an oil viscosity of 10W-30 for temperatures between -20 to 30\u00b0C, or 10W-40 and 10W-60 for temperatures above -20\u00b0C. For colder climates, 5W-30 or 0W-30 is recommended for -30 to 30\u00b0C, while 5W-40 and 5W-50 are suitable for temperatures above -30\u00b0C. The engine oil capacity is 6 quarts with a filter change.<\/p>\n

AMSOIL product recommendations<\/h2>\n

Based on the AMSOIL lookup data for the 1985 BMW 524td, the following products are recommended to maintain engine and component performance.<\/p>\n

Engine Oil Recommendations<\/h3>\n
\n\n\n\n\n
Product Name<\/th>\nPart Code<\/th>\n<\/tr>\n
AMSOIL Signature Series 5W-40 100% Synthetic Max-Duty Diesel Oil<\/td>\nDEOQT-EA<\/a><\/td>\n<\/tr>\n
AMSOIL 5W-40 Heavy-Duty 100% Synthetic Diesel Oil<\/td>\nADOQT-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Transmission & Differential Recommendations<\/h3>\n
\n\n\n\n\n\n\n\n
Component<\/th>\nProduct Name<\/th>\nPart Code<\/th>\n<\/tr>\n
Automatic Transmission<\/td>\nAMSOIL Signature Series Multi-Vehicle 100% Synthetic ATF<\/td>\nATFPK-EA<\/a><\/td>\n<\/tr>\n
Automatic Transmission<\/td>\nAMSOIL OE Multi-Vehicle 100% Synthetic ATF<\/td>\nOTFQT-EA<\/a><\/td>\n<\/tr>\n
Rear Differential<\/td>\nAMSOIL SEVERE GEAR\u00ae 80W-90 Synthetic Gear Lube<\/a><\/td>\nAGLPK-EA<\/a><\/td>\n<\/tr>\n
Rear Differential<\/td>\nAMSOIL SEVERE GEAR\u00ae 75W-90 Synthetic Gear Lube<\/a><\/td>\nSVGPK-EA<\/a><\/td>\n<\/tr>\n
Rear Differential<\/td>\nAMSOIL SEVERE GEAR\u00ae 75W-110 Synthetic Gear Lube<\/a><\/td>\nSVTPK-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Coolant & Brake Fluid Recommendations<\/h3>\n
\n\n\n\n\n\n
Component<\/th>\nProduct Name<\/th>\nPart Code<\/th>\n<\/tr>\n
Engine Coolant<\/td>\nAMSOIL Passenger Car & Light Truck Antifreeze & Coolant<\/td>\nANTPC1G-EA<\/a><\/td>\n<\/tr>\n
Engine Coolant<\/td>\nAMSOIL Propylene Glycol Antifreeze and Engine Coolant<\/td>\nANT1G-EA<\/a><\/td>\n<\/tr>\n
Clutch\/Brake Fluid<\/td>\nAMSOIL DOT 3 and DOT 4 100% Synthetic Brake Fluid<\/td>\nBFLVCN-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Engine Oil Specifications & Details<\/h2>\n

Proper lubrication is critical for the M21 D24 1 diesel turbo engine. Ensure you select the correct viscosity based on your operating environment.<\/p>\n

Oil Viscosity Guide<\/h3>\n
\n\n\n\n\n\n\n
Temperature Range<\/th>\nRecommended Viscosity<\/th>\n<\/tr>\n
-20 to 30\u00b0C<\/td>\n10W-30<\/td>\n<\/tr>\n
Above -20\u00b0C<\/td>\n10W-40, 10W-60<\/td>\n<\/tr>\n
-30 to 30\u00b0C<\/td>\n5W-30, 0W-30<\/td>\n<\/tr>\n
Above -30\u00b0C<\/td>\n5W-40, 5W-50<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Engine Oil Capacity & Torque Specs<\/h3>\n