BMW 318i Battery | 12V Lead-Acid Group 48 or 49 E30 E36

Description

About the BMW 318i Battery (12V Lead-Acid Group 48/49)

Need a replacement BMW 318i battery? Part Nests sources OEM used 12V lead-acid batteries for BMW 318i applications. The BMW 318i is BMW’s compact executive sedan positioning within the BMW 3-Series lineup – one of the historically significant compact executive sedan variants in BMW’s iconic 3-Series lineup. This listing is narrower / more specific listing than our broader BMW 318i Battery listing which covers general E30 / E36 flooded lead-acid batteries. This listing specifically covers Group 48/49 sizing with distinct year ranges – E30 1984-1991 and E36 1992-1998. Two distinct generation contexts across 318i applications – BMW 318i E30 (1984-1991 second-generation 3-Series) and BMW 318i E36 (1992-1998 third-generation 3-Series). Same underlying 318i nameplate but distinctly different generations spanning approximately 15 years of BMW 3-Series 318i production history. Battery specification per the source data – 12V lead-acid battery, Group 48/49 group size or your specific specification. IMPORTANT consumable caveat per the source data – new recommended for a battery. Batteries are consumable components with limited service life, and new battery is typically recommended over used battery for reliable service life. Used battery listing is available with consumable caveat noted. Not included: hold-down, terminals, and cables unless confirmed at order. Basic hand tools sufficient for install – work with the vehicle off and recycle the old battery at appropriate battery recycling facility. Related BMW context via our BMW 320i Battery Cable listing (BMW 3-Series across E21 classic and F30 modern generations) and broader BMW 318i Battery listing. Call (855) 634-4447 to verify 318i generation (E30 or E36) and group size by VIN before ordering.

Vehicle and Group Size Verification

What Is Included and Not Included

BMW 318i Vehicle Context (E30 Classic and E36 Compact Executive Sedan)

• BMW 318i compact executive sedan: The BMW 318i is BMW’s compact executive sedan positioning within the BMW 3-Series lineup. One of the historically significant compact executive sedan variants in BMW’s iconic 3-Series lineup during the E30 and E36 eras. Distinctive BMW positioning with rear-wheel-drive architecture, driver-focused dynamics, and premium interior treatment
• E30 318i (1984-1991): Per the source data compatibility, BMW 318i (E30) – 1984 to 1991, confirm group size by VIN. The BMW 318i E30 is the second-generation BMW 3-Series application – the classic-era 318i produced 1984-1991 in the US market. Represents BMW’s early-to-mid US-market compact executive sedan positioning during the classic BMW E30 era. Iconic classic BMW 3-Series generation
• E36 318i (1992-1998): Per the source data compatibility, BMW 318i (E36) – 1992 to 1998, confirm group size by VIN. The BMW 318i E36 is the third-generation BMW 3-Series application – the classic-era 318i produced 1992-1998 in the US market. Represents BMW’s mid-1990s compact executive sedan positioning with E36 platform architecture. Iconic classic BMW E36 generation
• Cross-generational coverage: The 318i nameplate spans approximately 15 years of BMW 3-Series production history – from the E30 second-generation (1984-1991 classic era) to the E36 third-generation (1992-1998 classic era). Distinctive BMW cross-generational 318i coverage in this listing
• BMW 3-Series historical significance: The BMW 3-Series is one of the most historically significant compact executive sedan nameplates. E30 and E36 generations represent important classic-era BMW 3-Series production with continued enthusiast interest and collector value

Battery Function, Specification, and Consumable Context

• Battery function: The 12V lead-acid battery provides the primary electrical energy storage for vehicle electrical system operation – starting current for engine cranking, electrical power supply when engine is off, and stabilization of vehicle electrical system when engine is running. Standard automotive electrical energy storage component
• 12V lead-acid specification: Per the source data compatibility, 12V lead-acid. Standard 12V automotive lead-acid battery configuration typical for classic-era BMW 318i applications. Traditional flooded lead-acid battery chemistry appropriate for classic-era vehicle applications
• Group 48/49 sizing: Per the source data group size, Group 48/49 or your spec. BCI (Battery Council International) Group Size 48 or Group Size 49 sizing designation – standard automotive battery physical sizing convention. Verify specific group size for correct battery tray fit
• Consumable caveat critical: Per the source data new vs used, new recommended for a battery. Critical consumable component consideration – batteries are consumable components with limited service life (typically 3-7 years). New battery is typically recommended over used battery for reliable service life. Used battery listing is available for cost-conscious applications but with consumable caveat noted
• Not included items: Per the source data, hold-down, terminals, and cables, unless confirmed at order. Standard scope – the battery as confirmed is provided. Additional items (battery hold-down bracket, replacement terminals if terminal replacement is required, replacement cables) are separate items – obtain / confirm separately as required
• Basic hand tools + recycle old battery: Per the source data tools note, basic hand tools; work with the vehicle off and recycle the old battery. Standard battery installation tool requirements. Environmental disposal consideration – old batteries must be recycled at appropriate battery recycling facility (auto parts stores, battery retailers commonly accept old batteries for recycling)

Related BMW / Related Battery / Related Compact Executive Listings

• BMW 320i Battery Cable: Related BMW 3-Series application (12V battery cable for BMW 320i E21 1977-1983 or F30 2013-2018) – see our BMW 320i Battery Cable listing
• BMW 318i Battery (broader listing): Related broader BMW 318i battery application (E30 / E36 flooded lead-acid batteries, broader coverage) – see our BMW 318i Battery listing
• 2018 BMW X1 Battery: Related BMW application (12V AGM battery for 2018 X1 F48) – see our 2018 BMW X1 Battery listing
• Various BMW / battery / compact executive replacement components available across our Part Nests catalog

Battery Specifications

• Type: OEM used 12V lead-acid battery for BMW 318i E30 / E36 applications
• Function: 12V lead-acid battery provides primary electrical energy storage for vehicle electrical system operation
• Configuration: 12V lead-acid, Group 48/49, E30 (1984-1991) or E36 (1992-1998) – verify at order
• What is not included: Hold-down, terminals, and cables, unless confirmed at order per the source data
• Tools required: Basic hand tools; work with the vehicle off; recycle the old battery per the source data
• Common failure modes: Sulfation, cell failure, capacity degradation, various age-related component wear. Symptoms include reduced starting capacity, voltage instability, various electrical system issues
• Consumable caveat: New recommended for a battery – batteries are consumable components with limited service life
• Testing: Terminal condition documented, case inspected per unit before shipment

Vehicle Compatibility

Why Buy From Part Nests

• OEM verified 12V lead-acid battery for BMW 318i E30 / E36 applications
• Terminal condition documented, case inspected per unit
• Support for generation verification (E30 1984-1991 or E36 1992-1998)
• Support for Group 48/49 sizing verification
• Support for critical consumable caveat (new recommended for a battery)
• Support for cross-generational BMW 318i coverage (approximately 15 years of production)
• Support for environmental battery recycling guidance
• Related to broader BMW 318i Battery and BMW battery listings
• Free shipping to all 50 states (hazmat-compliant)
• 15 day replacement warranty on component defects
• Support team familiar with BMW 3-Series 318i E30 / E36 generational lineage and battery considerations
• Call (855) 634-4447 to confirm your 318i generation and group size by VIN before ordering.